{"id":"CVE-2026-94212","title":"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 …","summary":"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 …","severity":"medium","cvss":6.4,"cvssVector":"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","cwe":["CWE-347"],"vendor":"Apache Software Foundation","product":"Apache APISIX","affected":["apache_apisix >= 3.17.0 <= 3.18.0"],"published":"2026-10-01","updated":"2026-10-01","sourceUpdated":"2026-10-01T15:17:35.967","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-94212","references":[{"url":"https://lists.apache.org/thread.html/1230fnojnmc7bfz3n0nkt7tkcld9d1sc","label":"security@apache.org"},{"url":"http://www.openwall.com/lists/oss-security/2026/10/01/4","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-01T14:52:10.993607Z"},"cvssSource":"cna","ingestedAt":"2026-10-01T11:42:53.820Z","epss":0.00206,"epssPercentile":0.10565,"slug":"CVE-2026-94212","body":"## Overview\n\nImproper 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":35,"depthScoreParts":{"impact":35.2,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}