What is GHSA-ccgq-fx7h-2v4c?

GHSA-ccgq-fx7h-2v4c is a security advisory published by GitHub Security Advisories with Medium severity. Vikunja before 2.6.0 fails to validate that user-supplied project_view_id in task-position...

Which CVE IDs does GHSA-ccgq-fx7h-2v4c cover?

GHSA-ccgq-fx7h-2v4c covers the following CVE IDs: CVE-2026-91984. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-ccgq-fx7h-2v4c?

GHSA-ccgq-fx7h-2v4c has a CVSS v3 base score of 4.3, published by GitHub Security Advisories.

GHSA-ccgq-fx7h-2v4cMediumCVSS 4.3

Vikunja before 2.6.0 fails to validate that user-supplied project_view_id in task-position...

Vendor

GitHub Security Advisories

Published

September 15, 2026

Last Modified

September 15, 2026

🔗 CVE IDs covered (1)

CVE-2026-91984 →

📋 Description

Vikunja before 2.6.0 fails to validate that user-supplied project_view_id in task-position requests belongs to the task's project. Authenticated attackers can insert task position rows into arbitrary other tenant project views via POST or PUT task-position endpoints.

🔗 References (4)

https://github.com/go-vikunja/vikunja/security/advisories/GHSA-w39f-h553-h2mx
https://nvd.nist.gov/vuln/detail/CVE-2026-91984
https://www.vulncheck.com/advisories/vikunja-before-2.6.0-broken-object-level-authorization-via-task-position
https://github.com/advisories/GHSA-ccgq-fx7h-2v4c