CVE-2026-18201 — MEDIUM (5.5)

Vulnerability Description

Keycloak provides a way to manage identity providers and organizations through its administrative API. A flaw was discovered where an administrator with permission to manage identity providers could link a new provider to an organization without having the required permissions to manage that organization. This could allow an unauthorized administrator to influence how users log into specific organizations.

CVSS Score

5.5

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

HIGH

Availability

NONE

Affected Products

Vendor	Product	Versions
Redhat	Build Of Keycloak	-

Related Weaknesses (CWE)

CWE-862

References

https://access.redhat.com/security/cve/CVE-2026-18201Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2508290Issue TrackingVendor Advisory

FAQ

What is CVE-2026-18201?

CVE-2026-18201 is a vulnerability with a CVSS score of 5.5 (MEDIUM). Keycloak provides a way to manage identity providers and organizations through its administrative API. A flaw was discovered where an administrator with permission to manage identity providers could l...

How severe is CVE-2026-18201?

CVE-2026-18201 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-18201?

Check the references section above for vendor advisories and patch information. Affected products include: Redhat Build Of Keycloak.