CVE-2026-111919

MEDIUM 6.5

Vikunja 0.22.0 before 2.7.0 Improper Access Revocation via Webhooks

CVSS Score

6.5

EPSS Score

0.0%

EPSS Percentile

0th

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keep receiving task titles and descriptions through their webhook, including content created after their access was revoked.

CWE	CWE-613
Vendor	go-vikunja
Product	vikunja
Published	Oct 17, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Affected Versions

go-vikunja / vikunja

0.22.0 < 2.7.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

🔍 euriconicacio 🔍 Tan-JunWei