PT-2026-107304

Name of the Vulnerable Software and Affected Versions Backstage versions prior to 1.15.4 Description The @backstage/plugin-techdocs-node package contains an arbitrary file read flaw. Unsafe path resolution during the handling of the TechDocs source tree allows an authenticated user with permissio...

CVE-2026-106505: Untrusted Search Path

Backstage is an open framework for building developer portals. Prior to 1.14.6 and 1.15.4, the @backstage/plugin-techdocs-node package is affected by bypass of mkdocs configuration sanitizer in techdocs backend. Users with the ability to commit changes to a repository that uses TechDocs can...

CVE-2026-106455: Server-Side Request Forgery (SSRF)

Backstage is an open framework for building developer portals. From 0.11.12 until 1.14.7 and 1.15.5, the @backstage/plugin-techdocs-node package is affected by improper validation of mkdocs plugin configuration in techdocs. An authenticated attacker with control over a TechDocs source repository...

CVE-2026-106509: Improper Control of Generation of Code

Backstage is an open framework for building developer portals. Prior to 1.14.6, the @backstage/plugin-techdocs-node package is affected by improper validation of mkdocs theme configuration in techdocs. When TechDocs is configured to build documentation locally or in a container, a user with write...

PT-2026-107244

Name of the Vulnerable Software and Affected Versions @backstage/plugin-techdocs-node versions 0.11.12 through 1.14.6 @backstage/plugin-techdocs-node versions 1.15.0 through 1.15.4 Description Improper validation of mkdocs plugin configuration in techdocs allows an authenticated attacker with...

PT-2026-107310

Name of the Vulnerable Software and Affected Versions Backstage versions prior to 1.14.6 Description The @backstage/plugin-techdocs-node package fails to properly validate the mkdocs theme configuration. When TechDocs is configured to build documentation locally or within a container, an attacker...

PT-2026-107302

Name of the Vulnerable Software and Affected Versions Backstage versions prior to 1.14.6 Backstage versions prior to 1.15.4 Description The @backstage/plugin-techdocs-node package contains a flaw in the techdocs backend that allows a bypass of the mkdocs configuration sanitizer. Users capable of...

CVE-2026-88064

Backstage is an open framework for building developer portals. Prior to 1.14.6 and from 1.15.0 until 1.15.4, the @backstage/plugin-techdocs-node package insufficiently validates mkdocs.yml supplied by an authenticated user who can register or modify a TechDocs source. Unsafe Python YAML tags,...

EUVD-2026-80784

Backstage is an open framework for building developer portals. Prior to 1.14.6 and from 1.15.0 until 1.15.4, the @backstage/plugin-techdocs-node package insufficiently validates mkdocs.yml supplied by an authenticated user who can register or modify a TechDocs source. Unsafe Python YAML tags,...

@backstage/plugin-search-backend-module-techdocs (>=0.0.0-nightly-20260415031804, <=0.4.14-next.0), @backstage/plugin-techdocs-backend (>=0.0.0-nightly-2021111822616, <=2.1.8-next.0) +2 more potentially affected by CVE-2026-88064 via @backstage/plugin-techdocs-node (>=0.11.12, <=1.14.6-next.0)

@backstage/plugin-techdocs-node NPM version =0.11.12, =0.0.0-nightly-20260415031804, =0.0.0-nightly-2021111822616, =0.11.12-next.0, =0.0.0-nightly-2021111822616, =1.10.8-next.0 Source cves: CVE-2026-88064 Source advisory: MEND:CVE-2026-88064...

