Vulnerability in Nodejs Undici

CVE-2025-22150

Undici is an HTTP/1.1 client. Starting in version 4.5.0 and prior to versions 5.28.5, 6.21.1, and 7.2.3, undici uses `Math.random()` to choose the boundary for a multipart/form-data request. It is known that the output of `Math.random()` c…

EPSS: 0.007 (49.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N.

Affected products

  • Nodejs Undici — versions >= 4.5.0, < 5.28.5, >= 6.0.0, < 6.21.1, >= 7.0.0, < 7.2.3

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-22150?
CVE-2025-22150 is a medium-severity vulnerability in Nodejs Undici, classified under Use of Insufficiently Random Values. CVSS score: 6.8/10. Published 2025-01-21.
How severe is CVE-2025-22150?
Medium severity. CVSS v3 base score is 6.8 out of 10.
Is CVE-2025-22150 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.