{"action":"Upgrade code.vikunja.io/api to 2.4.0 or later.","affected":[{"fixed":"2.4.0","introduced":"0.21.0"}],"component":"code.vikunja.io/api","cve_ids":["CVE-2026-54766"],"ecosystem":"Go","epss":0.00427,"exploited":false,"fixed_versions":["2.4.0"],"ghsa_id":"GHSA-f27p-pw2p-9pr4","id":"tcs_01M5KF849QBP0HXYNDFTD23XPG","modified_at":"2026-09-02T19:55:46.453854844Z","published_at":"2026-08-28T16:37:26Z","references":["https://osv.dev/vulnerability/GHSA-f27p-pw2p-9pr4","https://github.com/go-vikunja/vikunja/security/advisories/GHSA-f27p-pw2p-9pr4","https://github.com/go-vikunja/vikunja/pull/3239","https://github.com/go-vikunja/vikunja/commit/d911caaa11c748c3abc6b98b3189afea2677bcb0","https://github.com/go-vikunja/vikunja","https://github.com/go-vikunja/vikunja/releases/tag/v2.4.0"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"GHSA-f27p-pw2p-9pr4","url":"https://osv.dev/vulnerability/GHSA-f27p-pw2p-9pr4"},{"source":"nvd","source_id":"CVE-2026-54766","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-54766"}],"summary":"Vikunja has a project duplication bypasses write-permission check on the target parent project"}