Vulnerabilities of Red Hat Red Hat Build of Keycloak

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CVE list

CVE	Summary	Score	Published
CVE-2026-94000	A flaw was found in the Admin REST API of Keycloak, an open-source identity and access management solution	6.6 Medium	Sep 19, 2026
CVE-2026-93999	A flaw was found in the OIDC protocol implementation of Keycloak, an open-source identity and access management solution	4.2 Medium	Sep 19, 2026
CVE-2026-93562	A flaw was found in Netty's HTTP/1 decoder	6.5 Medium	Sep 18, 2026
CVE-2026-93574	A flaw was found in Netty's `netty-codec-http` component	6.5 Medium	Sep 18, 2026
CVE-2026-93432	A flaw was found in the Quarkus Qute template engine	6.1 Medium	Sep 18, 2026
CVE-2026-93579	Io.netty/netty-codec-http2: netty: http/2 header field values are not validated by default (cr/lf/nul passthrough)	6.5 Medium	Sep 18, 2026
CVE-2026-93573	A flaw was found in Netty's HTTP/1.1 decoder	6.5 Medium	Sep 18, 2026
CVE-2026-93568	Io.netty/netty-codec-http2: io.netty/netty-codec-http3: netty: http/2 and http/3 extended connect requests are downgraded as regular connect requests	7.5 High	Sep 18, 2026
CVE-2026-93569	Io.netty/netty-codec-http2: http/1 absolute-form host mismatch is translated to http/2 :authority, overriding the request-target authority	8.2 High	Sep 18, 2026
CVE-2026-93567	Io.netty/netty-codec-http2: http/1 authority-form connect is translated to malformed http/2 connect with host-controlled :authority	7.5 High	Sep 18, 2026
CVE-2026-93566	A flaw was found in Netty	6.5 Medium	Sep 18, 2026
CVE-2026-10832	Org.wildfly.security/wildfly-elytron-asn1: unbounded memory allocation in wildfly elytron asn.1 derdecoder via crafted der payload	5.9 Medium	Sep 18, 2026
CVE-2026-93565	A flaw was found in Netty RtspDecoder	7.5 High	Sep 18, 2026
CVE-2026-93564	A flaw was found in Netty	7.5 High	Sep 18, 2026
CVE-2026-93558	A flaw was found in Netty's WebSocketServerExtensionHandler	7.5 High	Sep 18, 2026
CVE-2026-93492	Io.netty/netty-codec-http2: netty: http/2 hpackencoder dos with large table size	5.3 Medium	Sep 18, 2026
CVE-2026-93491	A flaw was found in Netty's HttpServerCodec	7.5 High	Sep 18, 2026
CVE-2026-93488	A flaw was found in Netty	7.5 High	Sep 18, 2026
CVE-2026-87743	A flaw was found in Quarkus HTTP security	7.5 High	Sep 18, 2026
CVE-2026-89058	Resteasy-core: resteasy: corsfilter reflects arbitrary origin with credentials under wildcard config	7.4 High	Sep 18, 2026
CVE-2026-89059	Resteasy-core: resteasy: iioimageprovider unbounded image decode (decompression-bomb dos)	7.5 High	Sep 18, 2026
CVE-2026-90997	A flaw was found in Keycloak	7.4 High	Sep 17, 2026
CVE-2026-79651	A flaw was found in the theme localization endpoints of the keycloak-services component, which is the core service…	7.5 High	Sep 16, 2026
CVE-2026-74909	Keycloak provides a policy enforcer to protect applications by matching incoming web requests against defined security…	8.1 High	Sep 16, 2026
CVE-2026-18212	A flaw was found in the SAML Redirect Binding implementation of Keycloak, an open-source identity and access…	7.5 High	Sep 16, 2026

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