CVE-2026-4325

| EUVD-2026-18210 MEDIUM
2026-04-02 redhat GHSA-rx66-hj7g-28h7
5.3
CVSS 3.1
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CVSS Vector

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

Lifecycle Timeline

4
Patch Released
Apr 04, 2026 - 08:30 nvd
Patch available
Analysis Generated
Apr 02, 2026 - 13:15 vuln.today
EUVD ID Assigned
Apr 02, 2026 - 13:15 euvd
EUVD-2026-18210
CVE Published
Apr 02, 2026 - 12:44 nvd
MEDIUM 5.3

Tags

Authentication Bypass

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.

Analysis

Keycloak's SingleUseObjectProvider lacks proper type and namespace isolation, allowing unauthenticated remote attackers with user interaction to delete arbitrary single-use entries and replay consumed action tokens such as password reset links, leading to account compromise. The vulnerability requires user interaction (UI:R) and high attack complexity (AC:H), resulting in a CVSS score of 5.3. …

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Priority Score

27
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +26
POC: 0

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CVE-2026-4325 vulnerability details – vuln.today
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