CVE-2026-41242
protobufjs has an arbitrary code execution issue
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-94 |
| Vendor | protobufjs |
| Product | protobuf.js |
| Published | Apr 18, 2026 |
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Affected Versions
protobufjs / protobuf.js
< 7.5.5 >= 8.0.0-experimental, < 8.0.1
References
github.com: https://github.com/protobufjs/protobuf.js/security/advisories/GHSA-xq3m-2v4x-88gg github.com: https://github.com/protobufjs/protobuf.js/commit/535df444ac060243722ac5d672db205e5c531d75 github.com: https://github.com/protobufjs/protobuf.js/commit/ff7b2afef8754837cc6dc64c864cd111ab477956 github.com: https://github.com/protobufjs/protobuf.js/releases/tag/protobufjs-v7.5.5 github.com: https://github.com/protobufjs/protobuf.js/releases/tag/protobufjs-v8.0.1