CVE-2026-42290
high
CVSS v3
7.8
CVSS v4 NEW
โ
VIR risk
7.8
Description
protobuf.js is Vulnerable to OS Command Injection in the CLI
Predictions
Exploit likelihood
75%
Patch ETA
โ
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or โ if you've already worked around this in production โ publish your fix to the community-verified tier.
โ Propose a mitigation on Community โ Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| npm | protobufjs-cli | <1.2.1 | 1.2.1 |
| npm | protobufjs-cli | >=2.0.0,<2.0.2 | 2.0.2 |
| NPM | protobufjs-cli | >= 2.0.0, <= 2.0.1 | 2.0.2 |
| NPM | protobufjs-cli | <= 1.2.0 | 1.2.1 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| protobufjs_project | protobufjs-cli | {"endExcluding":"1.2.1"} | 1.2.1 |
References
- https://github.com/protobufjs/protobuf.js/security/advisories/GHSA-f84p-cvgm-xgjj
- https://nvd.nist.gov/vuln/detail/CVE-2026-42290
- https://github.com/protobufjs/protobuf.js
- https://github.com/protobufjs/protobuf.js/releases/tag/protobufjs-cli-v1.2.1
- https://github.com/protobufjs/protobuf.js/releases/tag/protobufjs-cli-v2.0.2
- https://github.com/advisories/GHSA-f84p-cvgm-xgjj
CWEs
CWE-78
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.