CVE-2026-82462

Discovered by AISLEPUBLISHEDCWE-345

Description

pac4j-oidc before 6.5.6 accepts OIDC callbacks carrying only an access token without authorization code or ID token validation. Attackers can substitute access tokens minted for other clients to create authenticated sessions without proper issuer, audience, nonce, or subject verification.

CVSS Base Scores

CVSS v4.06.9

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

Affected Products

VendorProductVersionStatus
pac4j

References