CVE-2026-44292
medium
CVSS v3
5.3
CVSS v4 NEW
—
VIR risk
5.3
Description
protobuf.js: Prototype injection in generated message constructors
Predictions
Exploit likelihood
63%
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 | <7.5.6 | 7.5.6 |
| npm | protobufjs | >=8.0.0,<8.0.2 | 8.0.2 |
| NPM | protobufjs | >= 8.0.0, <= 8.0.1 | 8.0.2 |
| NPM | protobufjs | <= 7.5.5 | 7.5.6 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| protobufjs_project | protobufjs | {"endExcluding":"7.5.6"} | 7.5.6 |
References
- https://github.com/protobufjs/protobuf.js/security/advisories/GHSA-fx83-v9x8-x52w
- https://nvd.nist.gov/vuln/detail/CVE-2026-44292
- https://github.com/protobufjs/protobuf.js
- https://github.com/protobufjs/protobuf.js/releases/tag/protobufjs-v7.5.6
- https://github.com/protobufjs/protobuf.js/releases/tag/protobufjs-v8.0.2
- https://github.com/advisories/GHSA-fx83-v9x8-x52w
CWEs
CWE-1321
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.