cbcvebase.
CVE-2026-4282
published 2026-04-02

CVE-2026-4282: A flaw was found in Keycloak. The SingleUseObjectProvider, a global key-value store, lacks proper type and namespace isolation. This vulnerability allows an…

PriorityP353high7.4CVSS 3.1
AVNACHPRNUINSUCHIHAN
EPSS
0.42%
34.4th percentile
A flaw was found in Keycloak. The SingleUseObjectProvider, a global key-value store, lacks proper type and namespace isolation. This vulnerability allows an unauthenticated attacker to forge authorization codes. Successful exploitation can lead to the creation of admin-capable access tokens, resulting in privilege escalation.

Affected

4 ranges
VendorProductVersion rangeFixed in
redhatbuild_of_keycloak
redhatbuild_of_keycloak
redhatbuild_of_keycloak
redhatbuild_of_keycloak

CVSS provenance

nvdv3.17.4HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
vendor_redhat7.4HIGH
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