Insertion of Sensitive Information into Log File Affecting @backstage/plugin-scaffolder-backend package, versions <2.1.1


Severity

Recommended
0.0
low
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.03% (6th percentile)

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  • Snyk IDSNYK-JS-BACKSTAGEPLUGINSCAFFOLDERBACKEND-11951437
  • published17 Aug 2025
  • disclosed15 Aug 2025
  • creditUnknown

Introduced: 15 Aug 2025

NewCVE-2025-55285  (opens in a new tab)
CWE-532  (opens in a new tab)

How to fix?

Upgrade @backstage/plugin-scaffolder-backend to version 2.1.1 or higher.

Overview

@backstage/plugin-scaffolder-backend is a The Backstage backend plugin that helps you create new things

Affected versions of this package are vulnerable to Insertion of Sensitive Information into Log File via the fetch:template action, which duplicates logging of the input values. An attacker can access sensitive information by reviewing logs where secrets may not have been properly redacted.

Note: This is only exploitable if ${{ secrets.x }} are passed as arguments to fetch:template.

Workaround

This vulnerability can be mitigated by removing the use of ${{ secrets }} as arguments to fetch:template.

References

CVSS Base Scores

version 4.0
version 3.1