CVE-2026-106505

A flaw was found in the plugin-techdocs-node component of Backstage. This vulnerability allows an attacker with permission to commit changes to a repository utilizing TechDocs to bypass the MkDocs configuration sanitizer. By supplying a crafted configuration file, the attacker can achieve arbitra...

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...

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...

CVE-2026-106505

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-2026-106509

The Backstage open framework for developer portals is vulnerable due to improper validation of MkDocs theme configuration within the @backstage/plugin-techdocs-node package. A user with write access to a registered repository can inject malicious configuration values into mkdocs.yml , leading to ...

CVE-2026-106509 Backstage: Improper validation of MkDocs theme configuration in TechDocs

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-2026-106508

The Backstage framework, specifically the @backstage/plugin-techdocs-node package, is vulnerable to potential file exposure in versions prior to 1.15.4 . When utilizing the local TechDocs publisher (techdocs.publisher.type: 'local'), the documentation serving endpoint may follow filesystem refere...

CVE-2026-106507 Backstage: TechDocs arbitrary file read via mkdocs snippets

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...

CVE-2026-106507

The Backstage framework is vulnerable to an arbitrary file read via mkdocs snippets in the @backstage/plugin-techdocs-node package prior to version 1.15.4 . The root cause is unsafe path resolution during TechDocs source tree handling, which allows an authenticated user capable of registering doc...

CVE-2026-106505

The @backstage/plugin-techdocs-node package in the Backstage framework is vulnerable to a bypass of the MkDocs configuration sanitizer in the TechDocs backend. Affected versions are those prior to 1.14.6 and 1.15.4 . An attacker with permissions to commit changes to a repository using TechDocs ca...

CVE-2026-106505 Backstage: Bypass of MkDocs configuration sanitizer in TechDocs backend

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-2026-106455

Backstage is an open framework for building developer portals. From 0.11.12 until 1.14.7 and 1.15.5, the @backstage/plugin-techdocs-node package is affected by improper validation of mkdocs plugin configuration in techdocs. An authenticated attacker with control over a TechDocs source repository...

CVE-2026-106455

The @backstage/plugin-techdocs-node package in Backstage (versions 0.11.12 through 1.14.7 and 1.15.5) is vulnerable to CWE-918 (Server-Side Request Forgery) due to improper validation of MkDocs plugin configurations. An authenticated attacker with control over a TechDocs source repository can tri...

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: Improper input validation in TechDocs MkDocs configuration

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,...

EUVD-2026-80784

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

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,...