@backstage/plugin-search-backend-module-techdocs (>=0.0.0-nightly-20260415031804, <=0.4.18-next.0), @backstage/plugin-techdocs-backend (>=0.0.0-nightly-2021111822616, <=2.2.3-next.1) +2 more potentially affected by CVE-2026-106510 via @backstage/plugin-techdocs-node (>=1.0.0, <=1.15.3)

@backstage/plugin-techdocs-node NPM version =1.0.0, =0.0.0-nightly-20260415031804, =0.0.0-nightly-2021111822616, =0.11.13, =0.0.0-nightly-2021111822616, =1.11.4-next.0 Source cves: CVE-2026-106510 Source advisory: OSV:GHSA-4488-J8VJ-VQQV...

@backstage/plugin-search-backend-module-techdocs (>=0.0.0-nightly-20260415031804, <=0.4.18-next.0), @backstage/plugin-techdocs-backend (>=0.0.0-nightly-2021111822616, <=2.2.3-next.1) +2 more potentially affected by CVE-2026-106510 via @backstage/plugin-techdocs-node (>=1.0.0, <=1.15.3)

@backstage/plugin-techdocs-node NPM version =1.0.0, =0.0.0-nightly-20260415031804, =0.0.0-nightly-2021111822616, =0.11.13, =0.0.0-nightly-2021111822616, =1.11.4-next.0 Source cves: CVE-2026-106510 Source advisory: GHSA-4488-J8VJ-VQQV...

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

Impact 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. Patches Patched in @backstage/plugin-techdocs-node, version 1.15.4. Workarounds If you cannot upgrade...

GHSA-4488-J8VJ-VQQV Backstage: Remote code execution via crafted markdown_extensions in TechDocs mkdocs.yml

Impact 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. Patches Patched in @backstage/plugin-techdocs-node, version 1.15.4. Workarounds If you cannot upgrade...

@backstage/plugin-search-backend-module-techdocs (>=0.0.0-nightly-20260415031804, <=0.4.18-next.0), @backstage/plugin-techdocs-backend (>=0.0.0-nightly-2021111822616, <=2.2.3-next.1) +2 more potentially affected by CVE-2026-106558 via @backstage/plugin-techdocs-node (>=1.0.0, <=1.15.3)

@backstage/plugin-techdocs-node NPM version =1.0.0, =0.0.0-nightly-20260415031804, =0.0.0-nightly-2021111822616, =0.11.13, =0.0.0-nightly-2021111822616, =1.11.4-next.0 Source cves: CVE-2026-106558 Source advisory: OSV:GHSA-QMW3-745M-W99G...

@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-2026-106558 via @backstage/plugin-techdocs-node (>=1.0.0, <=1.14.6-next.0)

@backstage/plugin-techdocs-node NPM version =1.0.0, =0.0.0-nightly-20260415031804, =0.0.0-nightly-2021111822616, =0.11.13, =0.0.0-nightly-2021111822616, =1.10.8-next.0 Source cves: CVE-2026-106558 Source advisory: SNYK:JS-BACKSTAGEPLUGINTECHDOCSNODE-20825497...

@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-2026-106558 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-2026-106558 Source advisory: SNYK:JS-BACKSTAGEPLUGINTECHDOCSNODE-20825497...

@backstage/plugin-search-backend-module-techdocs (0.4.19-next.0), @backstage/plugin-techdocs-backend (2.3.1-next.0) +1 more potentially affected by CVE-2026-106558 via @backstage/plugin-techdocs-node (2.0.1-next.0)

@backstage/plugin-techdocs-node NPM version 2.0.1-next.0 is affected by a known vulnerability. The following packages have a transitive dependency on @backstage/plugin-techdocs-node and may be impacted: - @backstage/plugin-search-backend-module-techdocs 0.4.19-next.0 -...

