CVE-2026-5758

Description

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 Reserved 2026-04-07 | Published 2026-04-15 | Updated 2026-04-15 | Assigner certcc

Problem types

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

Product status

References

github.com/mafintosh/protocol-buffers-schema/pull/70

morielharush.github.io/...uffers-schema-prototype-pollution/

cve.org (CVE-2026-5758)

nvd.nist.gov (CVE-2026-5758)

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