Vulnerability · Published Oct 17, 2026 · Assigned by VulnCheck
CVE-2026-111919Vikunja 0.22.0 before 2.7.0 Improper Access Revocation via Webhooks
Medium 6.5
In plain English
A medium-severity security flaw in vikunja from go-vikunja. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 29% of all known vulnerabilities).
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.4%top 70.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
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keep receiving task titles and descriptions through their webhook, including content created after their access was revoked.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Go | code.vikunja.io/api | no fix listed | GHSA-hjx8-qv73-f7cm |
| Go | code.vikunja.io/api | no fix listed | GO-2026-6733 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| go-vikunja | vikunja | 0.22.0 – before 2.7.0 |
Weakness: CWE-613 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
References
- GitHub Security Advisory (GHSA-hjx8-qv73-f7cm) vendor-advisory
- VulnCheck Advisory: Vikunja 0.22.0 before 2.7.0 Improper Access Revocation via Webhooks third-party-advisory