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Vulnerability details: VCID-a2ex-8at2-9yeu
Vulnerability ID VCID-a2ex-8at2-9yeu
Aliases CVE-2026-25153
GHSA-6jr7-99pf-8vgf
Summary @backstage/plugin-techdocs-node vulnerable to arbitrary code execution via MkDocs hooks 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.
Status Published
Exploitability None
Weighted Severity None
Risk None
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-94 Improper Control of Generation of Code ('Code Injection')
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
There are no known severity scores.
Reference id Reference type URL
https://github.com/backstage/backstage
CVE-2026-25153 https://nvd.nist.gov/vuln/detail/CVE-2026-25153
GHSA-6jr7-99pf-8vgf https://github.com/advisories/GHSA-6jr7-99pf-8vgf
GHSA-6jr7-99pf-8vgf https://github.com/backstage/backstage/security/advisories/GHSA-6jr7-99pf-8vgf
No exploits are available.
There are no known vectors.

No EPSS data available for this vulnerability.

Date Actor Action Source VulnerableCode Version
2026-06-02T04:49:49.416456+00:00 GitLab Importer Import https://gitlab.com/gitlab-org/advisories-community/-/blob/main/npm/@backstage/plugin-techdocs-node/CVE-2026-25153.yml 38.6.0