CVE-2026-123495 Vikunja 2.0.0 before 2.7.1 Login CSRF via /api/v2 Login and OIDC Callback
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-123495?
CVE-2026-123495 is a medium-severity vulnerability in go-vikunja vikunja, published on 8 Nov 2026.
Official description
Vikunja 2.0.0 before 2.7.1 accepts form-encoded bodies on the /api/v2 login and OIDC callback endpoints without CSRF or Origin checks, enabling login cross-site request forgery. An attacker with an account can lure a victim to a page posting the attacker's credentials or OIDC code, switching the victim into the attacker's account and exposing data the victim then adds.
Weakness: CWE-352
Which versions are affected by CVE-2026-123495?
How do I fix CVE-2026-123495?
No fix has been published for CVE-2026-123495 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-123495 being exploited?
There is no known exploitation of CVE-2026-123495 in the wild and no public exploit code.
Sources
Also known as GHSA-frf4-3prf-3vch, GHSA-pvgh-54fw-mm3m.