CVE-2026-106558

A flaw was found in @backstage/plugin-techdocs-node. An authenticated attacker with permissions to register or modify documentation in a source code management SCM repository can bypass configuration sanitization checks. By providing a crafted markdown extension configuration, the attacker can...

GHSA-QMW3-745M-W99G Backstage: Improper validation of TechDocs MkDocs configuration

Impact An attacker who can provide configuration to a TechDocs build may execute code in the generator runtime. Impact is greatest when documentation generation runs with backend credentials or host access. Patches Patched in @backstage/plugin-techdocs-node version 1.15.4. Workarounds Use externa...

CVE-2026-106558

Backstage is an open framework for building developer portals. Prior to 1.14.8, 1.15.6, and 2.0.1, the @backstage/plugin-techdocs-node package improperly validated mapping-style markdownextensions configuration. An authenticated attacker who can register or influence an SCM-backed documentation...

CVE-2026-106558 Backstage: Improper validation of TechDocs MkDocs configuration

Backstage is an open framework for building developer portals. Prior to 1.14.8, 1.15.6, and 2.0.1, the @backstage/plugin-techdocs-node package improperly validated mapping-style markdownextensions configuration. An authenticated attacker who can register or influence an SCM-backed documentation...

CVE-2026-106558 Backstage: Improper validation of TechDocs MkDocs configuration

Backstage is an open framework for building developer portals. Prior to 1.14.8, 1.15.6, and 2.0.1, the @backstage/plugin-techdocs-node package improperly validated mapping-style markdownextensions configuration. An authenticated attacker who can register or influence an SCM-backed documentation...

CVE-2026-106558 Backstage: Improper validation of TechDocs MkDocs configuration

Backstage is an open framework for building developer portals. Prior to 1.14.8, 1.15.6, and 2.0.1, the @backstage/plugin-techdocs-node package improperly validated mapping-style markdownextensions configuration. An authenticated attacker who can register or influence an SCM-backed documentation...

PT-2026-107533

Name of the Vulnerable Software and Affected Versions @backstage/plugin-techdocs-node versions prior to 1.14.8 @backstage/plugin-techdocs-node versions prior to 1.15.6 @backstage/plugin-techdocs-node versions prior to 2.0.1 Description The @backstage/plugin-techdocs-node package improperly...