CVE-2026-4325 — Keycloak: keycloak: replay of action tokens via improper handling of single-use entries
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 a…
Published: 2026-04-02 · CVSS: 5.3 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7