CVE-2026-3872
Published: Apr 2, 2026
Modified: Apr 7, 2026
CVSS v3.1
7.3
Description
A flaw was found in Keycloak. This issue allows an attacker, who controls another path on the same web server, to bypass the allowed path in redirect Uniform Resource Identifiers (URIs) that use a wildcard. A successful attack may lead to the theft of an access token, resulting in information disclosure.
| Vendor | Product | Versions |
|---|---|---|
Red Hat | Red Hat build of Keycloak 26.2 | unaffected 26.2.15-1 - < * |
Red Hat | Red Hat build of Keycloak 26.2 | unaffected 26.2-18 - < * |
Red Hat | Red Hat build of Keycloak 26.2 | unaffected 26.2-18 - < * |
Red Hat | Red Hat build of Keycloak 26.2.15 | All versions |
Red Hat | Red Hat build of Keycloak 26.4 | unaffected 26.4.11-1 - < * |
Red Hat | Red Hat build of Keycloak 26.4 | unaffected 26.4-14 - < * |
Red Hat | Red Hat build of Keycloak 26.4 | unaffected 26.4-14 - < * |
Red Hat | Red Hat build of Keycloak 26.4.11 | All versions |
Weaknesses (CWE)
CVSS v3.1 Details
CVSS v3.1 Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
References
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