{"action":"Upgrade code.vikunja.io/api to 2.6.0 or later.","affected":[{"fixed":"2.6.0","introduced":"1.0.0"}],"component":"code.vikunja.io/api","cve_ids":["CVE-2026-91983"],"ecosystem":"Go","exploited":false,"fixed_versions":["2.6.0"],"ghsa_id":"GHSA-9rg3-v78m-26q8","id":"tcs_01M5JJPKS83PR35JTDB7CJE625","modified_at":"2026-10-19T21:41:16.622292055Z","published_at":"2026-10-09T20:51:52Z","references":["https://osv.dev/vulnerability/GHSA-9rg3-v78m-26q8","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/pull/3688","https://github.com/go-vikunja/vikunja/commit/077dc4de79ce6f1ab59215a2c7bf9b30423685f2","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-api-token-scope-bypass-via-expand-parameter"],"severity":{"label":"medium","score":4.3},"sources":[{"source":"osv","source_id":"GHSA-9rg3-v78m-26q8","url":"https://osv.dev/vulnerability/GHSA-9rg3-v78m-26q8"},{"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)"}