What’s Vulnerable › Vulnerabilities

CVE-2026-111919: Vikunja 0.22.0 before 2.7.0 Improper Access Revocation via Webhooks

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-17 · updated 2026-10-19
• Weakness: CWE-613

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keep receiving task titles and descriptions through their webhook, including content created after their access was revoked.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 products

• Go Code.Vikunja.Io/Api: from 0.22.0 through 2.6.0
• go-vikunja vikunja: from 0.22.0 before 2.7.0 — fixed in 2.7.0

How to fix

Upgrade to a fixed version: go-vikunja vikunja 2.7.0. Check the vendor advisory for mitigations.

References

• https://github.com/go-vikunja/vikunja/security/advisories/GHSA-hjx8-qv73-f7cm
• https://www.vulncheck.com/advisories/vikunja-0.22.0-before-2.7.0-improper-access-revocation-via-webhooks
• https://github.com/go-vikunja/vikunja/security/advisories/GHSA-hjx8-qv73-f7cm

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