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

The Backstage developer portal framework is vulnerable in versions prior to 1.14.8 , 1.15.6 , and 2.0.1 due to improper validation of mapping-style markdown_extensions configuration in the @backstage/plugin-techdocs-node package. An authenticated attacker capable of influencing an SCM-backed docu...

CVE-2026-106556 Backstage: Configuration bypass in TechDocs mkdocs.yml sanitization

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...

EUVD-2026-94370

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...

CVE-2026-106556

The Backstage open framework for developer portals is vulnerable to a configuration bypass in the @backstage/plugin-techdocs-node package prior to versions 1.14.6 and 1.15.4 . The root cause is insufficient validation of MkDocs configuration during TechDocs generation. An authenticated user with ...

CVE-2026-106556 Backstage: Configuration bypass in TechDocs mkdocs.yml sanitization

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...

CVE-2026-106510

The Backstage open framework for developer portals is vulnerable to remote code execution in versions prior to 1.14.6 . The flaw exists in the @backstage/plugin-techdocs-node package, where an authenticated user capable of registering catalog entities can provide a crafted mkdocs.yml file. This i...

EUVD-2026-94369

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...

CVE-2026-106510 Backstage: Remote code execution via crafted markdown_extensions in TechDocs mkdocs.yml

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...

CVE-2026-106510 Backstage: Remote code execution via crafted markdown_extensions in TechDocs mkdocs.yml

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...

CVE-2026-106510 Backstage: Remote code execution via crafted markdown_extensions in TechDocs mkdocs.yml

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...

CVE-2026-106509

A flaw was found in the Backstage plugin-techdocs-node package. When TechDocs is configured to build documentation locally or within a container, an authenticated user with write access to a registered repository can submit malicious configuration values within the MkDocs theme settings. This fla...

CVE-2026-106455

A flaw was found in the Backstage @backstage/plugin-techdocs-node package. This vulnerability allows information disclosure when an authenticated attacker with control over a TechDocs documentation repository exploits improper validation of MkDocs plugin configurations. During documentation build...

PT-2026-107532

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...

PT-2026-107582

Name of the Vulnerable Software and Affected Versions Backstage versions prior to 1.14.6 Backstage versions prior to 1.15.4 Description The @backstage/plugin-techdocs-node package fails to sufficiently validate TechDocs Markdown extension configuration. An authenticated user with permissions to...

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...

PT-2026-107531

Name of the Vulnerable Software and Affected Versions Backstage versions prior to 1.14.6 Backstage versions prior to 1.15.4 Description The @backstage/plugin-techdocs-node package allows remote code execution through crafted markdown extensions within the mkdocs.yml file. An authenticated user wi...

CVE-2026-106508

Backstage is an open framework for building developer portals. Prior to 1.15.4, the @backstage/plugin-techdocs-node package is affected by potential file exposure through local techdocs publisher. When using the local TechDocs publisher techdocs.publisher.type: 'local', it was possible for the...

CVE-2026-106509

Backstage is an open framework for building developer portals. Prior to 1.14.6, the @backstage/plugin-techdocs-node package is affected by improper validation of mkdocs theme configuration in techdocs. When TechDocs is configured to build documentation locally or in a container, a user with write...

CVE-2026-106507

Backstage is an open framework for building developer portals. Prior to 1.15.4, the @backstage/plugin-techdocs-node package is affected by techdocs arbitrary file read via mkdocs snippets. Unsafe path resolution in TechDocs source tree handling allows an authenticated user who can register...