CVE-2026-1518

Published: Feb 2, 2026

Modified: Feb 2, 2026

PUBLISHED

CVSS v3.1

2.7

LOW

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.

Vendor	Product	Versions
Red Hat	Red Hat Build of Keycloak	All versions
Red Hat	Red Hat Build of Keycloak	All versions
Red Hat	Red Hat Build of Keycloak	All versions

Weaknesses (CWE)

CWE-918

CVSS v3.1 Details

CVSS v3.1 Vector

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

References

https://access.redhat.com/security/cve/CVE-2026-1518

vdb-entry

x_refsource_REDHAT

RHBZ#2433727

issue-tracking

x_refsource_REDHAT

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CVE-2026-1518

Description

Affected Products

Weaknesses (CWE)

CVSS v3.1 Details

References