CVE-2026-44293

protobufjs compiles protobuf definitions into JavaScript JS functions. Prior to 7.5.6 and 8.0.2, protobufjs generated JavaScript for toObject conversion could include an unsafe expression derived from a schema-controlled bytes field default value. A crafted descriptor with a non-string default...

CVE-2026-44293 protobufjs: Code injection through bytes field defaults in generated toObject code

protobufjs compiles protobuf definitions into JavaScript JS functions. Prior to 7.5.6 and 8.0.2, protobufjs generated JavaScript for toObject conversion could include an unsafe expression derived from a schema-controlled bytes field default value. A crafted descriptor with a non-string default...

Arbitrary Code Injection

Overview protobufjs is a protocol buffer for JavaScript & TypeScript. Affected versions of this package are vulnerable to Arbitrary Code Injection in the toObject function when handling a schema-controlled bytes field default value. An attacker can execute arbitrary JavaScript code by providing a...