{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"code.vikunja.io/api","cve_ids":["CVE-2026-91983"],"ecosystem":"Go","exploited":false,"fixed_versions":[],"ghsa_id":"GHSA-9rg3-v78m-26q8","id":"tcs_01M5JJ4WXHHMRPFAC23DKKYAH5","modified_at":"2026-10-19T21:31:52.830337014Z","published_at":"2026-10-19T21:08:26Z","references":["https://osv.dev/vulnerability/GO-2026-6726","https://github.com/go-vikunja/vikunja/security/advisories/GHSA-9rg3-v78m-26q8","https://nvd.nist.gov/vuln/detail/CVE-2026-91983","https://github.com/go-vikunja/vikunja/commit/077dc4de79ce6f1ab59215a2c7bf9b30423685f2","https://github.com/go-vikunja/vikunja/pull/3688","https://github.com/go-vikunja/vikunja/releases/tag/v2.6.0","https://www.vulncheck.com/advisories/vikunja-before-2.6.0-api-token-scope-bypass-via-expand-parameter"],"severity":{"label":"medium","score":4.3},"sources":[{"source":"osv","source_id":"GO-2026-6726","url":"https://osv.dev/vulnerability/GO-2026-6726"},{"source":"nvd","source_id":"CVE-2026-91983","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-91983"}],"summary":"Vikunja: API token scopes bypassed via task expand parameter (comments, reactions, time entry counts) in code.vikunja.io/api"}