CVE-2025-55285

Description

@backstage/plugin-scaffolder-backend is the backend for the default Backstage software templates. Prior to version 2.1.1, duplicate logging of the input values in the fetch:template action in the Scaffolder meant that some of the secrets were not properly redacted. If ${{ secrets.x }} is not passed through to fetch:template there is no impact. This issue has been resolved in 2.1.1 of the scaffolder-backend plugin. A workaround for this issue involves Template Authors removing the use of ${{ secrets }} being used as an argument to fetch:template.

CVSS v3.1 Score

2.6

LOW

CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:L/I:N/A:N

Weakness Type (CWE)

CWE-532 CWE-532

References

Other References

https://github.com/backstage/backstage/commit/c371f6fe12371de31dca537510e6653e287cdc2e https://github.com/backstage/backstage/security/advisories/GHSA-3x3q-ghcp-whf7

Frequently Asked Questions

What is CVE-2025-55285? +

@backstage/plugin-scaffolder-backend is the backend for the default Backstage software templates. Prior to version 2.1.1, duplicate logging of the input values in the fetch:template action in the Scaffolder meant that some of the secrets were not properly redacted. If ${{ secrets.x }} is not passed through to fetch:template there is no impact. This issue has been resolved in 2.1.1 of the scaffolder-backend plugin. A workaround for this issue involves Template Authors removing the use of ${{ secrets }} being used as an argument to fetch:template. It has a CVSS v3.1 base score of 2.6 (LOW).

How severe is CVE-2025-55285? +

CVE-2025-55285 has a CVSS v3.1 score of 2.6 out of 10, rated LOW. This is a low-severity vulnerability with limited impact.

How do I check if I'm vulnerable to CVE-2025-55285? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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