CVE-2026-4325
Medium
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.
SeverityMedium
CVSS5.3
Exploit probability—
Product
Redhat Build Of Keycloak
PublishedApr 2, 2026
First seenApr 2, 2026
Weakness typeCWE-653CWE-653
How to fix
Update
- org.keycloak:keycloak-services26.5.7 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| redhat build_of_keycloak | No range specified, 26.2, 26.2.15, 26.4, 26.4.11 | — |
| org.keycloak:keycloak-servicesMaven | v < 26.5.7 | 26.5.7 |
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