VDB

CVE-2026-5758

CVE-2026-5758 PUBLISHED CVSS 9.300000190734863 CRITICAL

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.

EPSS 0.06% · 17.7th percentile

Risk Scores

CVSS v4.0
9.300000190734863
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS Score
0.06%
17.7th percentile

Affected Products

VendorProductVersions
MafintoshProtocol-buffers-schema parser3.6.0

Timeline

  • Apr 15, 2026 CVE Published
  • Apr 15, 2026 PoC Published
  • Apr 16, 2026 EPSS Score
  • Apr 16, 2026 Security Advisory
  • Apr 17, 2026 CVE Updated
  • May 18, 2026 EPSS Score
  • May 19, 2026 EPSS Score
  • May 20, 2026 EPSS Score
  • May 21, 2026 EPSS Score
  • May 22, 2026 EPSS Score
  • May 23, 2026 EPSS Score
  • May 24, 2026 EPSS Score
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