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CVE-2026-106556

7.7 high SSVC exploitation: none Analyzed
NVD · CVE.org

Backstage is an open framework for building developer portals. Prior to 1.14.6, the @backstage/plugin-techdocs-node package is affected by configuration bypass in techdocs mkdocs.yml sanitization. Insufficient validation of MkDocs configuration during TechDocs generation could allow an authenticated user who can register or modify documentation sources to execute arbitrary commands in the build environment. Impact is limited to resources accessible to the TechDocs backend or build container. This issue is fixed in versions 1.14.6 and 1.15.4.

Fix

Patch, vendor advisory and mitigation references on NVD 5

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 7.7 · linuxfoundationNVD modified 2026-10-13 14:25

Affected (CPE criteria) 7

  • 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:*:*:*:*:*:*
  • cpe:2.3:a:linuxfoundation:backstage_plugin-techdocs-node:*:*:*:*:*:*:*:*

References 5