Information disclosure in Backstage
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 w…
EPSS: 0.002 (11.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 2.6 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:L/I:N/A:N.
Affected products
- Backstage — versions < 2.1.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-advisories@github.com (x_refsource_CONFIRM)
- security-advisories@github.com (x_refsource_MISC)
Frequently asked questions
- What is CVE-2025-55285?
- CVE-2025-55285 is a low-severity vulnerability in Backstage, classified under Insertion of Sensitive Information into Log File. CVSS score: 2.6/10. Published 2025-08-15.
- How severe is CVE-2025-55285?
- Low severity. CVSS v3 base score is 2.6 out of 10.
- Is CVE-2025-55285 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.