CVE-2026-42290

protobufjs-cli: OS Command Injection

State: Published
Severity: 7.8 High
Published: May 13, 2026
Updated: May 18, 2026
Reserved: Apr 26, 2026

Description

protobufjs-cli is the command line add-on for protobuf.js. Prior to 1.2.1 and 2.0.2, pbts invoked JSDoc by building a shell command string from input file paths and executing it through child_process.exec. File paths containing shell metacharacters could therefore be interpreted by the shell instead of being passed to JSDoc as plain arguments. This vulnerability is fixed in 1.2.1 and 2.0.2.

Scores

CVSS	Score	Vector	Source
3.1	7.8 High	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H	GitHub_M

Weaknesses

CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Affected Products

Product	Versions
protobuf.jsprotobufjs	>= 2.0.0, < 2.0.2Affected < 1.2.1Affected

References

https://github.com/protobufjs/protobuf.js/security/advisories/GHSA-f84p-cvgm-xgjj

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