CVE WatchOct 13, 2026

CVE-2026-106556

Backstage is an open framework for building developer portals. Prior to 1.14.6, the @backstage/plugin-techdocs-node package is affected by c

CVSS

7.7

High

EPSS

0.3%

p16

KEV

—

Exploit Today

0-100

Published: Oct 7, 2026 · Last modified: Oct 13, 2026 · CWE-78 · CWE-184

EPSS · 30d

0.3%EPSS · 30 days0.3%

2026-10-082026-10-23

Technical description

Backstage is an open framework for building developer portals. Prior to 1.14.6, the @backstage/plugin-techdocs-node package is affected by configuration bypass in techdocs mkdocs.yml sanitization. Insufficient validation of MkDocs configuration during TechDocs generation could allow an authenticated user who can register or modify documentation sources to execute arbitrary commands in the build environment. Impact is limited to resources accessible to the TechDocs backend or build container. This issue is fixed in versions 1.14.6 and 1.15.4.

Official references

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