{"id":"CVE-2026-28808","aliases":["AZL-83390","DEBIAN-CVE-2026-28808","EEF-CVE-2026-28808","EUVD-2026-19602","GHSA-3vhp-h532-mc3f","OESA-2026-2572","OESA-2026-2573","SUSE-SU-2026:1714-1","SUSE-SU-2026:2010-1","SUSE-SU-2026:21374-1","UBUNTU-CVE-2026-28808","USN-8901-1","openSUSE-SU-2026:10947-1","openSUSE-SU-2026:11559-1","openSUSE-SU-2026:20607-1"],"status":"published","title":"ScriptAlias CGI targets bypass directory auth in inets httpd (mod_auth vs mod_cgi path mismatch)","description":"Incorrect Authorization vulnerability in Erlang OTP (inets modules) allows unauthenticated access to CGI scripts protected by directory rules when served via script_alias.\n\nWhen script_alias maps a URL prefix to a directory outside DocumentRoot, mod_auth evaluates directory-based access controls against the DocumentRoot-relative path while mod_cgi executes the script at the ScriptAlias-resolved path. This path mismatch allows unauthenticated access to CGI scripts that directory rules were meant to protect.\n\nThis vulnerability is associated with program files lib/inets/src/http_server/mod_alias.erl, lib/inets/src/http_server/mod_auth.erl, and lib/inets/src/http_server/mod_cgi.erl.\n\nThis issue affects OTP from OTP 17.0 before OTP 26.2.5.19, OTP 27.3.4.10, and OTP 28.4.2, corresponding to inets from 5.10 before 9.1.0.6, 9.3.2.4, and 9.6.2. Whether OTP before OTP 17.0, corresponding to inets before 5.10, is affected is unknown.","severity":{"version":"4.0","score":8.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00566,"percentile":0.47262,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-551","CWE-863"],"published":"2026-04-07T12:28:16Z","modified":"2026-10-28T02:31:05Z","fixes":[{"ecosystem":"Azure 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16.0","package":"erlang","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"27.1.3-160000.4.1"}]}],"bundled":7}],"products":[{"vendor":"erlang","product":"erlang\\/inets"},{"vendor":"erlang","product":"erlang\\/otp"},{"vendor":"erlang","product":"otp"},{"vendor":"red hat","product":"red hat openstack platform 16.2"},{"vendor":"red hat","product":"red hat openstack platform 17.1"},{"vendor":"red hat","product":"red hat openstack platform 18.0"}],"references":[{"url":"https://github.com/erlang/otp/security/advisories/GHSA-3vhp-h532-mc3f","tags":["related","vendor-advisory","Third Party Advisory","advisory","report"]},{"url":"https://cna.erlef.org/cves/CVE-2026-28808.html","tags":["related","Mitigation","Vendor Advisory","web","report"]},{"url":"https://osv.dev/vulnerability/EEF-CVE-2026-28808","tags":["related","Patch","Third Party Advisory","web","report"]},{"url":"https://www.erlang.org/doc/system/versions.html#order-of-versions","tags":["x_version-scheme","Product","web","report"]},{"url":"https://github.com/erlang/otp/commit/07b8f441ca711f9812fad9e9115bab3c3aa92f79","tags":["related","fix","web"]},{"url":"https://github.com/erlang/otp/commit/8fc71ac6af4fbcc54103bec2983ef22e82942688","tags":["patch","Patch","fix","report"]},{"url":"https://github.com/erlang/otp/commit/9dfa0c51eac97866078e808dec2183cb7871ff7c","tags":["patch","Patch","fix","report"]},{"url":"https://access.redhat.com/security/cve/CVE-2026-28808","tags":["vdb-entry","x_refsource_REDHAT","advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2455909","tags":["issue-tracking","x_refsource_REDHAT","report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-28808.json","tags":["x_sadp-csaf-vex","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-28808","tags":["web","advisory"]},{"url":"https://github.com","tags":["web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/28xxx/CVE-2026-28808.json","tags":["advisory"]},{"url":"https://github.com/erlang/otp","tags":["package"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-28808","tags":["advisory"]},{"url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-2572","tags":["advisory"]},{"url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-2573","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-20261714-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1258663","tags":["report"]},{"url":"https://bugzilla.suse.com/1259681","tags":["report"]},{"url":"https://bugzilla.suse.com/1259682","tags":["report"]},{"url":"https://bugzilla.suse.com/1259687","tags":["report"]},{"url":"https://bugzilla.suse.com/1261728","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2026-21620","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-23941