{"id":"CVE-2026-82463","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-82463","summary":"pac4j-core before 6.5.6 contains an authentication bypass vulnerability in CheckProfileTypeAuthorizer that reverses the profile type validation logic. Attackers can authenticate through…","details":"pac4j-core before 6.5.6 contains an authentication bypass vulnerability in CheckProfileTypeAuthorizer that reverses the profile type validation logic. Attackers can authenticate through a weaker client and access resources requiring a stronger profile type by satisfying generic profile checks.","published":"2026-08-29T17:17:58.490","modified":"2026-08-29T17:17:58.490","cvss":{"score":8.1,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":{"url":"https://github.com/pac4j/pac4j/commit/2270c3ff70e93cc43831e75702acd5135531237e","label":"pac4j/pac4j@2270c3f"},"references":[{"type":"WEB","url":"https://github.com/pac4j/pac4j"},{"type":"WEB","url":"https://github.com/pac4j/pac4j/blob/pac4j-parent-6.5.5/pac4j-core/src/main/java/org/pac4j/core/authorization/authorizer/CheckProfileTypeAuthorizer.java"},{"type":"WEB","url":"https://github.com/pac4j/pac4j/commit/2270c3ff70e93cc43831e75702acd5135531237e"},{"type":"WEB","url":"https://www.pac4j.org/blog/security-advisory-pac4j-core-oidc-saml.html"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/pac4j-core-before-6.5.6-authorization-bypass-via-reversed-profile-type-check"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-08-29T17:17:58.490"}}