CVE-2026-18972

Critical

Open

TLP:CLEAR

Velociraptor authenticated identity-spoofing vulnerability

NVD CVE.org

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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.

Details

CVSS Score: 9.6
EPSS Score ⓘ: 0.33%

25.2th percentile
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
Confidence: 90%
Published: Aug 11, 2026
Last Modified: Aug 11, 2026

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