{"id":"CVE-2026-59681","aliases":["EUVD-2026-69001","GHSA-hhmf-6c6g-6xc3","SUSE-SU-2026:3893-1","SUSE-SU-2026:3894-1","SUSE-SU-2026:3895-1","SUSE-SU-2026:3901-1","SUSE-SU-2026:3914-1","openSUSE-SU-2026:11938-1"],"status":"published","title":"yast2-auth-client: OS command injection via unsanitized Organizational Unit / dnsHostName in AD join","description":"A OS command injection vulnerability in yast2-auth-client allows an attacker who controls Active Directory configuration values to execute arbitrary commands as root on the configured host.\n Auth::AuthConf in src/lib/auth/authconf.rb assembles the Samba net ads join, net ads lookup -S and net ads testjoin invocations by interpolating configuration values into a single command string and passing that string to Open3.popen2 / Open3.capture2, which causes Ruby to run it through /bin/sh. The Organizational Unit (ou), dnshostname, AD user name and AD domain name values are neither validated nor shell-quoted.","severity":{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.01484,"percentile":0.74329,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-78"],"published":"2026-08-31T14:55:18Z","modified":"2026-10-01T11:15:06Z","fixes":[{"ecosystem":"SUSE:Linux Enterprise Server 12 SP5-LTSS","package":"yast2-auth-client","fixed_in":["3.3.22-3.15.1"],"sources":["osv"]},{"ecosystem":"SUSE:Linux Enterprise Server LTSS Extended Security 12 SP5","package":"yast2-auth-client","fixed_in":["3.3.22-3.15.1"],"sources":["osv"]},{"ecosystem":"SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS","package":"yast2-auth-client","fixed_in":["4.4.6-150400.3.19.1"],"sources":["osv"]},{"ecosystem":"SUSE:Linux Enterprise High Performance Computing 15 SP4-LTSS","package":"yast2-auth-client","fixed_in":["4.4.6-150400.3.19.1"],"sources":["osv"]},{"ecosystem":"SUSE:Linux Enterprise Server 15 SP4-LTSS","package":"yast2-auth-client","fixed_in":["4.4.6-150400.3.19.1"],"sources":["osv"]},{"ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 15 SP4","package":"yast2-auth-client","fixed_in":["4.4.6-150400.3.19.1"],"sources":["osv"]},{"ecosystem":"SUSE:Linux Enterprise High Performance Computing 15 SP5-ESPOS","package":"yast2-auth-client","fixed_in":["4.5.5-150500.3.9.1"],"sources":["osv"]},{"ecosystem":"SUSE:Linux Enterprise High Performance Computing 15 SP5-LTSS","package":"yast2-auth-client","fixed_in":["4.5.5-150500.3.9.1"],"sources":["osv"]},{"ecosystem":"SUSE:Linux Enterprise Server 15 SP5-LTSS","package":"yast2-auth-client","fixed_in":["4.5.5-150500.3.9.1"],"sources":["osv"]},{"ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 15 SP5","package":"yast2-auth-client","fixed_in":["4.5.5-150500.3.9.1"],"sources":["osv"]},{"ecosystem":"SUSE:Linux Enterprise Server 15 SP6-LTSS","package":"yast2-auth-client","fixed_in":["4.6.3-150600.3.12.1"],"sources":["osv"]},{"ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 15 SP6","package":"yast2-auth-client","fixed_in":["4.6.3-150600.3.12.1"],"sources":["osv"]},{"ecosystem":"SUSE:Linux Enterprise Module for Basesystem 15 SP7","package":"yast2-auth-client","fixed_in":["4.7.1-150700.3.9.1"],"sources":["osv"]},{"ecosystem":"openSUSE:Tumbleweed","package":"yast2-auth-client","fixed_in":["5.0.5-1.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 12 SP5-LTSS","package":"yast2-auth-client","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.3.22-3.15.1"}]}]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server LTSS Extended Security 12 SP5","package":"yast2-auth-client","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.3.22-3.15.1"}]}]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS","package":"yast2-auth-client","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4.6-150400.3.19.1"}]}]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise High Performance Computing 15 SP4-LTSS","package":"yast2-auth-client","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4.6-150400.3.19.1"}]}]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 15 SP4-LTSS","package":"yast2-auth-client","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4.6-150400.3.19.1"}]}]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 15 SP4","package":"yast2-auth-client","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4.6-150400.3.19.1"}]}]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise High