Record summary

CVE-2026-18972 has a selected CVSS score of 9.6 (critical).

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.

Description source: CVE List

Exploitation context

CISA SSVC decision

ExploitationNone
AutomatableNo
Technical impactTotal

CISA Coordinator · SSVC 2.0.3 · Evaluated Aug 11, 2026 · Source: CVE List

Affected products and versions

1
ProductSourceVersion rangeStatus

Default status: unaffected

CVE ListBefore 0.77.2affected

References

2