CVE-2026-32237

@backstage/plugin-scaffolder-backend: Possible exposure of defaultEnvironment secrets using dry-run endpoint

Published Mar 12, 2026 CVSS 3.1 · 4.4 Medium EPSS < 1% KEV · Not listed
Description
Backstage is an open framework for building developer portals. Prior to 3.1.5, authenticated users with permission to execute scaffolder dry-runs can gain access to server-configured environment secrets through the dry-run API response. Secrets are properly redacted in log output but not in all parts of the response payload. Deployments that have configured scaffolder.defaultEnvironment.secrets are affected. This is patched in @backstage/plugin-scaffolder-backend version 3.1.5.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-8wq8-6859-qx77 @backstage/plugin-scaffolder-backend: Possible exposure of defaultEnvironment secrets using dry-run endpoint
History
Type Values Removed Values Added
First Time appeared Linuxfoundation backstage\/plugin-scaffolder-backend
CPEs cpe:2.3:a:linuxfoundation:backstage:*:*:*:*:*:*:*:* cpe:2.3:a:linuxfoundation:backstage\/plugin-scaffolder-backend:*:*:*:*:*:node.js:*:*
Vendors & Products Linuxfoundation backstage
Linuxfoundation backstage\/plugin-scaffolder-backend
Type Values Removed Values Added
First Time appeared Linuxfoundation
Linuxfoundation backstage
Weaknesses NVD-CWE-noinfo
CPEs cpe:2.3:a:linuxfoundation:backstage:*:*:*:*:*:*:*:*
Vendors & Products Linuxfoundation
Linuxfoundation backstage
Type Values Removed Values Added
First Time appeared Backstage
Backstage plugin-scaffolder-backend
Vendors & Products Backstage
Backstage plugin-scaffolder-backend
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Backstage is an open framework for building developer portals. Prior to 3.1.5, authenticated users with permission to execute scaffolder dry-runs can gain access to server-configured environment secrets through the dry-run API response. Secrets are properly redacted in log output but not in all parts of the response payload. Deployments that have configured scaffolder.defaultEnvironment.secrets are affected. This is patched in @backstage/plugin-scaffolder-backend version 3.1.5.
Title @backstage/plugin-scaffolder-backend: Possible exposure of defaultEnvironment secrets using dry-run endpoint
Weaknesses CWE-200
References
Metrics cvssV3_1

{'score': 4.4, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N'}

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Mar 12, 2026, 8:46 PM
Reserved
Mar 11, 2026, 2:47 PM
Status
Analyzed
Published
Mar 12, 2026, 7:16 PM
Modified
Jun 17, 2026, 10:35 AM
Severity
Moderate
Public date
Mar 12, 2026, 6:38 PM