Uncaught Exception in Node.js - CVE-2025-59466
Published: April 17, 2026
Vulnerability identifier: #VU126389
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-59466
CWE-ID: CWE-248
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Node.js Foundation
Affected software:
Node.js
Node.js
Detailed vulnerability description
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to improper error handling in async_hooks error handling when deep recursion occurs with async_hooks.createHook() enabled. A remote attacker can trigger deep recursion to cause a denial of service.
Applications using AsyncLocalStorage or async_hooks.createHook() are affected under specific conditions.
How to mitigate CVE-2025-59466
Install security update from vendor's website.