Performance Computing 15 SP5-ESPOS","package":"yast2-auth-client","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.5.5-150500.3.9.1"}]}]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise High Performance Computing 15 SP5-LTSS","package":"yast2-auth-client","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.5.5-150500.3.9.1"}]}]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 15 SP5-LTSS","package":"yast2-auth-client","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.5.5-150500.3.9.1"}]}]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 15 SP5","package":"yast2-auth-client","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.5.5-150500.3.9.1"}]}]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 15 SP6-LTSS","package":"yast2-auth-client","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.6.3-150600.3.12.1"}]}]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 15 SP6","package":"yast2-auth-client","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.6.3-150600.3.12.1"}]}]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Module for Basesystem 15 SP7","package":"yast2-auth-client","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.7.1-150700.3.9.1"}]}]},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"yast2-auth-client","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.0.5-1.1"}]}]}],"products":[{"vendor":"suse","product":"yast2-auth-client"}],"references":[{"url":"https://bugzilla.suse.com/show_bug.cgi?id=1272775","tags":["issue-tracking"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-59681"},{"url":"https://github.com/advisories/GHSA-hhmf-6c6g-6xc3"},{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-20263893-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1272775","tags":["report"]},{"url":"https://bugzilla.suse.com/1274806","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2026-59681","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-20263894-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1274612","tags":["report"]},{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-20263895-1/","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-20263901-1/","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-20263914-1/","tags":["advisory"]},{"url":"","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-59681","title":"yast2-auth-client: OS command injection via unsanitized Organizational Unit / dnsHostName in AD join","description":"A OS command injection vulnerability in yast2-auth-client allows an attacker who controls Active Directory configuration values to execute arbitrary commands as root on the configured host.\n Auth::AuthConf in src/lib/auth/authconf.rb assembles the Samba net ads join, net ads lookup -S and net ads testjoin invocations by interpolating configuration values into a single command string and passing that string to Open3.popen2 / Open3.capture2, which causes Ruby to run it through /bin/sh. The Organizational Unit (ou), dnshostname, AD user name and AD domain name values are neither validated nor shell-quoted.","status":"published","published":"2026-09-01T09:38:15.527Z","modified":"2026-09-02T03:55:32.811Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:19:58.944663Z"}],"euvd":[{"id":"EUVD-2026-69001","description":"A OS command injection vulnerability in yast2-auth-client allows an attacker who controls Active Directory configuration values to execute arbitrary commands as root on the configured host.\n Auth::AuthConf in src/lib/auth/authconf.rb assembles the Samba net ads join, net ads lookup -S and net ads testjoin invocations by interpolating configuration values into a single command string and passing that string to Open3.popen2 / Open3.capture2, which causes Ruby to run it through /bin/sh. The Organizational Unit (ou), dnshostname, AD user name and AD domain name values are neither validated nor shell-quoted.","status":"published","published":"2026-09-01T09:38:15Z","modified":"2026-09-02T03:55:32Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T18:01:16.444637Z"}],"ghsa":[{"id":"GHSA-hhmf-6c6g-6xc3","title":"A OS command injection vulnerability in yast2-auth-client allows an attacker who controls Active...","description":"A OS command injection vulnerability in yast2-auth-client allows an attacker who controls Active Directory configuration values to execute arbitrary commands as root on the configured host.