{"id":"EUVD-2026-94058","revision":"3cb052a7c5344e4b9ab95890411c9a61","records":[{"revision":"3cb052a7c5344e4b9ab95890411c9a61","observedAt":"2026-11-04T00:03:06.42+00:00","statement":{"source":"euvd","id":"EUVD-2026-94058","aliases":["CVE-2026-106500","GHSA-xvgh-hmx8-9xxf"],"title":"Backstage is an open framework for building developer portals. Prior to 3.3.1, 3.4.1, 4.0.3 and 4.1.0, the @backstage/plugin-scaffolder-backend package is affected by improper task state validation in scaffolder backend. An authenticated us…","description":"Backstage is an open framework for building developer portals. Prior to 3.3.1, 3.4.1, 4.0.3 and 4.1.0, the @backstage/plugin-scaffolder-backend package is affected by improper task state validation in scaffolder backend. An authenticated user with permission to create and access Scaffolder tasks may, under specific timing and deployment conditions, affect files accessible to the Backstage backend. If backend application files are writable, the confidentiality, integrity, and availability of the backend may be compromised. This issue is fixed in versions 3.3.1, 3.4.1, 4.0.3 and 4.1.0.","state":0,"publishedAt":null,"modifiedAt":null,"affected":[],"metrics":[{"system":"EUVD CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H","score":8.5,"severity":null}],"references":["https://github.com/backstage/backstage/security/advisories/GHSA-xvgh-hmx8-9xxf","https://github.com/backstage/backstage/commit/0d24f1b8701f3dde6cd597f81997c1ea873a43ae","https://github.com/backstage/backstage/commit/56be299dd3ef6706e13e76ea2f8a9b0dd0b6413d","https://github.com/backstage/backstage/commit/9e86c95a1a3ddfd54db03731cd8678aa63495175","https://github.com/backstage/backstage/releases/tag/v1.49.6","https://github.com/backstage/backstage/releases/tag/v1.50.5","https://github.com/backstage/backstage/releases/tag/v1.54.6"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-94058","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"Oct 6, 2026, 9:29:10 PM","dateUpdated":"Oct 7, 2026, 3:48:01 PM"},"relatedAdvisories":[],"note":"EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON."},"key":"euvd:EUVD-2026-94058","identifiers":["EUVD-2026-94058","CVE-2026-106500","GHSA-xvgh-hmx8-9xxf"]},"retained":false,"historicalAffected":[]}],"coverage":[]}