{"action":"Upgrade code.vikunja.io/api to 2.6.0 or later.","affected":[{"fixed":"2.6.0","introduced":"0"}],"component":"code.vikunja.io/api","cve_ids":["CVE-2026-91980"],"ecosystem":"Go","exploited":false,"fixed_versions":["2.6.0"],"ghsa_id":"GHSA-39p5-2wrr-xh29","id":"tcs_01M5JJP0H3B49F0Y31579M59XJ","modified_at":"2026-10-19T21:41:05.996463332Z","published_at":"2026-10-09T20:52:27Z","references":["https://osv.dev/vulnerability/GHSA-39p5-2wrr-xh29","https://github.com/go-vikunja/vikunja/security/advisories/GHSA-39p5-2wrr-xh29","https://nvd.nist.gov/vuln/detail/CVE-2026-91980","https://github.com/go-vikunja/vikunja/pull/3688","https://github.com/go-vikunja/vikunja","https://github.com/go-vikunja/vikunja/releases/tag/v2.6.0","https://www.vulncheck.com/advisories/vikunja-before-2.6.0-team-enumeration-via-project-share"],"severity":{"label":"medium","score":4.3},"sources":[{"source":"osv","source_id":"GHSA-39p5-2wrr-xh29","url":"https://osv.dev/vulnerability/GHSA-39p5-2wrr-xh29"},{"source":"nvd","source_id":"CVE-2026-91980","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-91980"}],"summary":"Vikunja: Any user can enumerate every team and its members by attaching arbitrary teams to a throwaway project"}