","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-23942","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-23943","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-28808","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-20262010-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1262503","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2026-32147","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-202621374-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1261726","tags":["report"]},{"url":"https://bugzilla.suse.com/1261734","tags":["report"]},{"url":"https://bugzilla.suse.com/1262288","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2026-28810","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-32144","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2026-28808","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-28808","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-8901-1","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2025-4748","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2025-26618","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2025-30211","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-21620","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-23942","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-23943","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-28810","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-32144","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-32147","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-42789","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-42790","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-42791","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-47078","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-48855","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-48856","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-48858","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-48860","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-49759","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-49760","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-53422","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-54886","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-54887","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-54891","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-55950","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-55952","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-65634","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-68956","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-74994","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-89422","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2025-4748","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-48038","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-48039","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-42789","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-42790","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-42791","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-42792","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-47078","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-48855","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-48856","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-48858","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-48860","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-49759","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-49760","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-53422","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-54886","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-54887","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-54890","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-54891","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-55737","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-55950","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-55952","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-55953","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-58227","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-59250","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-59251","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2026-28808","title":"ScriptAlias CGI targets bypass directory auth in inets httpd (mod_auth vs mod_cgi path mismatch)","description":"Incorrect Authorization vulnerability in Erlang OTP (inets modules) allows unauthenticated access to CGI scripts protected by directory rules when served via script_alias.