CVE-2026-18972: RAPID7 Velociraptor

Critical severity, CVSS 9.6. EPSS: 0.4% chance of exploitation in the next 30 days.

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.

Affected products

• RAPID7 Velociraptor: before 0.77.2 (fixed in 0.77.2)

Published 2026-08-11. Last modified 2026-08-28.