CVE-2026-106505 Backstage @backstage/plugin-techdocs-node - Remote Code Execution

Backstage @backstage/plugin-techdocs-node < 1.14.6 and < 1.15.4 contains a remote code execution caused by bypass of MkDocs configuration sanitizer in techdocs backend, letting users with commit access execute arbitrary code during documentation generation, exploit requires commit access to repository.

CVSS base score 7.7 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.31% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Remote Code Execution
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:L
Published
6 October 2026
Updated
15 October 2026
Weakness
CWE-426

Vendor fix

Update to versions 1.14.6 or 1.15.4 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

← All CVEs