{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0.22.0"}],"component":"code.vikunja.io/api","cve_ids":["CVE-2026-68581"],"ecosystem":"Go","exploited":false,"fixed_versions":[],"ghsa_id":"GHSA-vvcv-vpph-h844","id":"tcs_01M5JJ4R4ET0X1RX1GHKP1VTRS","modified_at":"2026-10-19T21:31:52.825464681Z","published_at":"2026-10-19T21:08:26Z","references":["https://osv.dev/vulnerability/GO-2026-6753","https://github.com/go-vikunja/vikunja/security/advisories/GHSA-vvcv-vpph-h844","https://nvd.nist.gov/vuln/detail/CVE-2026-68581","https://github.com/go-vikunja/vikunja/commit/95b7e673fb5ee407498fa4b13e8b4c57847a4a0b","https://github.com/go-vikunja/vikunja/commit/e6b25bd57b537ef9a72b5acdadf446ca5ef77bfa","https://github.com/go-vikunja/vikunja/releases/tag/v2.4.0","https://www.vulncheck.com/advisories/vikunja-through-authentication-bypass-via-principal-id-collision"],"severity":{"label":"high","score":8.1},"sources":[{"source":"osv","source_id":"GO-2026-6753","url":"https://osv.dev/vulnerability/GO-2026-6753"},{"source":"nvd","source_id":"CVE-2026-68581","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-68581"}],"summary":"Vikunja: Link-share principal ID collision allows cross-account API token issuance and management in code.vikunja.io/api"}