CVEvulnerability
CVE-2026-82463
8.6 HIGH
Official page ↗
- Status
- Deferred
- Published
- 2026-08-29
- Last modified
- 2026-09-02
- Assigner
- [email protected]
- CVSS 4.0 ([email protected])
- 8.6 HIGH — CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/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
- CVSS 3.1 ([email protected])
- 8.1 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
- Weaknesses
- CWE-863
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.
Related
Weakness · CWE (1)
- CWE-863 Incorrect Authorization weakness
References
- https://github.com/pac4j/pac4j github.com
- https://github.com/pac4j/pac4j/blob/pac4j-parent-6.5.5/pac4j-core/src/main/java/org/pac4j/core/authorization/authorizer/CheckProfileTypeAuthorizer.java github.com
- https://github.com/pac4j/pac4j/commit/2270c3ff70e93cc43831e75702acd5135531237e github.com
- https://www.pac4j.org/blog/security-advisory-pac4j-core-oidc-saml.html www.pac4j.org
- https://www.vulncheck.com/advisories/pac4j-core-before-6.5.6-authorization-bypass-via-reversed-profile-type-check www.vulncheck.com