CVE-2026-5758

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.

  • Published Apr 15, 2026
  • CVSS 6.5 medium
  • 0.7% chance of exploitation in the next 30 days (EPSS)

Affected software

In the news

CVE-2026-5758 at the National Vulnerability Database