CVE-2026-106560

Description

Backstage is an open framework for building developer portals. Prior to 0.3.25, the @backstage/plugin-scaffolder-backend-module-confluence-to-markdown package is affected by improper repository path validation in a scaffolder backend module. 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. This issue is fixed in version 0.3.25.

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Produits concernés

• backstage
• @backstage plugin-scaffolder-backend-module-confluence-to-markdown
• Linuxfoundation backstage\/plugin-scaffolder-backend-module-confluence-to-markdown
• Linuxfoundation backstage

Scores CVSS

Faiblesses (CWE)

• CWE-22

Références

• https://github.com/backstage/backstage/commit/5f0000c1d0af05571e357926b3fa33a453337ff0 Patch
• https://github.com/backstage/backstage/releases/tag/v1.54.6 PatchRelease Notes
• https://github.com/backstage/backstage/security/advisories/GHSA-2cmg-v53w-8xfp MitigationPatchVendor Advisory

Ailleurs

• NVD
• CVE.org
• CIRCL Vulnerability-Lookup
• CERT-FR
• GitHub Advisories