PT-2026-107302

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 contains a flaw in the techdocs backend that allows a bypass of the mkdocs configuration sanitizer. Users capable of...

PT-2026-107305

Name of the Vulnerable Software and Affected Versions Backstage versions prior to 1.15.4 Description The @backstage/plugin-techdocs-node package allows potential file exposure when the local TechDocs publisher is used via the techdocs.publisher.type variable set to 'local'. In this configuration,...

PT-2026-107244

Name of the Vulnerable Software and Affected Versions @backstage/plugin-techdocs-node versions 0.11.12 through 1.14.6 @backstage/plugin-techdocs-node versions 1.15.0 through 1.15.4 Description Improper validation of mkdocs plugin configuration in techdocs allows an authenticated attacker with...

CVE-2026-106507: Improper Link Resolution Before File Access

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...

PT-2026-107304

Name of the Vulnerable Software and Affected Versions Backstage versions prior to 1.15.4 Description The @backstage/plugin-techdocs-node package contains an arbitrary file read flaw. Unsafe path resolution during the handling of the TechDocs source tree allows an authenticated user with permissio...

CVE-2026-106509: Improper Control of Generation of Code

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-2026-106505: Untrusted Search Path

Backstage is an open framework for building developer portals. Prior to 1.14.6 and 1.15.4, the @backstage/plugin-techdocs-node package is affected by bypass of mkdocs configuration sanitizer in techdocs backend. Users with the ability to commit changes to a repository that uses TechDocs can...

CVE-2026-88064

Backstage is an open framework for building developer portals. Prior to 1.14.6 and from 1.15.0 until 1.15.4, the @backstage/plugin-techdocs-node package insufficiently validates mkdocs.yml supplied by an authenticated user who can register or modify a TechDocs source. Unsafe Python YAML tags,...

CVE-2026-88064

Backstage is an open framework for building developer portals. Prior to 1.14.6 and from 1.15.0 until 1.15.4, the @backstage/plugin-techdocs-node package insufficiently validates mkdocs.yml supplied by an authenticated user who can register or modify a TechDocs source. Unsafe Python YAML tags,...

CVE-2026-88064: Improper Input Validation

Backstage is an open framework for building developer portals. Prior to 1.14.6 and from 1.15.0 until 1.15.4, the @backstage/plugin-techdocs-node package insufficiently validates mkdocs.yml supplied by an authenticated user who can register or modify a TechDocs source. Unsafe Python YAML tags,...

PT-2026-93759

Name of the Vulnerable Software and Affected Versions Backstage versions prior to 1.14.6 Backstage versions 1.15.0 through 1.15.4 Description The @backstage/plugin-techdocs-node package insufficiently validates the mkdocs.yml file provided by an authenticated user with permissions to register or...

CVE-2026-29186

Backstage is an open framework for building developer portals. Prior to version 1.14.3, this is a configuration bypass vulnerability that enables arbitrary code execution. The @backstage/plugin-techdocs-node package uses an allowlist to filter dangerous MkDocs configuration keys during the...

CVE-2026-29186: Unrestricted Upload of File with Dangerous Type

Backstage is an open framework for building developer portals. Prior to version 1.14.3, this is a configuration bypass vulnerability that enables arbitrary code execution. The @backstage/plugin-techdocs-node package uses an allowlist to filter dangerous MkDocs configuration keys during the...

CVE-2026-25152 @backstage/plugin-techdocs-node vulnerable to possible Path Traversal in TechDocs Local Generator

Backstage is an open framework for building developer portals, and @backstage/plugin-techdocs-node provides common node.js functionalities for TechDocs. In versions of @backstage/plugin-techdocs-node prior to 1.13.11 and 1.14.1, a path traversal vulnerability in the TechDocs local generator allow...

CVE-2026-25152

Backstage is an open framework for building developer portals, and @backstage/plugin-techdocs-node provides common node.js functionalities for TechDocs. In versions of @backstage/plugin-techdocs-node prior to 1.13.11 and 1.14.1, a path traversal vulnerability in the TechDocs local generator allow...

CVE-2026-25153

Backstage is an open framework for building developer portals, and @backstage/plugin-techdocs-node provides common node.js functionalities for TechDocs. In versions of @backstage/plugin-techdocs-node prior to 1.13.11 and 1.14.1, when TechDocs is configured with "runIn: local", a malicious actor w...

CVE-2026-25152: Improper Limitation of a Pathname to a Restricted Directory

Backstage is an open framework for building developer portals, and @backstage/plugin-techdocs-node provides common node.js functionalities for TechDocs. In versions of @backstage/plugin-techdocs-node prior to 1.13.11 and 1.14.1, a path traversal vulnerability in the TechDocs local generator allow...

CVE-2026-25153: Improper Control of Generation of Code

Backstage is an open framework for building developer portals, and @backstage/plugin-techdocs-node provides common node.js functionalities for TechDocs. In versions of @backstage/plugin-techdocs-node prior to 1.13.11 and 1.14.1, when TechDocs is configured with runIn: local, a malicious actor who...

PT-2022-28193

Name of the Vulnerable Software and Affected Versions @backstage/plugin-techdocs-node versions prior to 1.1.2 Description A malicious actor with the ability to register entities in the Software Catalog can write files to arbitrary paths on the techdocs backend host instance when...