Red Hat Red Hat Single Sign-On 7
121 CVEs affecting Red Hat Red Hat Single Sign-On 7. Latest disclosed: 2026-08-14. Critical: 1, High: 37.
| CVE | Severity | Score | Published | Summary |
|---|---|---|---|---|
CVE-2025-12543 | Critical | 9.6 | 2026-01-07 | A flaw was found in the Undertow HTTP server core, which is used in WildFly, JBoss EAP, and other Java applications. The Undertow library fails to properly val… |
CVE-2023-4918 | High | 8.8 | 2023-09-12 | A flaw was found in the Keycloak package, more specifically org.keycloak.userprofile. When a user registers itself through registration flow, the "password" an… |
CVE-2026-28369 | High | 8.7 | 2026-03-27 | A flaw was found in Undertow. When Undertow receives an HTTP request where the first header line starts with one or more spaces, it incorrectly processes the r… |
CVE-2026-28368 | High | 8.7 | 2026-03-27 | A flaw was found in Undertow. This vulnerability allows a remote attacker to construct specially crafted requests where header names are parsed differently by… |
CVE-2026-28367 | High | 8.7 | 2026-03-27 | A flaw was found in Undertow. A remote attacker can exploit this vulnerability by sending `\r\r\r` as a header block terminator. This can be used for request s… |
CVE-2026-0603 | High | 8.3 | 2026-01-23 | A flaw was found in Hibernate. A remote attacker with low privileges could exploit a second-order SQL injection vulnerability by providing specially crafted, u… |
CVE-2025-3501 | High | 8.2 | 2025-04-29 | A flaw was found in Keycloak. By setting a verification policy to 'ALL', the trust store certificate verification is skipped, which is unintended. |
CVE-2026-16102 | High | 8.1 | 2026-08-05 | A flaw was found in the Dynamic Client Registration (DCR) component of Keycloak, an identity and access management solution. The default DCR policy fails to pr… |
CVE-2026-15573 | High | 8.1 | 2026-08-05 | A flaw was found in Keycloak's Authorization Services. The component responsible for matching request paths to security policies (PathMatcher) does not properl… |
CVE-2026-11800 | High | 8.1 | 2026-06-25 | A flaw was found in Keycloak. This JWT algorithm confusion vulnerability in the JWT Authorization Grant flow allows an attacker with valid client credentials t… |
CVE-2026-9800 | High | 8.1 | 2026-06-25 | A flaw was found in Keycloak Policy Enforcer. This vulnerability allows any authenticated user to bypass all authorization policies, including role, scope, and… |
CVE-2026-3009 | High | 8.1 | 2026-03-05 | A security flaw in the IdentityBrokerService.performLogin endpoint of Keycloak allows authentication to proceed using an Identity Provider (IdP) even after it… |
CVE-2025-23368 | High | 8.1 | 2025-03-04 | A flaw was found in Wildfly Elytron integration. The component does not implement sufficient measures to prevent multiple failed authentication attempts within… |
CVE-2024-3656 | High | 8.1 | 2024-10-09 | A flaw was found in Keycloak. Certain endpoints in Keycloak's admin REST API allow low-privilege users to access administrative functionalities. This flaw allo… |
CVE-2022-4137 | High | 8.1 | 2023-09-25 | A reflected cross-site scripting (XSS) vulnerability was found in the 'oob' OAuth endpoint due to incorrect null-byte handling. This issue allows a malicious l… |
CVE-2022-4039 | High | 8.0 | 2023-09-22 | A flaw was found in Red Hat Single Sign-On for OpenShift container images, which are configured with an unsecured management interface enabled. This flaw allow… |
CVE-2024-8698 | High | 7.7 | 2024-09-19 | A flaw exists in the SAML signature validation method within the Keycloak XMLSignatureUtil class. The method incorrectly determines whether a SAML signature is… |
CVE-2026-15567 | High | 7.5 | 2026-08-11 | A flaw was found in Wildfly. A remote unauthenticated attacker can trigger OutOfMemoryError as CSIv2Util's GSS token decoder reads an attacker-controlled lengt… |
CVE-2026-15565 | High | 7.5 | 2026-08-11 | A flaw was found in Undertow. A remote attacker can cause Out of Memory on websockets endpoint without authentication on any @ServerEndpoint class that has any… |
CVE-2024-4027 | High | 7.5 | 2026-01-30 | A flaw was found in Undertow. Servlets using a method that calls HttpServletRequestImpl.getParameterNames() can cause an OutOfMemoryError when the client sends… |