What is CVE-2025-23166?

CVE-2025-23166 is a high-severity vulnerability in Nodejs Node. CVSS score: 7.5/10. Published 2025-05-19.

How severe is CVE-2025-23166?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2025-23166 known to be exploited?

4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Nodejs Node

CVE-2025-23166

The C++ method SignTraits::DeriveBits() may incorrectly call ThrowException() based on user-supplied inputs when executing in a background thread, crashing the Node.js process. Such cryptographic operations are commonly applied to untruste…

EPSS: 0.003 (54.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Nodejs Node — versions 4.0, 5.0, 6.0

Public proof-of-concept exploits

References

nodejs.org/en/blog/vulnerability/may-2025-security-releases

Frequently asked questions

What is CVE-2025-23166?: CVE-2025-23166 is a high-severity vulnerability in Nodejs Node. CVSS score: 7.5/10. Published 2025-05-19.
How severe is CVE-2025-23166?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2025-23166 known to be exploited?: 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.