{"schema_version":"1.3.1","id":"GO-2026-4855","modified":"2026-03-26T20:33:09Z","published":"2026-03-26T20:33:09Z","aliases":["GHSA-2pv8-4c52-mf8j"],"summary":"Vikunja: Unauthenticated Instance-Wide Data Breach via Link Share Hash Disclosure Chained with Cross-Project Attachment IDOR in code.vikunja.io/api","details":"Vikunja: Unauthenticated Instance-Wide Data Breach via Link Share Hash Disclosure Chained with Cross-Project Attachment IDOR 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 before v2.2.1.","affected":[{"package":{"name":"code.vikunja.io/api","ecosystem":"Go"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"}]}],"ecosystem_specific":{"custom_ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.1"}]}]}}],"references":[{"type":"ADVISORY","url":"https://github.com/go-vikunja/vikunja/security/advisories/GHSA-2pv8-4c52-mf8j"},{"type":"WEB","url":"https://github.com/go-vikunja/vikunja/security/advisories/GHSA-8hp8-9fhr-pfm9"},{"type":"WEB","url":"https://github.com/go-vikunja/vikunja/security/advisories/GHSA-jfmm-mjcp-8wq2"},{"type":"WEB","url":"https://vikunja.io/changelog/vikunja-v2.2.2-was-released"}],"database_specific":{"url":"https://pkg.go.dev/vuln/GO-2026-4855","review_status":"UNREVIEWED"}}