CVE Watch13 de out. de 2026

CVE-2026-106558

Backstage is an open framework for building developer portals. Prior to 1.14.8, 1.15.6, and 2.0.1, the @backstage/plugin-techdocs-node packa

CVSS

8.8

Alta

EPSS

0.5%

p41

KEV

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Exploit Today

0-100

Publicado: 7 de out. de 2026 · Última mod.: 13 de out. de 2026 · CWE-502

EPSS · 30d

0.5%EPSS · 30 dias0.5%

2026-10-082026-11-05

Descrição técnica

Backstage is an open framework for building developer portals. Prior to 1.14.8, 1.15.6, and 2.0.1, the @backstage/plugin-techdocs-node package improperly validated mapping-style markdown_extensions configuration. An authenticated attacker who can register or influence an SCM-backed documentation source may bypass TechDocs sanitization and cause Python objects to be imported and instantiated in the generator runtime, leading to arbitrary code execution. Earlier fixes in versions 1.14.6 and 1.15.4 did not fully address the supported mapping representation of markdown_extensions. Impact is greatest when documentation generation runs with backend credentials, filesystem access, or internal network access. This issue is fixed in versions 1.14.8, 1.15.6, and 2.0.1.

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