CVE Catalog

CVE-2026-5758

MediumCVSS 6.5
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.53%

45th percentile - higher than 45% of all known CVEs

Summary

Mafintosh's protocol-buffers-schema version 3.6.0 is vulnerable to prototype pollution in JavaScript. An attacker may alter application logic, bypass security checks, cause a DoS, or achieve remote code execution.

Risk Assessment

Exploitation may lead to security bypass, application crashes, or remote code execution. The impact depends on how the library is used in the application.

Recommendation

Update protocol-buffers-schema to a version containing the fix. Review applications using this library for prototype pollution exposure.

Related vulnerabilities

Original NVD description (English source)

JavaScript is vulnerable to prototype pollution in Mafintosh's protocol-buffers-schema Version 3.6.0, where an attacker may alter the application logic, bypass security checks, cause a DoS or achieve remote code execution.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS