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Vulnerability details: VCID-f9zu-z698-tyca
Vulnerability ID VCID-f9zu-z698-tyca
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
epss 0.00025 https://api.first.org/data/v1/epss?cve=CVE-2026-25153
cvssv3.1_qr HIGH https://github.com/advisories/GHSA-6jr7-99pf-8vgf
cvssv3.1_qr HIGH https://github.com/backstage/backstage/security/advisories/GHSA-6jr7-99pf-8vgf
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2026-25153
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.
Exploit Prediction Scoring System (EPSS)
Percentile 0.077
EPSS Score 0.00025
Published At May 30, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-05-30T21:06:13.466634+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