{"id":"GO-2026-6726","summary":"Vikunja: API token scopes bypassed via task expand parameter (comments, reactions, time entry counts) in code.vikunja.io/api","details":"Vikunja: API token scopes bypassed via task expand parameter (comments, reactions, time entry counts) in code.vikunja.io/api.\n\nNOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions.\n\n(If this is causing false-positive reports from vulnerability scanners, please suggest an edit to the report.)\n\nThe additional affected modules and versions are: code.vikunja.io/api from v1.0.0 before v2.6.0.","aliases":["CVE-2026-91983","GHSA-9rg3-v78m-26q8"],"modified":"2026-10-19T21:31:52.830337014Z","published":"2026-10-19T21:08:26Z","database_specific":{"review_status":"UNREVIEWED","url":"https://pkg.go.dev/vuln/GO-2026-6726"},"references":[{"type":"ADVISORY","url":"https://github.com/go-vikunja/vikunja/security/advisories/GHSA-9rg3-v78m-26q8"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-91983"},{"type":"WEB","url":"https://github.com/go-vikunja/vikunja/commit/077dc4de79ce6f1ab59215a2c7bf9b30423685f2"},{"type":"WEB","url":"https://github.com/go-vikunja/vikunja/pull/3688"},{"type":"WEB","url":"https://github.com/go-vikunja/vikunja/releases/tag/v2.6.0"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/vikunja-before-2.6.0-api-token-scope-bypass-via-expand-parameter"}],"affected":[{"package":{"name":"code.vikunja.io/api","ecosystem":"Go","purl":"pkg:golang/code.vikunja.io/api"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"}]}],"ecosystem_specific":{"custom_ranges":[{"events":[{"introduced":"1.0.0"},{"fixed":"2.6.0"}],"type":"ECOSYSTEM"}]},"database_specific":{"source":"https://vuln.go.dev/ID/GO-2026-6726.json"}}],"schema_version":"1.9.0"}