Vulnerabilities of Red Hat Red Hat Single Sign-On 7

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CVE	Summary	Score	Published
CVE-2026-117691	Keycloak-services: keycloak-services: saml redirect binding signature bypass via percent-encoded parameter names	9.1 Critical	Nov 5, 2026
CVE-2026-18963	A flaw was found in the reset-credentials flow of the keycloak-services component, which is the core engine for identity…	9.1 Critical	Aug 18, 2026
CVE-2026-40976	In certain circumstances, Spring Boot's default web security is ineffective allowing unauthorized access to all…	9.1 Critical	Apr 27, 2026
CVE-2026-40478	Thymeleaf is a server-side Java template engine for web and standalone environments	9.1 Critical	Apr 17, 2026
CVE-2026-40477	Thymeleaf is a server-side Java template engine for web and standalone environments	9.1 Critical	Apr 17, 2026
CVE-2025-14813	: Use of a Broken or Risky Cryptographic Algorithm vulnerability in Legion of the Bouncy Castle Inc	9.3 Critical	Apr 15, 2026
CVE-2026-27446	Missing Authentication for Critical Function (CWE-306) vulnerability in Apache Artemis, Apache ActiveMQ Artemis	9.3 Critical	Mar 4, 2026
CVE-2025-61686	React Router is a router for React	9.1 Critical	Jan 10, 2026
CVE-2025-12543	Undertow-core: undertow http server fails to reject malformed host headers leading to potential cache poisoning and ssrf	9.6 Critical	Jan 7, 2026