protobuf.js: Code injection in pbjs static output from crafted schema names

Description

pbjs static code generation could emit unsafe JavaScript identifiers derived from schema-controlled names. When generating static JavaScript from a crafted schema or JSON descriptor, certain namespace, enum, service, or derived full names could be written into the generated output without sufficient sanitization.

Recommendation

Update the protobufjs-cli package to the latest compatible version. Followings are version details:

• Affected version(s): **>= 2.0.0, <= 2.0.1

  <= 1.2.0**

• Patched version(s): **2.0.2

  1.2.1**

References

• GHSA-6r35-46g8-jcw9
• CVE-2026-44295
• CWE-94
• CAPEC-310
• OWASP 2021-A3
• OWASP 2021-A6

Related Issues

• protobuf.js: Denial of service from crafted field names in generated code - CVE-2026-44294
• protobuf.js: Code injection through bytes field defaults in generated toObject code - CVE-2026-44293
• protobuf.js is Vulnerable to OS Command Injection in the CLI - CVE-2026-42290
• lodash vulnerable to Code Injection via `_.template` imports key names - lodash-amd - CVE-2026-4800

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Tags:

npm

protobufjs-cli