CVE-2026-1518 LOW

CVE-2026-1518: Keycloak: blind server-side request forgery (ssrf) via ciba backchannel notification endpoint in keycloak

Vendor Red Hat
Product Red Hat Build of Keycloak
Weakness CWE-918 · SSRF
Published February 2, 2026
Last update February 2, 2026
View on NVD All CVEs

CVSS base score

2.7/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality None
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

A flaw was found in Keycloak’s CIBA feature where insufficient validation of client-configured backchannel notification endpoints could allow blind server-side requests to internal services.

Key dates

02Disclosure timeline

February 2, 2026 CVE published
February 2, 2026 Record updated