CVE-2026-1518

LOW EPSS 14.5%

Published Feb 2, 20264mo ago · Modified Jun 17, 20262w ago

2.7 CVSS 3.1

Low

Published Feb 2, 2026 4mo ago

Last Modified Jun 17, 2026 2w ago

Description

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.

CVSS Details

Base Score

2.7

Exploitability

1.2

Impact

1.4

Vector string

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

Attack Vector Network

Attack Complexity Low

Privileges Required High

User Interaction None

Scope Unchanged

Confidentiality None

Integrity Low

Availability None

Threat Intelligence

EPSS Exploit Probability

14.5% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-918 Server-Side Request Forgery (SSRF) Validation

References 2

access.redhat.com https://access.redhat.com/security/cve/CVE-2026-1518
bugzilla.redhat.com https://bugzilla.redhat.com/show_bug.cgi?id=2433727

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.