Description
protobufjs could recurse without a depth limit while converting decoded messages to plain objects or JSON. This affected generated toObject() conversion and the custom google.protobuf.Any JSON conversion path.
Recommendation
Update the protobufjs package to the latest compatible version. Followings are version details:
Affected version(s): **>= 8.0.0, <= 8.4.0 <= 7.6.0** Patched version(s): **8.4.1 7.6.1**
References
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Start a free scanRelated Issues
- protobufjs: Denial of Service via unbounded recursive JSON descriptor expansion - CVE-2026-45740
- protobuf.js: Denial of service through unbounded protobuf recursion - CVE-2026-44289
- protobuf.js: Process-wide denial of service through unsafe option paths - CVE-2026-44290
- protobufjs: Denial of Service via infinite loop in .proto option parsing - CVE-2026-59877
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See something that needs correcting? Let us knowUpdated July 15, 2026