Medium 5.3Published Apr 2, 2026

CVE-2026-4325A flaw was found in Keycloak.

Updated under an hour ago (2026-10-19 08:10 UTC)

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It affects redhat build_of_keycloak. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for redhat build_of_keycloak

Exploited in the last 30 days

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: 5.3 MEDIUM (v3.1, NVD)CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N
Weakness (CWE): CWE-653
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Analyzed
Record last updated: Jun 17, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

redhat build_of_keycloak redhat:build_of_keycloak	all versions; 26.2; 26.2.15; 26.4; 26.4.11	NVD

References

https://access.redhat.com/errata/RHSA-2026:6475vendor-advisory
https://access.redhat.com/errata/RHSA-2026:6476vendor-advisory
https://access.redhat.com/errata/RHSA-2026:6477vendor-advisory
https://access.redhat.com/errata/RHSA-2026:6478vendor-advisory
https://access.redhat.com/security/cve/CVE-2026-4325vendor-advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2448351issue-tracking, vendor-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.