CVE-2026-106510

A flaw was found in plugin-techdocs-node. An authenticated attacker with permissions to register catalog entities can achieve arbitrary code execution by submitting a crafted documentation configuration file. When the documentation is built, the malicious markdown extensions setting triggers...

CVE-2026-106556

A flaw was found in the Backstage plugin-techdocs-node component. Insufficient validation of documentation configuration files during documentation generation allows sanitization checks to be bypassed. An authenticated user with permission to register or modify documentation sources can exploit...

EUVD-2026-93986

Backstage: Improper validation of MkDocs plugin configuration in TechDocs...

Backstage: Improper validation of MkDocs plugin configuration in TechDocs

Impact An authenticated attacker with control over a TechDocs source repository could cause a documentation build to retrieve and publish data from network locations reachable by the build environment. Exposure depends on deployment topology, build mode, and target endpoint protections. Modern...

GHSA-Q38J-6VCM-2F5M Backstage: Improper validation of MkDocs plugin configuration in TechDocs

Impact An authenticated attacker with control over a TechDocs source repository could cause a documentation build to retrieve and publish data from network locations reachable by the build environment. Exposure depends on deployment topology, build mode, and target endpoint protections. Modern...

Backstage: Remote code execution via crafted markdown_extensions in TechDocs mkdocs.yml

Impact An authenticated user who can register catalog entities can provide a crafted mkdocs.yml causing arbitrary OS command execution on the TechDocs build host when the docs are built. Patches Patched in @backstage/plugin-techdocs-node, version 1.15.4. Workarounds If you cannot upgrade...

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...

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-2026-106557

Backstage is an open framework for building developer portals. Prior to 1.14.6 and 1.15.4, the @backstage/plugin-techdocs-node package did not sufficiently validate TechDocs Markdown extension configuration. An authenticated user who can register or modify documentation sources may cause a TechDo...

Backstage: Bypass of MkDocs configuration sanitizer in TechDocs backend

Impact 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. Patches Patched...

EUVD-2026-94070

Backstage: Bypass of MkDocs configuration sanitizer in TechDocs backend...

EUVD-2026-94073

Backstage has potential file exposure through local TechDocs publisher...

EUVD-2026-94074

Backstage: Improper validation of MkDocs theme configuration in TechDocs...

CVE-2026-106557

The Backstage framework (versions prior to 1.14.6 and 1.15.4 ) is vulnerable to improper input validation within the @backstage/plugin-techdocs-node package. An authenticated user capable of registering or modifying documentation sources can trigger a TechDocs build that accesses resources outsid...

CVE-2026-106557 Backstage: Improper input validation in TechDocs Markdown extension configuration

Backstage is an open framework for building developer portals. Prior to 1.14.6 and 1.15.4, the @backstage/plugin-techdocs-node package did not sufficiently validate TechDocs Markdown extension configuration. An authenticated user who can register or modify documentation sources may cause a TechDo...

CVE-2026-106557 Backstage: Improper input validation in TechDocs Markdown extension configuration

Backstage is an open framework for building developer portals. Prior to 1.14.6 and 1.15.4, the @backstage/plugin-techdocs-node package did not sufficiently validate TechDocs Markdown extension configuration. An authenticated user who can register or modify documentation sources may cause a TechDo...

CVE-2026-106557 Backstage: Improper input validation in TechDocs Markdown extension configuration

Backstage is an open framework for building developer portals. Prior to 1.14.6 and 1.15.4, the @backstage/plugin-techdocs-node package did not sufficiently validate TechDocs Markdown extension configuration. An authenticated user who can register or modify documentation sources may cause a TechDo...

CVE-2026-106557

Backstage is an open framework for building developer portals. Prior to 1.14.6 and 1.15.4, the @backstage/plugin-techdocs-node package did not sufficiently validate TechDocs Markdown extension configuration. An authenticated user who can register or modify documentation sources may cause a TechDo...

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-2026-106510

Backstage is an open framework for building developer portals. Prior to 1.14.6, the @backstage/plugin-techdocs-node package is affected by remote code execution via crafted markdownextensions in techdocs mkdocs.yml. An authenticated user who can register catalog entities can provide a crafted...