CVE-2026-1245NVD

Vulnerability Summary

A code injection vulnerability in the binary-parser library prior to version 2.3.0 allows arbitrary JavaScript code execution when untrusted values are used in parser field names or encoding parameters. The library directly interpolates these values into dynamically generated code without sanitization, enabling attackers to execute arbitrary code in the context of the Node.js process.

Severity Level

MEDIUM(6.5)

Published Date

Jan 20, 2026

Last Modified

Feb 3, 2026

Exploitation Status

No confirmed exploitation yet

EPSS Score (30-Day)

Data Pending

Root Weakness (CWE)

CWE-94: Code Injection ↗

The software constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended syntax or behavior.

CVSS v3.1 Base Metrics — Score 6.5 (MEDIUM)

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

ConfidentialityLow

IntegrityLow

AvailabilityNone

Affected & Patched Versions

Affected Versions

Keichi Binary-parser < 2.3.0

Patched Versions

Keichi Binary-parser 2.3.0

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