Resource exhaustion in qs - CVE-2025-15284
Published: January 12, 2026 / Updated: January 14, 2026
Vulnerability identifier: #VU121159
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-2025-15284
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: npm Inc.
Affected software:
qs
qs
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to the arrayLimit option does not enforce limits for bracket notation (a[]=1&a[]=2). A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.
How to mitigate CVE-2025-15284
Install updates from vendor's website.