{"action":"Upgrade code.vikunja.io/api to 2.4.0 or later.","affected":[{"fixed":"2.4.0","introduced":"2.3.0"}],"component":"code.vikunja.io/api","cve_ids":["CVE-2026-55064"],"ecosystem":"Go","epss":0.00366,"exploited":false,"fixed_versions":["2.4.0"],"ghsa_id":"GHSA-44v6-7fxq-vgf4","id":"tcs_01M5KEVTYK004YMX0XJ7170Z90","modified_at":"2026-09-02T19:55:44.420059465Z","published_at":"2026-08-28T16:39:08Z","references":["https://osv.dev/vulnerability/GHSA-44v6-7fxq-vgf4","https://github.com/go-vikunja/vikunja/security/advisories/GHSA-44v6-7fxq-vgf4","https://github.com/go-vikunja/vikunja"],"severity":{"label":"medium","score":4.3},"sources":[{"source":"osv","source_id":"GHSA-44v6-7fxq-vgf4","url":"https://osv.dev/vulnerability/GHSA-44v6-7fxq-vgf4"}],"summary":"Vikunja has an incomplete fix for CVE-2026-35595: Write-only user can detach shared project from parent hierarchy via parent_project_id=0"}