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OpenAdvisories
Medium · 6.5 CVE-2026-5758 EUVD-2026-22993GHSA-j452-xhg8-qg39

Mafintosh's protocol-buffers-schema is vulnerable to prototype pollution

Published Apr 15, 2026 · Updated Apr 15, 2026 · Assigned by certcc

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.

Affected products

VendorProductAffectedFixed
Mafintosh Protocol-buffers-schema parser 3.6.0 – < 3.6.1 3.6.1

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

Wolfi

ReleasePackageFixed inAdvisory
Wolfi rolling opensearch-dashboards-3-dashboards-maps 3.6.0-r2 —
Wolfi rolling tileserver-gl 5.6.0-r1 —

Affected packages

EcosystemPackageAffectedFixedRecord
npm protocol-buffers-schema < 3.6.1 3.6.1 GHSA-j452-xhg8-qg39

References