CVE-2026-111919 Vikunja 0.22.0 before 2.7.0 Improper Access Revocation via Webhooks
Removed collaborators can continue receiving sensitive project data via webhooks they created, exposing task details after access revocation.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-111919?
CVE-2026-111919 is a high-severity missing authorization vulnerability in go-vikunja vikunja, published on 17 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Vikunja 0.22.0 before 2.7.0 contains an improper access revocation vulnerability that allows removed collaborators to keep receiving project data through webhooks they created. Former collaborators keep receiving task titles and descriptions through their webhook, including content created after their access was revoked.
Weakness: CWE-613
Which versions are affected by CVE-2026-111919?
3 open source packages ship an affected version, including code.vikunja.io/api.
| Package | Affected | Fixed in |
|---|---|---|
code.vikunja.io/api Go | From 0.22.0 | None |
code.vikunja.io/api Go | From 0.22.0 to 2.6.0 | None |
code.vikunja.io/api Go | From 0.22.0 to 2.6.0 | None |
How do I fix CVE-2026-111919?
No fix has been published for CVE-2026-111919 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-111919 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-111919 exists.
Sources
Also known as GHSA-276j-w3vx-r5jh, GHSA-hjx8-qv73-f7cm, GO-2026-6733.