@backstage/plugin-search-backend-module-techdocs (>=0.0.0-nightly-20260822023239, <=0.4.18-next.0), @backstage/plugin-techdocs-backend (>=0.0.0-nightly-20260827035829, <=2.2.3-next.1) +1 more potentially affected by CVE-2026-88064 via @backstage/plugin-techdocs-node (>=1.15.1-next.0, <=1.15.3)

@backstage/plugin-techdocs-node NPM version =1.15.1-next.0, =0.0.0-nightly-20260822023239, =0.0.0-nightly-20260827035829, =0.0.0-nightly-20260823023807, =1.11.4-next.0 Source cves: CVE-2026-88064 Source advisory: MEND:CVE-2026-88064...

CVE-2026-88064

Backstage is an open framework for building developer portals. Prior to 1.14.6 and from 1.15.0 until 1.15.4, the @backstage/plugin-techdocs-node package insufficiently validates mkdocs.yml supplied by an authenticated user who can register or modify a TechDocs source. Unsafe Python YAML tags,...

CVE-2026-88064 Backstage: Improper input validation in TechDocs MkDocs configuration

Backstage is an open framework for building developer portals. Prior to 1.14.6 and from 1.15.0 until 1.15.4, the @backstage/plugin-techdocs-node package insufficiently validates mkdocs.yml supplied by an authenticated user who can register or modify a TechDocs source. Unsafe Python YAML tags,...

CVE-2026-88064

Backstage is an open-source framework for building developer portals. The @backstage/plugin-techdocs-node package, prior to 1.14.6 and from 1.15.0 until 1.15.4, insufficiently validates mkdocs.yml files supplied by an authenticated user who can register or modify a TechDocs source. Unsafe Python ...

CVE-2026-88064 Backstage: Improper input validation in TechDocs MkDocs configuration

Backstage is an open framework for building developer portals. Prior to 1.14.6 and from 1.15.0 until 1.15.4, the @backstage/plugin-techdocs-node package insufficiently validates mkdocs.yml supplied by an authenticated user who can register or modify a TechDocs source. Unsafe Python YAML tags,...

CVE-2026-88064: Improper Input Validation

Backstage is an open framework for building developer portals. Prior to 1.14.6 and from 1.15.0 until 1.15.4, the @backstage/plugin-techdocs-node package insufficiently validates mkdocs.yml supplied by an authenticated user who can register or modify a TechDocs source. Unsafe Python YAML tags,...

PT-2026-93759

Name of the Vulnerable Software and Affected Versions Backstage versions prior to 1.14.6 Backstage versions 1.15.0 through 1.15.4 Description The @backstage/plugin-techdocs-node package insufficiently validates the mkdocs.yml file provided by an authenticated user with permissions to register or...

mkdocs-techdocs-core (1.6.2) potentially affected by CVE-2026-67422 via pymdown-extensions (10.21.2)

pymdown-extensions PYPI version 10.21.2 is affected by a known vulnerability. The following packages have a transitive dependency on pymdown-extensions and may be impacted: - mkdocs-techdocs-core 1.6.2 Source cves: CVE-2026-67422 Source advisory: OSV:PYSEC-2026-3654...

bestatic (>=0.0.34, <=0.0.36), mkdocs-techdocs-core (1.6.1) +1 more potentially affected by CVE-2026-67422 via pymdown-extensions (10.19.1)

pymdown-extensions PYPI version 10.19.1 is affected by a known vulnerability. The following packages have a transitive dependency on pymdown-extensions and may be impacted: - bestatic =0.0.34, =0.6.42, =0.6.43 Source cves: CVE-2026-67422 Source advisory: OSV:PYSEC-2026-3654...

mkdocs-techdocs-core (>=1.5.3, <=1.5.4), mkdocs-zettelkasten (>=0.2.1, <=0.3.1) potentially affected by CVE-2026-67422 via pymdown-extensions (10.14.3)

pymdown-extensions PYPI version 10.14.3 is affected by a known vulnerability. The following packages have a transitive dependency on pymdown-extensions and may be impacted: - mkdocs-techdocs-core =1.5.3, =0.2.1, =0.3.1 Source cves: CVE-2026-67422 Source advisory: OSV:PYSEC-2026-3654...