Command Injection Affecting protobufjs-cli package, versions <1.2.1>=2.0.0-experimental <2.0.2
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-JS-PROTOBUFJSCLI-16643433
- published14 May 2026
- disclosed12 May 2026
- credit0x5t4l1n Stalin
Introduced: 12 May 2026
NewCVE-2026-42290 (opens in a new tab)How to fix?
Upgrade protobufjs-cli to version 1.2.1, 2.0.2 or higher.
Overview
protobufjs-cli is a Translates between file formats and generates static code as well as TypeScript definitions.
Affected versions of this package are vulnerable to Command Injection via pbts. An attacker can execute arbitrary shell commands by supplying file paths containing shell metacharacters, which are interpreted by the shell when the process constructs and executes a command string.