{"id":"CVE-2026-94212","aliases":["BIT-apisix-2026-94212","EUVD-2026-90765","GHSA-9cp4-6jfv-7725"],"status":"published","title":"Apache APISIX: unauthenticated impersonation issue in saml-auth","description":"Improper verification of cryptographic signature vulnerability in Apache APISIX.\n\n\n\nAny unauthenticated attacker could impersonate any user on every route protected by the saml-auth plugin under default configuration. This issue affects Apache APISIX: from 3.17.0 through 3.18.0.\n\n\n\nUsers are recommended to upgrade to version 3.19.0, which fixes the issue.","severity":{"version":"4.0","score":6.4,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00206,"percentile":0.10759,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-347"],"published":"2026-10-01T11:01:11Z","modified":"2026-10-09T12:00:03Z","fixes":[{"ecosystem":"Bitnami","package":"apisix","fixed_in":["3.19.0"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"apisix","ranges":[{"type":"SEMVER","events":[{"introduced":"3.17.0"},{"fixed":"3.19.0"}]}]}],"products":[{"vendor":"apache software foundation","product":"apache apisix"}],"references":[{"url":"https://lists.apache.org/thread.html/1230fnojnmc7bfz3n0nkt7tkcld9d1sc","tags":["vendor-advisory","web"]},{"url":"http://www.openwall.com/lists/oss-security/2026/10/01/4","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-94212","tags":["web"]},{"url":"https://github.com/advisories/GHSA-9cp4-6jfv-7725"}],"sources":{"cve":[{"id":"CVE-2026-94212","title":"Apache APISIX: unauthenticated impersonation issue in saml-auth","description":"Improper verification of cryptographic signature vulnerability in Apache APISIX.\n\n\n\nAny unauthenticated attacker could impersonate any user on every route protected by the saml-auth plugin under default configuration. This issue affects Apache APISIX: from 3.17.0 through 3.18.0.\n\n\n\nUsers are recommended to upgrade to version 3.19.0, which fixes the issue.","status":"published","published":"2026-10-01T11:01:11.697Z","modified":"2026-10-01T14:52:48.202Z","cvss":[{"version":"4.0","score":6.4,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N","level":"medium","assessor":"cna"}],"cwes":["CWE-347"],"updated_at":"2026-11-02T14:19:53.786088Z"}],"euvd":[{"id":"EUVD-2026-90765","description":"Improper verification of cryptographic signature vulnerability in Apache APISIX.\n\n\n\nAny unauthenticated attacker could impersonate any user on every route protected by the saml-auth plugin under default configuration. This issue affects Apache APISIX: from 3.17.0 through 3.18.0.\n\n\n\nUsers are recommended to upgrade to version 3.19.0, which fixes the issue.","status":"published","published":"2026-10-01T11:01:11Z","modified":"2026-10-01T14:52:48Z","cvss":[{"version":"4.0","score":6.4,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N","level":"medium"}],"updated_at":"2026-11-02T17:27:45.695512Z"}],"ghsa":[{"id":"GHSA-9cp4-6jfv-7725","title":"Improper verification of cryptographic signature vulnerability in Apache APISIX.\n\n\n\nAny...","description":"Improper verification of cryptographic signature vulnerability in Apache APISIX.\n\n\n\nAny unauthenticated attacker could impersonate any user on every route protected by the saml-auth plugin under default configuration. This issue affects Apache APISIX: from 3.17.0 through 3.18.0.\n\n\n\nUsers are recommended to upgrade to version 3.19.0, which fixes the issue.","status":"published","published":"2026-10-01T12:31:20Z","modified":"2026-10-01T15:30:40Z","cvss":[{"version":"4.0","score":6.4,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/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":"medium"}],"cwes":["CWE-347"],"updated_at":"2026-11-02T15:12:40.571849Z"}],"nvd":[{"id":"CVE-2026-94212","description":"Improper verification of cryptographic signature vulnerability in Apache APISIX.\n\n\n\nAny unauthenticated attacker could impersonate any user on every route protected by the saml-auth plugin under default configuration. This issue affects Apache APISIX: from 3.17.0 through 3.18.0.\n\n\n\nUsers are recommended to upgrade to version 3.19.0, which fixes the issue.","status":"published","published":"2026-10-01T12:17:16.793Z","modified":"2026-10-01T15:17:35.967Z","cvss":[{"version":"4.0","score":6.4,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/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":"medium","assessor":"secondary"}],"cwes":["CWE-347"],"updated_at":"2026-11-02T14:12:53.41762Z"}],"osv":[{"id":"BIT-apisix-2026-94212","title":"Apache APISIX: unauthenticated impersonation issue in saml-auth","description":"Improper verification of cryptographic signature vulnerability in Apache APISIX.\n\n\n\nAny unauthenticated attacker could impersonate any user on every route protected by the saml-auth plugin under default configuration. This issue affects Apache APISIX: from 3.17.0 through 3.18.0.\n\n\n\nUsers are recommended to upgrade to version 3.19.0, which fixes the issue.","status":"published","published":"2026-10-09T10:43:47.772Z","modified":"2026-10-09T12:00:03.566955986Z","updated_at":"2026-11-02T15:28:28.267217Z"}]}}