CVE-2026-18972

CriticalCVSS 9.6/10Last modified Oct 23, 2026

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.

Metrics

CVSS 3.1 9.6/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N

Weakness enumeration

CWE-290

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

No affected versions have been published.

Timeline

Published: Aug 11, 2026
Last modified: Oct 23, 2026
NVD status: Awaiting Analysis

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