\n\nWhen script_alias maps a URL prefix to a directory outside DocumentRoot, mod_auth evaluates directory-based access controls against the DocumentRoot-relative path while mod_cgi executes the script at the ScriptAlias-resolved path. This path mismatch allows unauthenticated access to CGI scripts that directory rules were meant to protect.\n\nThis vulnerability is associated with program files lib/inets/src/http_server/mod_alias.erl, lib/inets/src/http_server/mod_auth.erl, and lib/inets/src/http_server/mod_cgi.erl.\n\nThis issue affects OTP from OTP 17.0 before OTP 26.2.5.19, OTP 27.3.4.10, and OTP 28.4.2, corresponding to inets from 5.10 before 9.1.0.6, 9.3.2.4, and 9.6.2. Whether OTP before OTP 17.0, corresponding to inets before 5.10, is affected is unknown.","status":"published","published":"2026-04-07T12:28:16.056Z","modified":"2026-09-22T09:08:02.163Z","cvss":[{"version":"4.0","score":8.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N","level":"high","assessor":"cna"},{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"adp"}],"cwes":["CWE-863","CWE-551"],"updated_at":"2026-11-02T14:20:02.290587Z"}],"euvd":[{"id":"EUVD-2026-19602","description":"Incorrect Authorization vulnerability in Erlang OTP (inets modules) allows unauthenticated access to CGI scripts protected by directory rules when served via script_alias.\n\nWhen script_alias maps a URL prefix to a directory outside DocumentRoot, mod_auth evaluates directory-based access controls against the DocumentRoot-relative path while mod_cgi executes the script at the ScriptAlias-resolved path. This path mismatch allows unauthenticated access to CGI scripts that directory rules were meant to protect.\n\nThis vulnerability is associated with program files lib/inets/src/http_server/mod_alias.erl, lib/inets/src/http_server/mod_auth.erl, and lib/inets/src/http_server/mod_cgi.erl.\n\nThis issue affects OTP from OTP 17.0 before OTP 26.2.5.19, OTP 27.3.4.10, and OTP 28.4.2, corresponding to inets from 5.10 before 9.1.0.6, 9.3.2.4, and 9.6.2. Whether OTP before OTP 17.0, corresponding to inets before 5.10, is affected is unknown.","status":"published","published":"2026-04-07T12:28:16Z","modified":"2026-09-22T09:08:02Z","cvss":[{"version":"4.0","score":8.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T17:28:03.79222Z"}],"nvd":[{"id":"CVE-2026-28808","description":"Incorrect Authorization vulnerability in Erlang OTP (inets modules) allows unauthenticated access to CGI scripts protected by directory rules when served via script_alias.\n\nWhen script_alias maps a URL prefix to a directory outside DocumentRoot, mod_auth evaluates directory-based access controls against the DocumentRoot-relative path while mod_cgi executes the script at the ScriptAlias-resolved path. This path mismatch allows unauthenticated access to CGI scripts that directory rules were meant to protect.\n\nThis vulnerability is associated with program files lib/inets/src/http_server/mod_alias.erl, lib/inets/src/http_server/mod_auth.erl, and lib/inets/src/http_server/mod_cgi.erl.\n\nThis issue affects OTP from OTP 17.0 before OTP 26.2.5.19, OTP 27.3.4.10, and OTP 28.4.2, corresponding to inets from 5.10 before 9.1.0.6, 9.3.2.4, and 9.6.2. Whether OTP before OTP 17.0, corresponding to inets before 5.10, is affected is unknown.","status":"published","published":"2026-04-07T13:16:46.32Z","modified":"2026-10-26T22:10:00.163Z","cvss":[{"version":"4.0","score":8.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-863","CWE-551"],"updated_at":"2026-11-02T14:12:13.1424Z"}],"osv":[{"id":"CVE-2026-28808","title":"ScriptAlias CGI targets bypass directory auth in inets httpd (mod_auth vs mod_cgi path mismatch)","description":"Incorrect Authorization vulnerability in Erlang OTP (inets modules) allows unauthenticated access to CGI scripts protected by directory rules when served via script_alias.\n\nWhen script_alias maps a URL prefix to a directory outside DocumentRoot, mod_auth evaluates directory-based access controls against the DocumentRoot-relative path while mod_cgi executes the script at the ScriptAlias-resolved path. This path mismatch allows unauthenticated access to CGI scripts that directory rules were meant to protect.