CVE-2026-41242
critical
CVSS v3
—
CVSS v4 NEW
—
VIR risk
9.5
Description
Arbitrary code execution in protobufjs
Predictions
Exploit likelihood
30%
Patch ETA
—
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 — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → 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 | >=8.0.0,<8.0.1 | 8.0.1 |
| npm | protobufjs | <7.5.5 | 7.5.5 |
| NPM | protobufjs | < 7.5.5 | 7.5.5 |
| NPM | protobufjs | >= 8.0.0, < 8.0.1 | 8.0.1 |
References
- https://github.com/protobufjs/protobuf.js/security/advisories/GHSA-xq3m-2v4x-88gg
- https://nvd.nist.gov/vuln/detail/CVE-2026-41242
- https://github.com/protobufjs/protobuf.js/commit/535df444ac060243722ac5d672db205e5c531d75
- https://github.com/protobufjs/protobuf.js/commit/ff7b2afef8754837cc6dc64c864cd111ab477956
- https://github.com/protobufjs/protobuf.js
- https://github.com/protobufjs/protobuf.js/releases/tag/protobufjs-v7.5.5
- https://github.com/protobufjs/protobuf.js/releases/tag/protobufjs-v8.0.1
- https://github.com/advisories/GHSA-xq3m-2v4x-88gg
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.