cvedb.io
CVE-2026-25153
HIGH · CVSS 7.7
EPSS exploitation probability: 0%
Published 2026-01-30T22:15:56.343 · Last modified 2026-06-30T03:17:41.123

Summary

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 can submit or modify a repository's `mkdocs.yml` file can execute arbitrary Python code on the TechDocs build server via MkDocs hooks configuration. @backstage/plugin-techdocs-node versions 1.13.11 and 1.14.1 contain a fix. The fix introduces an allowlist of supported MkDocs configuration keys. Unsupported configuration keys (including `hooks`) are now removed from `mkdocs.yml` before running the generator, with a warning logged to indicate which keys were removed. Users of `@techdocs/cli` shoul

Affected products

linuxfoundation — backstage

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.