CVE-2026-4325

MEDIUM EPSS 16.3%

Published Apr 2, 20262mo ago · Modified Jun 17, 20261w ago

5.3 CVSS 3.1

Medium

Published Apr 2, 2026 2mo ago

Last Modified Jun 17, 2026 1w ago

Description

A flaw was found in Keycloak. The SingleUseObjectProvider, a global key-value store, lacks proper type and namespace isolation. This vulnerability allows an attacker to delete arbitrary single-use entries, which can enable the replay of consumed action tokens, such as password reset links. This could lead to unauthorized access or account compromise.

CVSS Details

Base Score

5.3

Exploitability

1.6

Impact

3.6

Vector string

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

Attack Vector Network

Attack Complexity High

Privileges Required None

User Interaction Required

Scope Unchanged

Confidentiality None

Integrity High

Availability None

Threat Intelligence

EPSS Exploit Probability

16.3% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-653

Affected Products 5

Vendor	Product	Version	Range
redhat	build_of_keycloak	*	any
redhat	build_of_keycloak	26.2	any
redhat	build_of_keycloak	26.2.15	any
redhat	build_of_keycloak	26.4	any
redhat	build_of_keycloak	26.4.11	any

References 6

access.redhat.com https://access.redhat.com/errata/RHSA-2026:6475

Vendor Advisory
access.redhat.com https://access.redhat.com/errata/RHSA-2026:6476

Vendor Advisory
access.redhat.com https://access.redhat.com/errata/RHSA-2026:6477

Vendor Advisory
access.redhat.com https://access.redhat.com/errata/RHSA-2026:6478

Vendor Advisory
access.redhat.com https://access.redhat.com/security/cve/CVE-2026-4325

Vendor Advisory
bugzilla.redhat.com https://bugzilla.redhat.com/show_bug.cgi?id=2448351

Issue TrackingVendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.