{"id":"GHSA-gp6m-x9vw-5c5x","revision":"1d90d660a01d48aca86fb9a4c41b0ae1","records":[{"revision":"1d90d660a01d48aca86fb9a4c41b0ae1","observedAt":"2026-10-24T13:17:17.793+00:00","statement":{"source":"osv","id":"GHSA-gp6m-x9vw-5c5x","aliases":["CVE-2026-106463"],"title":"Backstage has improper authorization in GitLab organizational user ingestion","description":"### Impact\n\nDeployments that enable GitLab organization event ingestion and rely on scoped catalog users as an access boundary may admit an unintended catalog identity. Depending on sign-in and permission configuration, this may allow unauthorized access with the permissions of a standard authenticated user.\n\n### Patches\n\n- Upgrade `@backstage/plugin-catalog-backend-module-gitlab` to version `0.8.7`.\n\n### Workarounds\n\n- Disable event-driven GitLab organization ingestion and rely on scheduled discovery until upgrading.\n- Enforce organization membership independently at the authenticating proxy or sign-in resolver.","state":0,"publishedAt":"2026-10-07T18:01:39+00:00","modifiedAt":"2026-10-07T18:15:10.7294375+00:00","affected":[{"ecosystem":"npm","name":"@backstage/plugin-catalog-backend-module-gitlab","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"0.8.7"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[{"system":"CVSS_V3","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","score":null,"severity":null},{"system":"Publisher rating","vector":null,"score":null,"severity":"MODERATE"}],"references":["https://github.com/backstage/backstage/security/advisories/GHSA-gp6m-x9vw-5c5x","https://nvd.nist.gov/vuln/detail/CVE-2026-106463","https://github.com/backstage/backstage/commit/c211b4b67d28efd2f4fac63e35e2ac515e305cb3","https://github.com/backstage/backstage","https://github.com/backstage/backstage/releases/tag/v1.54.6"],"sourceUrl":"https://github.com/advisories/GHSA-gp6m-x9vw-5c5x","license":"GitHub Advisory Database · CC-BY-4.0","key":"osv:GHSA-gp6m-x9vw-5c5x","identifiers":["GHSA-gp6m-x9vw-5c5x","CVE-2026-106463"]},"retained":false,"historicalAffected":[]}],"coverage":[]}