Resource exhaustion in body-parser - CVE-2025-13466
Published: November 25, 2025
Vulnerability identifier: #VU118753
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-13466
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Express.js
Affected software:
body-parser
body-parser
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to application does not properly control consumption of internal resources when handling URL-encoded bodies with very large numbers of parameters. A remote attacker can trigger high CPU and memory usage and perform a denial of service (DoS) attack.
How to mitigate CVE-2025-13466
Install updates from vendor's website.