CVE-2026-106559

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 input validation in confluence to markdown scaffolder module. 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. 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
• CWE-73

Références

• https://github.com/backstage/backstage/commit/506c2c11bce3ed9d1f8f50de5d6474b16e43a65e Patch
• https://github.com/backstage/backstage/releases/tag/v1.54.6 PatchRelease Notes
• https://github.com/backstage/backstage/security/advisories/GHSA-75qf-886x-5xf2 MitigationVendor Advisory

Ailleurs

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