MEDIUM 5.3 NVD
CVE-2026-123526
Vikunja before 2.7.1 contains a mass assignment vulnerability that allows any authenticated user to set the read-only external_id field through the team create
Vikunja before 2.7.1 contains a mass assignment vulnerability that allows any authenticated user to set the read-only external_id field through the team create and update endpoints. Attackers can tag a team they create or administer as externally managed, permanently blocking removal of every member and causing SSO members to be dropped from the team at their next login.
References
- https://github.com/go-vikunja/vikunja/security/advisories/GHSA-fjrf-gjmg-9v6g
- https://www.vulncheck.com/advisories/vikunja-before-2.7.1-mass-assignment-via-team-externa
This medium severity vulnerability with a CVSS score of 5.3 was published on 2026-11-08 via NVD.
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