GHSA-GQ2M-77HF-VWGH OliveTin Session Fixation: Logout Fails to Invalidate Server-Side Session

Summary OliveTin does not revoke server-side sessions when a user logs out. Although the browser cookie is cleared, the corresponding session remains valid in server storage until expiry default ≈ 1 year. An attacker with a previously stolen or captured session cookie can continue authenticating...