\n\nThis vulnerability is associated with program files lib/inets/src/http_server/mod_alias.erl, lib/inets/src/http_server/mod_auth.erl, and lib/inets/src/http_server/mod_cgi.erl.\n\nThis issue affects OTP from OTP 17.0 before OTP 26.2.5.19, OTP 27.3.4.10, and OTP 28.4.2, corresponding to inets from 5.10 before 9.1.0.6, 9.3.2.4, and 9.6.2. Whether OTP before OTP 17.0, corresponding to inets before 5.10, is affected is unknown.","status":"published","published":"2026-04-07T12:28:16.056Z","modified":"2026-10-28T02:31:05.254854285Z","cvss":[{"version":"4.0","score":8.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T15:45:00.530889Z"},{"id":"DEBIAN-CVE-2026-28808","description":"Incorrect Authorization vulnerability in Erlang OTP (inets modules) allows unauthenticated access to CGI scripts protected by directory rules when served via script_alias.  When script_alias maps a URL prefix to a directory outside DocumentRoot, mod_auth evaluates directory-based access controls against the DocumentRoot-relative path while mod_cgi executes the script at the ScriptAlias-resolved path. This path mismatch allows unauthenticated access to CGI scripts that directory rules were meant to protect.  This vulnerability is associated with program files lib/inets/src/http_server/mod_alias.erl, lib/inets/src/http_server/mod_auth.erl, and lib/inets/src/http_server/mod_cgi.erl.  This issue affects OTP from OTP 17.0 before OTP 26.2.5.19, OTP 27.3.4.10, and OTP 28.4.2, corresponding to inets from 5.10 before 9.1.0.6, 9.3.2.4, and 9.6.2. Whether OTP before OTP 17.0, corresponding to inets before 5.10, is affected is unknown.","status":"published","published":"2026-04-07T13:16:46.32Z","modified":"2026-10-27T10:00:32.974650342Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:45:53.877573Z"},{"id":"EEF-CVE-2026-28808","title":"ScriptAlias CGI targets bypass directory auth in inets httpd (mod_auth vs mod_cgi path mismatch)","description":"## Summary\n\nIncorrect Authorization vulnerability in Erlang OTP (inets modules) allows unauthenticated access to CGI scripts protected by `directory` rules when served via `script_alias`.\n\nWhen `script_alias` maps a URL prefix to a directory outside `DocumentRoot`, `mod_auth` evaluates `directory`-based access controls against the `DocumentRoot`-relative path while `mod_cgi` executes the script at the `ScriptAlias`-resolved path. This path mismatch allows unauthenticated access to CGI scripts that `directory` rules were meant to protect.\n\nThis vulnerability is associated with program files `lib/inets/src/http_server/mod_alias.erl`, `lib/inets/src/http_server/mod_auth.erl`, and `lib/inets/src/http_server/mod_cgi.erl`.\n\nThis issue affects OTP from OTP 17.0 before OTP 26.2.5.19, OTP 27.3.4.10, and OTP 28.4.2, corresponding to inets from 5.10 before 9.1.0.6, 9.3.2.4, and 9.6.2. Whether OTP before OTP 17.0, corresponding to inets before 5.10, is affected is unknown.\n\n## Workarounds\n\n* Move CGI scripts inside `DocumentRoot` and use `alias` instead of `script_alias` to ensure `mod_auth` resolves the correct path.\n* Apply URL-based access controls at a reverse proxy layer to block unauthenticated access to the `script_alias` URL prefix.\n* Remove `mod_cgi` from the httpd modules chain if CGI functionality is not required.\n\n## Configurations\n\nThe inets httpd server must use `script_alias` to map a URL prefix to a CGI directory, combined with `directory`-based access controls (e.g., `mod_auth`) protecting the `script_alias` target path. The vulnerability applies whenever the `script_alias` target path differs from `DocumentRoot` + URL prefix.","status":"published","published":"2026-04-07T12:28:16.056Z","modified":"2026-09-08T13:45:04.220246044Z","cvss":[{"version":"4.0","score":8.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T15:46:33.047032Z"},{"id":"OESA-2026-2572","title":"erlang security update","description":"Erlang is a general-purpose programming language and runtime environment. Erlang has built-in support for concurrency, distribution and fault tolerance. Erlang is used in several large telecommunication systems from Ericsson.\r\n\r\nSecurity Fix(es):\n\nIncorrect Authorization vulnerability in Erlang OTP (inets modules) allows unauthenticated access to CGI scripts protected by directory rules when served via script_alias.\n\nWhen script_alias maps a URL prefix to a directory outside DocumentRoot, mod_auth evaluates directory-based access controls against the DocumentRoot-relative path while mod_cgi executes the script at the ScriptAlias-resolved path. This path mismatch allows unauthenticated access to CGI scripts that directory rules were meant to protect.