CVE-2026-106559

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.
Configurations

Configuration 1 (hide)

cpe:2.3:a:linuxfoundation:backstage\/plugin-scaffolder-backend-module-confluence-to-markdown:*:*:*:*:*:node.js:*:*

Configuration 2 (hide)

cpe:2.3:a:linuxfoundation:backstage:*:*:*:*:*:*:*:*

History

16 Oct 2026, 15:11

Type Values Removed Values Added
CPE cpe:2.3:a:linuxfoundation:backstage\/plugin-scaffolder-backend-module-confluence-to-markdown:*:*:*:*:*:node.js:*:*
cpe:2.3:a:linuxfoundation:backstage:*:*:*:*:*:*:*:*
References () https://github.com/backstage/backstage/commit/506c2c11bce3ed9d1f8f50de5d6474b16e43a65e - () https://github.com/backstage/backstage/commit/506c2c11bce3ed9d1f8f50de5d6474b16e43a65e - Patch
References () https://github.com/backstage/backstage/releases/tag/v1.54.6 - () https://github.com/backstage/backstage/releases/tag/v1.54.6 - Patch, Release Notes
References () https://github.com/backstage/backstage/security/advisories/GHSA-75qf-886x-5xf2 - () https://github.com/backstage/backstage/security/advisories/GHSA-75qf-886x-5xf2 - Mitigation, Vendor Advisory
First Time Linuxfoundation backstage
Linuxfoundation backstage\/plugin-scaffolder-backend-module-confluence-to-markdown
Linuxfoundation

07 Oct 2026, 15:17

Type Values Removed Values Added
New CVE

Information

Published : 2026-10-07 15:17

Updated : 2026-10-16 15:11


NVD link : CVE-2026-106559

Mitre link : CVE-2026-106559

CVE.ORG link : CVE-2026-106559


JSON object : View

Products Affected

linuxfoundation

  • backstage
  • backstage\/plugin-scaffolder-backend-module-confluence-to-markdown
CWE
CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CWE-73

External Control of File Name or Path