CVE-2026-82461 - pac4j-oidc before 6.5.6 Privilege Escalation via Unverified Keycloak Access Token
Brief
CVE ID : CVE-2026-82461
Published : Aug. 29, 2026, 5:17 p. m.
- 3 hours, 57 minutes ago
Description : pac4j-oidc before 6.
- 6 fails to verify access token signatures, issuers, audiences, or expiry when extracting Keycloak realm and client roles. Attackers can forge access tokens with administrative roles paired with valid ID tokens to bypass authorization checks in applications relying on pac4j role validation.
Severity: 8.1
- HIGH
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