CVE-2026-123528 Vikunja before 2.7.1 Insufficient Session Expiration via HTTP Token Middleware

High 7.6 Published Updated
Exploited in the wild
Not known
Fix
None listed

What is CVE-2026-123528?

CVE-2026-123528 is a high-severity vulnerability in go-vikunja vikunja, published on 8 Nov 2026.

Official description

Vikunja before 2.7.1 contains an insufficient session expiration vulnerability that allows holders of revoked access tokens to keep authenticating because SetupTokenMiddleware skips session and account-status checks. Attackers with a stolen token can, after logout, password reset, or account disabling, mint OAuth sessions via /oauth/authorize or tk_ API tokens for persistent access.

Weakness: CWE-613

Which versions are affected by CVE-2026-123528?

How do I fix CVE-2026-123528?

No fix has been published for CVE-2026-123528 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-123528 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-123528 exists.

Sources

Also known as GHSA-4qvp-948j-4cgv, GHSA-vvrr-xxjj-fc78.

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