Analysis and contextual insights are available on OpenCVE Cloud.
No vendor fix or workaround currently provided.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
Sign in to view the affected projects.
No advisories yet.
Sat, 29 Aug 2026 16:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | pac4j-oidc before 6.5.6 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. | |
| Title | pac4j-oidc before 6.5.6 Privilege Escalation via Unverified Keycloak Access Token | |
| First Time appeared |
Pac4j
Pac4j pac4j |
|
| Weaknesses | CWE-347 | |
| CPEs | cpe:2.3:a:pac4j:pac4j:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Pac4j
Pac4j pac4j |
|
| References |
|
|
| Metrics |
cvssV3_1
|
Status: PUBLISHED
Assigner: VulnCheck
Published:
Updated: 2026-08-29T16:35:25.482Z
Reserved: 2026-08-29T14:11:00.266Z
Link: CVE-2026-82461
No data.
Status : Received
Published: 2026-08-29T17:17:58.207
Modified: 2026-08-29T17:17:58.207
Link: CVE-2026-82461
No data.
OpenCVE Enrichment
Updated: 2026-08-29T18:30:13Z
-
CWE-347
Improper Verification of Cryptographic Signature