MEDIUM 5.3 NVD
CVE-2026-91980
vikunja before 2.6.0 fails to validate team access when attaching teams to projects, allowing authenticated users to enumerate all teams and members. Attackers
vikunja before 2.6.0 fails to validate team access when attaching teams to projects, allowing authenticated users to enumerate all teams and members. Attackers can attach arbitrary team IDs via the project teams endpoint to retrieve complete team rosters including member names and admin flags for unauthorized teams.
References
- https://github.com/go-vikunja/vikunja/security/advisories/GHSA-39p5-2wrr-xh29
- https://www.vulncheck.com/advisories/vikunja-before-2.6.0-team-enumeration-via-project-sha
This medium severity vulnerability with a CVSS score of 5.3 was published on 2026-09-15 via NVD.
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