CVE-2026-106505highCWE-426CWE-436

CVE-2026-106505: fallo de gravedad alta en backstage

Backstage: Bypass of MkDocs configuration sanitizer in TechDocs backend

Publicada el · Actualizada el

21Vexday Risk Score

Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.

ssvc Trackcvss 7.7epss 0.3%
probabilidad de explotación
0.3%top 82% de las CVE
explotación observada
noninguna fuente lo reporta
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.
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:L
Productos afectados
@backstage · plugin-techdocs-nodebackstage · backstage
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Referencias
https://github.com/backstage/backstage/commit/a7d995f11a5d27f0efbdbe8bb6c21b06988c79c9https://github.com/backstage/backstage/commit/ef92d3d2b76046205c580e7152956514c15640dbhttps://github.com/backstage/backstage/releases/tag/v1.50.5https://github.com/backstage/backstage/releases/tag/v1.54.6https://github.com/backstage/backstage/security/advisories/GHSA-p75x-jh7p-ppcx