\n\nThis vulnerability is associated with program files lib/inets/src/http_server/mod_alias.erl, lib/inets/src/http_server/mod_auth.erl, and lib/inets/src/http_server/mod_cgi.erl.\n\nThis issue affects OTP from OTP 17.0 until OTP 28.4.2, 27.3.4.10 and 26.2.5.19 corresponding to inets from 5.10 until 9.6.2, 9.3.2.4 and 9.1.0.6.(CVE-2026-28808)","status":"published","published":"2026-06-05T11:11:30Z","modified":"2026-08-18T01:20:02.773023518Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:52:46.449097Z"},{"id":"OESA-2026-2573","title":"erlang security update","description":"Erlang is a general-purpose programming language and runtime environment. Erlang has built-in support for concurrency, distribution and fault tolerance. Erlang is used in several large telecommunication systems from Ericsson.\r\n\r\nSecurity Fix(es):\n\nIncorrect Authorization vulnerability in Erlang OTP (inets modules) allows unauthenticated access to CGI scripts protected by directory rules when served via script_alias.\n\nWhen script_alias maps a URL prefix to a directory outside DocumentRoot, mod_auth evaluates directory-based access controls against the DocumentRoot-relative path while mod_cgi executes the script at the ScriptAlias-resolved path. This path mismatch allows unauthenticated access to CGI scripts that directory rules were meant to protect.\n\nThis vulnerability is associated with program files lib/inets/src/http_server/mod_alias.erl, lib/inets/src/http_server/mod_auth.erl, and lib/inets/src/http_server/mod_cgi.erl.\n\nThis issue affects OTP from OTP 17.0 until OTP 28.4.2, 27.3.4.10 and 26.2.5.19 corresponding to inets from 5.10 until 9.6.2, 9.3.2.4 and 9.1.0.6.(CVE-2026-28808)","status":"published","published":"2026-06-05T11:11:30Z","modified":"2026-08-18T01:20:02.684616354Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:52:46.449097Z"},{"id":"UBUNTU-CVE-2026-28808","description":"Incorrect Authorization vulnerability in Erlang OTP (inets modules) allows unauthenticated access to CGI scripts protected by directory rules when served via script_alias. When script_alias maps a URL prefix to a directory outside DocumentRoot, mod_auth evaluates directory-based access controls against the DocumentRoot-relative path while mod_cgi executes the script at the ScriptAlias-resolved path. This path mismatch allows unauthenticated access to CGI scripts that directory rules were meant to protect. This vulnerability is associated with program files lib/inets/src/http_server/mod_alias.erl, lib/inets/src/http_server/mod_auth.erl, and lib/inets/src/http_server/mod_cgi.erl. This issue affects OTP from OTP 17.0 before OTP 26.2.5.19, OTP 27.3.4.10, and OTP 28.4.2, corresponding to inets from 5.10 before 9.1.0.6, 9.3.2.4, and 9.6.2. Whether OTP before OTP 17.0, corresponding to inets before 5.10, is affected is unknown.","status":"published","published":"2026-04-07T13:16:00Z","modified":"2026-10-08T19:47:09.734729821Z","cvss":[{"version":"4.0","score":8.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N","level":"high"},{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T16:56:08.726452Z"},{"id":"AZL-83390","title":"CVE-2026-28808 affecting package erlang for versions less than 26.2.5.19-1","description":"Incorrect Authorization vulnerability in Erlang OTP (inets modules) allows unauthenticated access to CGI scripts protected by directory rules when served via script_alias.\n\nWhen script_alias maps a URL prefix to a directory outside DocumentRoot, mod_auth evaluates directory-based access controls against the DocumentRoot-relative path while mod_cgi executes the script at the ScriptAlias-resolved path. This path mismatch allows unauthenticated access to CGI scripts that directory rules were meant to protect.\n\nThis vulnerability is associated with program files lib/inets/src/http_server/mod_alias.erl, lib/inets/src/http_server/mod_auth.erl, and lib/inets/src/http_server/mod_cgi.erl.\n\nThis issue affects OTP from OTP 17.0 before OTP 26.2.5.19, OTP 27.3.4.10, and OTP 28.4.2, corresponding to inets from 5.10 before 9.1.0.6, 9.3.2.4, and 9.6.2. Whether OTP before OTP 17.0, corresponding to inets before 5.10, is affected is unknown.","status":"published","published":"2026-04-07T13:16:46Z","modified":"2026-09-09T14:17:53.312716091Z","updated_at":"2026-11-02T15:28:10.335477Z"},{"id":"openSUSE-SU-2026:10947-1","title":"erlang27-27.1.3-2.1 on GA media","description":"These are all security issues fixed in the erlang27-27.1.3-2.