{"id":"CVE-2026-106505","revision":"0d6e613a31bd432a84d710761d1f2bec","records":[{"revision":"0d6e613a31bd432a84d710761d1f2bec","observedAt":"2026-10-25T04:17:41.466+00:00","statement":{"source":"nvd","id":"CVE-2026-106505","aliases":[],"title":"Backstage is an open framework for building developer portals. Prior to 1.14.6 and 1.15.4, the @backstage/plugin-techdocs-node package is affected by bypass of mkdocs configuration sanitizer in techdocs backend. Users with the ability to co…","description":"Backstage is an open framework for building developer portals. Prior to 1.14.6 and 1.15.4, the @backstage/plugin-techdocs-node package is affected by bypass of mkdocs configuration sanitizer in techdocs backend. Users with the ability to commit changes to a repository that uses TechDocs can circumvent the MkDocs configuration file sanitizer introduced in response to CVE-2026-25153 and execute arbitrary code on the TechDocs backend host during documentation generation. This issue is fixed in versions 1.14.6 and 1.15.4.","state":0,"publishedAt":"2026-10-06T22:17:05.837+00:00","modifiedAt":"2026-10-09T17:58:21.97+00:00","affected":[],"metrics":[{"system":"CVSS 3.1 · security-advisories@github.com · Secondary","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:L","score":7.7,"severity":"HIGH"},{"system":"CVSS 3.1 · nvd@nist.gov · Primary","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H","score":8.5,"severity":"HIGH"}],"references":["https://github.com/backstage/backstage/commit/a7d995f11a5d27f0efbdbe8bb6c21b06988c79c9","https://github.com/backstage/backstage/commit/ef92d3d2b76046205c580e7152956514c15640db","https://github.com/backstage/backstage/releases/tag/v1.50.5","https://github.com/backstage/backstage/releases/tag/v1.54.6","https://github.com/backstage/backstage/security/advisories/GHSA-p75x-jh7p-ppcx"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-106505","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Analyzed","weaknesses":["CWE-426","CWE-436"],"productCriteria":["cpe:2.3:a:linuxfoundation:backstage_plugin-techdocs-node:*:*:*:*:*:*:*:*","cpe:2.3:a:linuxfoundation:backstage:*:*:*:*:*:*:*:*","cpe:2.3:a:linuxfoundation:backstage:1.51.0:-:*:*:*:*:*:*","cpe:2.3:a:linuxfoundation:backstage:1.51.0:next0:*:*:*:*:*:*","cpe:2.3:a:linuxfoundation:backstage:1.51.0:next1:*:*:*:*:*:*","cpe:2.3:a:linuxfoundation:backstage:1.51.0:next2:*:*:*:*:*:*","cpe:2.3:a:linuxfoundation:backstage:1.51.0:next3:*:*:*:*:*:*"],"sourceDates":{"published":"2026-10-06T22:17:05.837","lastModified":"2026-10-09T17:58:21.970"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2026-106505","identifiers":["CVE-2026-106505"]},"retained":false,"historicalAffected":[]}],"coverage":[]}