Permissive List of Allowed Inputs

Overview @backstage/plugin-techdocs-node is a Common node.js functionalities for TechDocs, to be shared between techdocs-backend plugin and techdocs-cli Affected versions of this package are vulnerable to Permissive List of Allowed Inputs via the processing of the mkdocs.yml configuration file...

GHSA-928R-FM4V-MVRW TechDocs Mkdocs Configuration Key Enables Arbitrary Code Execution

Impact 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 documentation build process. A gap in this allowlist allows attackers to craft an...

TechDocs Mkdocs Configuration Key Enables Arbitrary Code Execution

Impact 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 documentation build process. A gap in this allowlist allows attackers to craft an...

PT-2026-23441

Name of the Vulnerable Software and Affected Versions Backstage versions prior to 1.14.3 Description Backstage, an open framework for building developer portals, contains a configuration bypass that can lead to arbitrary code execution. The @backstage/plugin-techdocs-node package uses an allowlis...

Remote Code Execution (RCE)

@backstage/plugin-techdocs-node is vulnerable to Remote Code Execution RCE. The vulnerability is due to improper sanitization of user-controlled mkdocs.yml configuration specifically MkDocs hooks when TechDocs is configured with runIn: local, which allows an attacker to execute arbitrary Python...

GHSA-6JR7-99PF-8VGF @backstage/plugin-techdocs-node vulnerable to arbitrary code execution via MkDocs hooks

Impact When TechDocs is configured with runIn: local, a malicious actor who can submit or modify a repository's mkdocs.yml file can execute arbitrary Python code on the TechDocs build server via MkDocs hooks configuration. Patches Upgrade to @backstage/plugin-techdocs-node version 1.13.11, 1.14.1...

@backstage/plugin-techdocs-node vulnerable to arbitrary code execution via MkDocs hooks

Impact When TechDocs is configured with runIn: local, a malicious actor who can submit or modify a repository's mkdocs.yml file can execute arbitrary Python code on the TechDocs build server via MkDocs hooks configuration. Patches Upgrade to @backstage/plugin-techdocs-node version 1.13.11, 1.14.1...

CVE-2026-25153

In CVE-2026-25153, versions of @backstage/plugin-techdocs-node before 1.13.11 and before 1.14.1 are vulnerable when TechDocs runs with runIn: local. A malicious actor who can submit or modify a repository’s mkdocs.yml can cause arbitrary Python code execution on the TechDocs build server via MkDo...

EUVD-2026-5004

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...

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...

Arbitrary Code Injection

Overview @backstage/plugin-techdocs-node is a Common node.js functionalities for TechDocs, to be shared between techdocs-backend plugin and techdocs-cli Affected versions of this package are vulnerable to Arbitrary Code Injection via the processing of MkDocs hooks, when TechDocs is configured wit...

CVE-2026-25153 @backstage/plugin-techdocs-node vulnerable to arbitrary code execution via MkDocs hooks

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...

CVE-2026-25153 @backstage/plugin-techdocs-node vulnerable to arbitrary code execution via MkDocs hooks

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...

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...

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...

PT-2026-5463

Name of the Vulnerable Software and Affected Versions Backstage versions prior to 1.13.11 and versions prior to 1.14.1 Description Backstage’s @backstage/plugin-techdocs-node component, used for TechDocs, is susceptible to remote code execution. When TechDocs is configured to run locally runIn:...

mkdocs-material (8.2.11), mkdocs-techdocs-bandicoot (>=1.1.7, <=1.1.9) +1 more potentially affected by CVE-2025-68142 via pymdown-extensions (9.3.0)

pymdown-extensions PYPI version 9.3.0 is affected by a known vulnerability. The following packages have a transitive dependency on pymdown-extensions and may be impacted: - mkdocs-material 8.2.11 - mkdocs-techdocs-bandicoot =1.1.7, =1.0.2, =1.1.7 Source cves: CVE-2025-68142 Source advisory:...

labext-pkg (2.1.1), mkdocs-techdocs-core (>=0.2.3, <=1.0.1) potentially affected by CVE-2025-68142 via pymdown-extensions (9.0.0)

pymdown-extensions PYPI version 9.0.0 is affected by a known vulnerability. The following packages have a transitive dependency on pymdown-extensions and may be impacted: - labext-pkg 2.1.1 - mkdocs-techdocs-core =0.2.3, =1.0.1 Source cves: CVE-2025-68142 Source advisory: OSV:GHSA-R6H4-MM7H-8PMQ...

docwriter (1.2.0), liara (>=2.0.0a1, <=2.0.0a6) +1 more potentially affected by CVE-2025-68142 via pymdown-extensions (6.2.1)

pymdown-extensions PYPI version 6.2.1 is affected by a known vulnerability. The following packages have a transitive dependency on pymdown-extensions and may be impacted: - docwriter 1.2.0 - liara =2.0.0a1, =4.5.0, =4.6.0 Source cves: CVE-2025-68142 Source advisory: OSV:GHSA-R6H4-MM7H-8PMQ...

mkdocs-techdocs-core (1.2.0) potentially affected by CVE-2025-68142 via pymdown-extensions (9.9.1)

pymdown-extensions PYPI version 9.9.1 is affected by a known vulnerability. The following packages have a transitive dependency on pymdown-extensions and may be impacted: - mkdocs-techdocs-core 1.2.0 Source cves: CVE-2025-68142 Source advisory: OSV:GHSA-R6H4-MM7H-8PMQ...