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-06-03T00:00:00Z","modified":"2026-06-04T09:00:08.489232736Z","updated_at":"2026-11-02T16:58:38.95195Z"},{"id":"openSUSE-SU-2026:11559-1","title":"erlang-28.5.0.4-1.1 on GA media","description":"These are all security issues fixed in the erlang-28.5.0.4-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-08-20T00:00:00Z","modified":"2026-08-21T09:15:09.246696292Z","updated_at":"2026-11-02T16:58:39.516824Z"},{"id":"openSUSE-SU-2026:20607-1","title":"Security update for erlang","description":"This update for erlang fixes the following issues:\n\nSecurity issues fixed:\n\n- CVE-2026-21620: improper isolation and compartmentalization can lead to TFTP relative path traversal and remote\n  arbitrary reads/writes (bsc#1258663).\n- CVE-2026-23941: improper handling of duplicate Content-Length headers in Erlang OTP can lead to HTTP request\n  smuggling (bsc#1259687).\n- CVE-2026-23942: improper limitation of a pathname to a restricted directory in the SFTP server can lead to path\n  traversal (bsc#1259681).\n- CVE-2026-23943: improper handling of highly compressed data in Erlang OTP ssh can lead to denial of service\n  (bsc#1259682).\n- CVE-2026-28808: incorrect authorization can lead to unauthenticated access to protected CGI scripts (bsc#1261728).\n- CVE-2026-28810: predictable DNS transaction IDs can lead to DNS cache poisoning (bsc#1261726).\n- CVE-2026-32144: missing signature verification can lead to OCSP authorization bypass and information disclosure\n  (bsc#1261734).\n\nOther updates and bugfixes:\n\n- jinterface: allow to build determenistic OtpErlang.jar (bsc#1262288).\n","status":"published","published":"2026-04-22T10:52:20Z","modified":"2026-04-24T08:16:29.068648Z","updated_at":"2026-11-02T16:58:41.463445Z"},{"id":"SUSE-SU-2026:1714-1","title":"Security update for erlang","description":"This update for erlang fixes the following issues:\n\n- CVE-2026-21620: remote arbitrary read/write via TFTP relative path traversal (bsc#1258663).\n- CVE-2026-23941: HTTP Request Smuggling in Erlang OTP (bsc#1259687).\n- CVE-2026-23942: path traversal vulnerability in Erlang OTP (bsc#1259681).\n- CVE-2026-23943: denial of service due to improper handling of highly compressed data in Erlang OTP ssh (bsc#1259682).\n- CVE-2026-28808: incorrect authorization can lead to unauthenticated access to protected CGI scripts (bsc#1261728).\n","status":"published","published":"2026-05-06T12:08:10Z","modified":"2026-05-07T08:46:27.139005Z","updated_at":"2026-11-02T15:54:01.610851Z"},{"id":"SUSE-SU-2026:2010-1","title":"Security update for erlang26","description":"This update for erlang26 fixes the following issues\n\nSecurity issues:\n\n- CVE-2026-21620: remote arbitrary read/write via TFTP relative path traversal (bsc#1258663).\n- CVE-2026-23941: HTTP Request Smuggling in Erlang OTP (bsc#1259687).\n- CVE-2026-23942: path traversal vulnerability in Erlang OTP (bsc#1259681).\n- CVE-2026-23943: denial of service due to improper handling of highly compressed data in Erlang OTP ssh (bsc#1259682).\n- CVE-2026-28808: incorrect authorization can lead to unauthenticated access to protected CGI scripts (bsc#1261728).\n- CVE-2026-32147: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in SFTP chroot\n  (bsc#1262503).\n\nNon security issue:\n\n- Fixes for FIPS mode (jsc#PED-15166.\n","status":"published","published":"2026-05-19T11:56:05Z","modified":"2026-05-20T08:00:18.312055064Z","updated_at":"2026-11-02T15:54:01.610851Z"},{"id":"SUSE-SU-2026:21374-1","title":"Security update for erlang","description":"This update for erlang fixes the following issues:\n\nSecurity issues fixed:\n\n- CVE-2026-21620: improper isolation and compartmentalization can lead to TFTP relative path traversal and remote\n  arbitrary reads/writes (bsc#1258663).\n- CVE-2026-23941: improper handling of duplicate Content-Length headers in Erlang OTP can lead to HTTP request\n  smuggling (bsc#1259687).\n- CVE-2026-23942: improper limitation of a pathname to a restricted directory in the SFTP server can lead to path\n  traversal (bsc#1259681).\n- CVE-2026-23943: improper handling of highly compressed data in Erlang OTP ssh can lead to denial of service\n  (bsc#1259682).\n- CVE-2026-28808: incorrect authorization can lead to unauthenticated access to protected CGI scripts (bsc#1261728).