CVE-2026-18972 — CRITICAL (9.6)

Vulnerability 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.

CVSS Score

9.6

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

NONE

Related Weaknesses (CWE)

CWE-290

References

http://docs.velociraptor.app/announcements/advisories/cve-2026-18972/

FAQ

What is CVE-2026-18972?

CVE-2026-18972 is a vulnerability with a CVSS score of 9.6 (CRITICAL). 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...

How severe is CVE-2026-18972?

CVE-2026-18972 has been rated CRITICAL with a CVSS base score of 9.6/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-18972?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.