High severity8.1NVD Advisory· Published Aug 29, 2026
CVE-2026-82463
CVE-2026-82463
Description
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.
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Patches
Vulnerability mechanics
References
4- github.com/pac4j/pac4j/blob/pac4j-parent-6.5.5/pac4j-core/src/main/java/org/pac4j/core/authorization/authorizer/CheckProfileTypeAuthorizer.javanvd
- github.com/pac4j/pac4j/commit/2270c3ff70e93cc43831e75702acd5135531237envd
- www.pac4j.org/blog/security-advisory-pac4j-core-oidc-saml.htmlnvd
- www.vulncheck.com/advisories/pac4j-core-before-6.5.6-authorization-bypass-via-reversed-profile-type-checknvd
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