by Kastro
Paper/Archive/CVE-2026-18972

CVE-2026-18972

Rapid7 Velociraptor — Velociraptor authenticated identity-spoofing vulnerability

EPSS 0.4%CVSS 9.6
critical.is priorityof 100
35
CVSS 9.6 (CNA)9.6 / 10 × 3028.8Not in CISA KEV+300.0EPSS percentile 28.6.286 × 205.7No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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

ProductAffectedFixed inSource
Velociraptor< 0.77.20.77.2CNA

Scores by source

rapid7 (CNA)9.6CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: total

References

refdocs.velociraptor.app/announcements/advisories/cve-2026-18972