CVE-2026-41242
JavaScript vulnerability analysis and mitigation

protobufjs compiles protobuf definitions into JavaScript (JS) functions. In versions prior to 8.0.1 and 7.5.5, attackers can inject arbitrary code in the "type" fields of protobuf definitions, which will then execute during object decoding using that definition. Versions 8.0.1 and 7.5.5 patch the issue.


SourceNVD

Related JavaScript vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

GHSA-p6x5-p4xf-cc4rCRITICAL9.8
  • JavaScriptJavaScript
  • math-codegen
NoYesApr 17, 2026
CVE-2026-41242CRITICAL9.4
  • JavaScriptJavaScript
  • protobufjs
NoYesApr 18, 2026
GHSA-v38x-c887-992fCRITICAL9.2
  • JavaScriptJavaScript
  • flowise
NoYesApr 18, 2026
CVE-2026-40931HIGH8.4
  • JavaScriptJavaScript
  • compressing
NoYesApr 17, 2026
CVE-2026-40346MEDIUM6.4
  • JavaScriptJavaScript
  • @nocobase/plugin-workflow-request
NoYesApr 18, 2026

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