Prototype pollution in node-csvtojson - CVE-2025-57350
Published: March 16, 2026
Vulnerability identifier: #VU124030
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2025-57350
CWE-ID: CWE-1321
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Keyang
Affected software:
node-csvtojson
node-csvtojson
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary JavaScript code.
The vulnerability exists due to insufficient sanitization of nested header names during the parsing process in the parser_jsonarray component. A remote attacker can pass specially crafted input to the application and perform prototype pollution, which can result in information disclosure or data manipulation.
How to mitigate CVE-2025-57350
Cybersecurity Help is currently unaware of any official solution to address this vulnerability..