# CVE-2026-4325

## Summary

- **CVE ID:** CVE-2026-4325
- **Severity:** MEDIUM
- **CVSS Score:** 5.3 (CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N)
- **CWE:** CWE-653
- **Published:** Apr 2, 2026
- **Last Modified:** Apr 7, 2026

## 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.

## Affected Products

- Red Hat — Red Hat build of Keycloak 26.2 (26.2.15-1)
- Red Hat — Red Hat build of Keycloak 26.2 (26.2-18)
- Red Hat — Red Hat build of Keycloak 26.4 (26.4.11-1)
- Red Hat — Red Hat build of Keycloak 26.4 (26.4-14)

## References

- [CNA](https://access.redhat.com/errata/RHSA-2026:6475)
- [CNA](https://access.redhat.com/errata/RHSA-2026:6476)
- [CNA](https://access.redhat.com/errata/RHSA-2026:6477)
- [CNA](https://access.redhat.com/errata/RHSA-2026:6478)
- [CNA](https://access.redhat.com/security/cve/CVE-2026-4325)
- [CNA](https://bugzilla.redhat.com/show_bug.cgi?id=2448351)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.25%
- **EPSS Percentile:** 16.4

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._