Arbitrary Code Injection Affecting binary-parser package, versions <2.3.0


Severity

Recommended
0.0
critical
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.07% (21st percentile)

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  • Snyk IDSNYK-JS-BINARYPARSER-15046328
  • published22 Jan 2026
  • disclosed20 Jan 2026
  • creditUnknown

Introduced: 20 Jan 2026

CVE-2026-1245  (opens in a new tab)
CWE-94  (opens in a new tab)

How to fix?

Upgrade binary-parser to version 2.3.0 or higher.

Overview

binary-parser is a Blazing-fast binary parser builder

Affected versions of this package are vulnerable to Arbitrary Code Injection via malicious field names. An attacker can execute arbitrary JavaScript code by supplying untrusted values in the field names or encoding parameters, which are directly interpolated into dynamically generated code without sanitization.

CVSS Base Scores

version 4.0
version 3.1