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CVE-2026-106510

Backstage: Remote code execution via crafted markdown_extensions in TechDocs mkdocs.yml PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / productVersions
backstage / backstageaffected < 1.50.5; affected >= 1.51.0-next.0, < 1.54.6
@backstage / plugin-techdocs-nodeaffected < 1.14.6; affected >= 1.15.0, < 1.15.4

CWE

CWE-183, CWE-470

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.