CVE-2026-106505: Backstage: 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.
References
- github.com/advisories/GHSA-p75x-jh7p-ppcx
- github.com/backstage/backstage/commit/a7d995f11a5d27f0efbdbe8bb6c21b06988c79c9
- github.com/backstage/backstage/commit/ef92d3d2b76046205c580e7152956514c15640db
- github.com/backstage/backstage/releases/tag/v1.50.5
- github.com/backstage/backstage/releases/tag/v1.54.6
- github.com/backstage/backstage/security/advisories/GHSA-p75x-jh7p-ppcx
- nvd.nist.gov/vuln/detail/CVE-2026-106505
Code Behaviors & Features
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