CVE-2026-4366 — Keycloak-services: blind server-side request forgery (ssrf) via http redirect handling in keycloak
A flaw was identified in Keycloak, an identity and access management solution, where it improperly follows HTTP redirects when processing certain client configuration requests. …
Published: 2026-03-18 · CVSS: 5.8 · CVSS 3.1
A flaw was identified in Keycloak, an identity and access management solution, where it improperly follows HTTP redirects when processing certain client configuration requests. This behavior allows an attacker to trick the server into making unintended requests to internal or restricted resources. As a result, sensitive internal services such as cloud metadata endpoints could be accessed. This issue may lead to information disclosure and enable attackers to map internal network infrastructure.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7