\n Auth::AuthConf in src/lib/auth/authconf.rb assembles the Samba net ads join, net ads lookup -S and net ads testjoin invocations by interpolating configuration values into a single command string and passing that string to Open3.popen2 / Open3.capture2, which causes Ruby to run it through /bin/sh. The Organizational Unit (ou), dnshostname, AD user name and AD domain name values are neither validated nor shell-quoted.","status":"published","published":"2026-09-01T12:31:48Z","modified":"2026-09-01T12:31:48Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/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"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T15:11:12.60039Z"}],"nvd":[{"id":"CVE-2026-59681","description":"A OS command injection vulnerability in yast2-auth-client allows an attacker who controls Active Directory configuration values to execute arbitrary commands as root on the configured host.\n Auth::AuthConf in src/lib/auth/authconf.rb assembles the Samba net ads join, net ads lookup -S and net ads testjoin invocations by interpolating configuration values into a single command string and passing that string to Open3.popen2 / Open3.capture2, which causes Ruby to run it through /bin/sh. The Organizational Unit (ou), dnshostname, AD user name and AD domain name values are neither validated nor shell-quoted.","status":"published","published":"2026-09-01T10:17:13.3Z","modified":"2026-09-02T04:18:00.19Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/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":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:12:43.04945Z"}],"osv":[{"id":"openSUSE-SU-2026:11938-1","title":"yast2-auth-client-5.0.5-1.1 on GA media","description":"These are all security issues fixed in the yast2-auth-client-5.0.5-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-09-30T00:00:00Z","modified":"2026-10-01T11:15:06.050035534Z","updated_at":"2026-11-02T16:58:40.245664Z"},{"id":"SUSE-SU-2026:3893-1","title":"Security update for yast2-auth-client","description":"This update for yast2-auth-client fixes the following issue:\n\nUpdate to version 3.3.22.\n\n- CVE-2026-59681: OS command injection via unsanitized Organizational Unit/dnsHostName in AD join (AutoYaST-reachable)\n  (bsc#1272775).\n","status":"published","published":"2026-08-31T14:55:18Z","modified":"2026-09-10T18:23:17.160726337Z","updated_at":"2026-11-02T15:54:05.392906Z"},{"id":"SUSE-SU-2026:3894-1","title":"Security update for yast2-auth-client","description":"This update for yast2-auth-client fixes the following issue:\n\nUpdate to version 4.4.6.\n\n- CVE-2026-59681: OS command injection via unsanitized Organizational Unit/dnsHostName in AD join (AutoYaST-reachable)\n  (bsc#1272775).\n","status":"published","published":"2026-08-31T14:56:50Z","modified":"2026-09-10T18:23:17.16194846Z","updated_at":"2026-11-02T15:54:05.392906Z"},{"id":"SUSE-SU-2026:3895-1","title":"Security update for yast2-auth-client","description":"This update for yast2-auth-client fixes the following issue:\n\nUpdate to version 4.5.5.\n\n- CVE-2026-59681: OS command injection via unsanitized Organizational Unit/dnsHostName in AD join (AutoYaST-reachable)\n  (bsc#1272775).\n","status":"published","published":"2026-08-31T14:58:07Z","modified":"2026-09-10T18:23:17.253202135Z","updated_at":"2026-11-02T15:54:05.392906Z"},{"id":"SUSE-SU-2026:3901-1","title":"Security update for yast2-auth-client","description":"This update for yast2-auth-client fixes the following issue:\n\nUpdate to version 4.6.3.\n\n- CVE-2026-59681: OS command injection via unsanitized Organizational Unit/dnsHostName in AD join (AutoYaST-reachable)\n  (bsc#1272775).\n","status":"published","published":"2026-08-31T15:11:29Z","modified":"2026-09-10T18:23:20.625465697Z","updated_at":"2026-11-02T15:54:05.392906Z"},{"id":"SUSE-SU-2026:3914-1","title":"Security update for yast2-auth-client","description":"This update for yast2-auth-client fixes the following issue:\n\nUpdate to version 4.7.1.\n\n- CVE-2026-59681: OS command injection via unsanitized Organizational Unit/dnsHostName in AD join (AutoYaST-reachable)\n  (bsc#1272775).\n","status":"published","published":"2026-09-01T14:56:54Z","modified":"2026-09-10T18:23:17.467162806Z","updated_at":"2026-11-02T15:54:05.392906Z"}]}}