\n- CVE-2026-28810: predictable DNS transaction IDs can lead to DNS cache poisoning (bsc#1261726).\n- CVE-2026-32144: missing signature verification can lead to OCSP authorization bypass and information disclosure\n  (bsc#1261734).\n\nOther updates and bugfixes:\n\n- jinterface: allow to build determenistic OtpErlang.jar (bsc#1262288).\n","status":"published","published":"2026-04-22T11:46:09Z","modified":"2026-04-29T18:23:58.002335Z","updated_at":"2026-11-02T15:54:02.312556Z"},{"id":"USN-8901-1","title":"erlang vulnerabilities","description":"Wander Nauta discovered that Erlang incorrectly handled absolute paths when\nextracting zip archives. An attacker could possibly use this issue to write\narbitrary files outside of the intended directory. This issue only affected\nUbuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS. (CVE-2025-4748)\n\nIt was discovered that the Erlang SFTP server did not properly limit the\nsize of packets. A remote attacker could possibly use this issue to cause\nErlang to use excessive resources, leading to a denial of service. This\nissue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, and\nUbuntu 18.04 LTS. (CVE-2025-26618)\n\nIt was discovered that the Erlang SSH server did not properly limit the\nlength of algorithm names in key exchange messages. A remote attacker could\npossibly use this issue to cause Erlang to use excessive resources, leading\nto a denial of service. This issue only affected Ubuntu 14.04 LTS,\nUbuntu 16.04 LTS, and Ubuntu 18.04 LTS. (CVE-2025-30211)\n\nIt was discovered that the Erlang TFTP server incorrectly handled certain\nfile paths. A remote attacker could possibly use this issue to access files\noutside of the intended directory. (CVE-2026-21620)\n\nIt was discovered that the Erlang SFTP server incorrectly validated paths\nagainst the configured root directory. An authenticated user could possibly\nuse this issue to access files outside of the root directory.\n(CVE-2026-23942)\n\nIt was discovered that the Erlang SSH server enabled zlib compression by\ndefault and did not limit the size of decompressed data. A remote attacker\ncould possibly use this issue to cause Erlang to use excessive resources,\nleading to a denial of service. (CVE-2026-23943)\n\nIt was discovered that the Erlang HTTP server incorrectly applied directory\naccess controls to CGI scripts served via script aliases. A remote attacker\ncould possibly use this issue to bypass authentication and access protected\nCGI scripts. (CVE-2026-28808)\n\nIt was discovered that the Erlang DNS resolver used predictable transaction\nIDs and did not randomize source ports. A remote attacker could possibly\nuse this issue to perform DNS cache poisoning attacks. This issue only\naffected Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, and Ubuntu 26.04 LTS.\n(CVE-2026-28810)\n\nIt was discovered that Erlang did not verify the signatures of designated\nOCSP responder certificates. A remote attacker could possibly use this\nissue to forge OCSP responses and bypass certificate revocation checks.\nThis issue only affected Ubuntu 26.04 LTS. (CVE-2026-32144)\n\nIt was discovered that the Erlang SFTP server incorrectly handled file\nattribute changes on open file handles. An authenticated user could\npossibly use this issue to modify the attributes of files outside of the\nroot directory. (CVE-2026-32147)\n\nIt was discovered that Erlang incorrectly allowed non-CA certificates to\nact as intermediate certificate issuers. A remote attacker could possibly\nuse this issue to forge certificate chains. (CVE-2026-42789)\n\nIt was discovered that Erlang incorrectly handled DNS name constraints\nduring hostname verification. A remote attacker could possibly use this\nissue to bypass certificate validation. This issue only affected\nUbuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, and\nUbuntu 26.04 LTS. (CVE-2026-42790)\n\nIt was discovered that Erlang did not check the validity period of OCSP\nresponder certificates. A remote attacker could possibly use this issue to\nforge OCSP responses using an expired responder certificate. This issue\nonly affected Ubuntu 26.04 LTS. (CVE-2026-42791)\n\nIt was discovered that Erlang incorrectly handled relative paths when\nextracting zip archives. An attacker could possibly use this issue to write\narbitrary files outside of the intended directory. This issue only affected\nUbuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, and\nUbuntu 