CVE-2026-82463CWE-863broken-access-control

CVE-2026-82463

High · published August 29, 2026

CVSS v3.1
8.1
EPSS
1%
Percentile
45.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.1 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
CVSS v4.0
8.6 · 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
EPSS
0.00551 · 45.3th percentile
Weakness
CWE-863 · Incorrect Authorization
Published
2026-08-29T21:17Z
References (5)
https://github.com/pac4j/pac4j · [email protected]https://github.com/pac4j/pac4j/blob/pac4j-parent-6.5.5/pac4j-core/src/main/java/org/pac4j/core/authorization/authorizer/CheckProfileTypeAuthorizer.java · [email protected]https://github.com/pac4j/pac4j/commit/2270c3ff70e93cc43831e75702acd5135531237e · [email protected]https://www.pac4j.org/blog/security-advisory-pac4j-core-oidc-saml.html · [email protected]https://www.vulncheck.com/advisories/pac4j-core-before-6.5.6-authorization-bypass-via-reversed-profile-type-check · [email protected]
EPSS history
Timeline
  • 30 AUG 16:19Z
    EPSS moved — → 0%
    epss
  • 29 AUG 16:35Z
    pac4j-core before 6.5.6 Authorization Bypass via Reversed Profile Type Check
    cvelistv5