GHSA-QMW3-745M-W99G Backstage: Improper validation of TechDocs MkDocs configuration

Impact An attacker who can provide configuration to a TechDocs build may execute code in the generator runtime. Impact is greatest when documentation generation runs with backend credentials or host access. Patches Patched in @backstage/plugin-techdocs-node version 1.15.4. Workarounds Use externa...

Backstage: Improper validation of TechDocs MkDocs configuration

Impact An attacker who can provide configuration to a TechDocs build may execute code in the generator runtime. Impact is greatest when documentation generation runs with backend credentials or host access. Patches Patched in @backstage/plugin-techdocs-node version 1.15.4. Workarounds Use externa...

@backstage/plugin-search-backend-module-techdocs (>=0.0.0-nightly-20260415031804, <=0.4.18-next.0), @backstage/plugin-techdocs-backend (>=0.0.0-nightly-2021111822616, <=2.2.3-next.1) +2 more potentially affected by CVE-2026-106558 via @backstage/plugin-techdocs-node (>=1.0.0, <=1.15.3)

@backstage/plugin-techdocs-node NPM version =1.0.0, =0.0.0-nightly-20260415031804, =0.0.0-nightly-2021111822616, =0.11.13, =0.0.0-nightly-2021111822616, =1.11.4-next.0 Source cves: CVE-2026-106558 Source advisory: GHSA-QMW3-745M-W99G...

Deserialization of Untrusted Data

Overview @backstage/plugin-techdocs-node is a Common node.js functionalities for TechDocs, to be shared between techdocs-backend plugin and techdocs-cli Affected versions of this package are vulnerable to Deserialization of Untrusted Data in sanitizeMkdocsYml within mkdocsPatchers.ts via malforme...

Backstage: Improper input validation in Confluence to Markdown scaffolder module

Impact Insufficient input validation in the Confluence to Markdown scaffolder module could allow an attacker to influence file write operations during template execution. Exploitation requires a Backstage user to run a template that processes attacker-influenced Confluence content. Patches Patche...

GHSA-75QF-886X-5XF2 Backstage: Improper input validation in Confluence to Markdown scaffolder module

Impact Insufficient input validation in the Confluence to Markdown scaffolder module could allow an attacker to influence file write operations during template execution. Exploitation requires a Backstage user to run a template that processes attacker-influenced Confluence content. Patches Patche...

External Control of File Name or Path

Overview @backstage/plugin-scaffolder-backend-module-confluence-to-markdown is a The confluence-to-markdown module for @backstage/plugin-scaffolder-backend Affected versions of this package are vulnerable to External Control of File Name or Path via the getAndWriteAttachments function in...

GHSA-2CMG-V53W-8XFP Backstage: Improper repository path validation in a Scaffolder backend module

Impact An authenticated user who can execute an affected template and control its repository file location may cause generated content to be written outside the task workspace, within locations writable by the Backstage backend process. Patches Patched in...

Backstage: Improper repository path validation in a Scaffolder backend module

Impact An authenticated user who can execute an affected template and control its repository file location may cause generated content to be written outside the task workspace, within locations writable by the Backstage backend process. Patches Patched in...

Directory Traversal

Overview @backstage/plugin-scaffolder-backend-module-confluence-to-markdown is a The confluence-to-markdown module for @backstage/plugin-scaffolder-backend Affected versions of this package are vulnerable to Directory Traversal via parsedRepoUrl.filepath in confluenceToMarkdown.ts, where...

GHSA-9325-VQ29-GP3V Backstage has incorrect authorization in search engine permission filtering

Impact An authenticated Backstage user subject to a DENY policy for search document types could receive search results they were not authorized to view. This affects deployments with permission.enabled: true and an Elasticsearch or OpenSearch search backend. Patches - Upgrade...

Backstage has incorrect authorization in search engine permission filtering

Impact An authenticated Backstage user subject to a DENY policy for search document types could receive search results they were not authorized to view. This affects deployments with permission.enabled: true and an Elasticsearch or OpenSearch search backend. Patches - Upgrade...