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Vulnerability record · CVE-2026-42290 · published 13 May 2026

CVE-2026-42290: Protobufjs project protobufjs-cli os command injection vulnerability

PProtobufjs Project · Protobufjs Cli

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.

7.8 CVSS 3.1 High EPSS 0.19% · top 91.8% CWE-78 · OS command injection
7.8CVSS 3.1 base score
0.19%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
17 Jun 2026Last modified by NVD

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.

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

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Source: NIST National Vulnerability Database (record CVE-2026-42290), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.