{"id":"GO-2026-4855","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.","aliases":["GHSA-2pv8-4c52-mf8j"],"modified":"2026-03-26T21:00:56.952742Z","published":"2026-03-26T20:33:09Z","database_specific":{"review_status":"UNREVIEWED","url":"https://pkg.go.dev/vuln/GO-2026-4855"},"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"}],"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":"0"},{"fixed":"2.2.1"}],"type":"ECOSYSTEM"}]},"database_specific":{"source":"https://vuln.go.dev/ID/GO-2026-4855.json"}}],"schema_version":"1.7.5"}