MinorCritical vulnerability

CVE-2026-106510 (CVSS 7.7)

NVD · officialPublished Oct 7, 2026Risk 23/100

Backstage is an open framework for building developer portals. Prior to 1.14.6, the @backstage/plugin-techdocs-node package is affected by remote code execution via crafted markdown_extensions in techdocs mkdocs.yml. An authenticated user who can register catalog entities can provide a crafted mkdocs.yml causing arbitrary OS command execution on the TechDocs build host when the docs are built. This issue is fixed in versions 1.14.6 and 1.15.4.

Technical details

CVSS

7.7

AV:NetworkAC:HighPR:LowUI:NoneC:HighI:LowA:Low

Evidence and sources

This record is attributed to NVD. Exploitation status and remediation guidance are kept separate from the vulnerability's technical severity.

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