CVE-2026-18972
Critical
Description
An authenticated attacker can spoof another GUI user's identity by sending their request with the custom header \"Grpc-Metadata-USER\". This can lead to an account takeover attack from a user with low privileges to administrator.
SeverityCritical
CVSS9.6
Exploit probability—
ProductVelociraptor
PublishedAug 11, 2026
First seenAug 11, 2026
Weakness typeCWE-290CWE-290
How to fix
Update
- Rapid7 Velociraptor0.77.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Rapid7 Velociraptor | v < 0.77.2 | 0.77.2 |
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