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CVE-2026-54269
MEDIUM · CVSS 5.3
EPSS exploitation probability: 15%
Published 2026-06-22T18:16:45.350 · Last modified 2026-06-24T20:40:20.407

Summary

protobufjs compiles protobuf definitions into JavaScript (JS) functions. Prior to 8.6.0 and 7.6.3, protobufjs accepted certain schema-derived names that could collide with properties used by protobufjs runtime helpers. The known affected names are fields named hasOwnProperty, field or oneof names such as $type when loaded through protobufjs JSON/reflection descriptors, and service methods whose generated helper name is rpcCall. When affected message or service types were used, protobufjs could read schema-controlled data where it expected an own-property helper, reflected type metadata, or the base RPC helper. This could cause deterministic exceptions or recursive calls in affected decode post-checks, verification, object conversion, reflected JSON serialization, or protobufjs RPC helper invocation. This vulnerability is fixed in 8.6.0 and 7.6.3.

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.