26.04 LTS. (CVE-2026-47078)\n\nIt was discovered that the Erlang SFTP server exposed absolute paths when\nreading symbolic links. An authenticated user could possibly use this issue\nto obtain sensitive information. (CVE-2026-48855)\n\nIt was discovered that the Erlang HTTP client forwarded authorization\nheaders on cross-origin redirects. A malicious HTTP server could possibly\nuse this issue to obtain sensitive information. (CVE-2026-48856)\n\nIt was discovered that the Erlang FTP client did not validate the IP\naddress in passive mode responses. A malicious FTP server could possibly\nuse this issue to perform server-side request forgery attacks.\n(CVE-2026-48858)\n\nIt was discovered that Erlang checked the local address instead of the peer\naddress when enforcing the allowlist for distribution over TLS. A remote\nattacker could possibly use this issue to bypass access restrictions. This\nissue only affected Ubuntu 26.04 LTS. (CVE-2026-48860)\n\nIt was discovered that Erlang incorrectly handled certain SCTP ERROR\nchunks, leading to a buffer overflow. A remote attacker could possibly use\nthis issue to cause Erlang to crash, resulting in a denial of service.\n(CVE-2026-49759)\n\nIt was discovered that the Erlang erl_interface library incorrectly handled\nprinting very large integers, leading to a buffer overflow. An attacker\ncould possibly use this issue to cause Erlang to crash or execute arbitrary\ncode. (CVE-2026-49760)\n\nIt was discovered that the Erlang SFTP server incorrectly handled certain\npath resolution requests. An authenticated user could possibly use this\nissue to determine the existence of files outside of the root directory.\n(CVE-2026-53422)\n\nIt was discovered that the Erlang SFTP server incorrectly handled extended\nchannel data, leading to an infinite loop. An authenticated user could\npossibly use this issue to cause a denial of service. (CVE-2026-54886)\n\nIt was discovered that the Erlang DTLS server used a predictable cookie\nsecret on startup. A remote attacker could possibly use this issue to\nbypass source address verification. This issue only affected\nUbuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, and\nUbuntu 26.04 LTS. (CVE-2026-54887)\n\nIt was discovered that Erlang TLS clients incorrectly accepted application\ndata before the handshake was completed. A remote attacker could possibly\nuse this issue to inject arbitrary data into TLS connections.\n(CVE-2026-54891)\n\nIt was discovered that the Erlang DTLS server contained a race condition\nwhen handling rapid client reconnections. A remote attacker could possibly\nuse this issue to cause Erlang to crash, resulting in a denial of service.\nThis issue only affected Ubuntu 24.04 LTS and Ubuntu 26.04 LTS.\n(CVE-2026-55950)\n\nIt was discovered that Erlang did not properly validate TLS 1.3 pre-shared\nkey extensions. A remote attacker could possibly use this issue to cause\nErlang to crash, resulting in a denial of service. This issue only affected\nUbuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, and Ubuntu 26.04 LTS.\n(CVE-2026-55952)\n\nIt was discovered that the Erlang ASN.1 decoder incorrectly handled certain\nobject identifiers. A remote attacker could possibly use this issue to\ncause Erlang to use excessive resources, leading to a denial of service.\n(CVE-2026-65634)\n\nIt was discovered that the Erlang SSH server did not properly limit the\nnumber of open channels. An authenticated user could possibly use this\nissue to cause Erlang to use excessive resources, leading to a denial of\nservice. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS,\nUbuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, and Ubuntu 26.04 LTS.\n(CVE-2026-68956)\n\nIt was discovered that the Erlang HTTP server incorrectly shared users and\ngroups between directories when using dets or mnesia authentication\nbackends. A remote attacker could possibly use this issue to bypass\nauthentication and access protected directories. (CVE-2026-74994)\n\nIt was discovered that Erlang TLS clients incorrectly accepted unsolicited\nTLS 1.3 pre-shared keys from servers. A remote attacker could possibly use\nthis issue to impersonate servers. This issue only affected\nUbuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, and Ubuntu 26.04 LTS.\n(CVE-2026-89422)","status":"published","published":"2026-10-08T12:01:56Z","modified":"2026-10-08T19:58:53.589918012Z","updated_at":"2026-11-02T16:58:26.907654Z"}]}}