RH
Product
Red Hat build of Keycloak 26.2
by Red Hat · last CVE May 19, 2026
26
CVEs
0
On KEV
8.8
Max CVSS
0
New 30D
Severity mix
Critical 0High 15Medium 10Low 1
Watch

Add Red Hat build of Keycloak 26.2 to your stack to get only the CVEs that touch what you run.

CVECVSSEPSSPublishedSummary · affected versions
CVE-2026-3047
8.8
1%
Mar 5
Org.keycloak.broker.saml: keycloak saml broker: authentication bypass due to disabled saml client completing idp-initiated login
Affected: All versions, or not specified
CVE-2025-3501
8.2
0%
Apr 29
Org.keycloak.protocol.services: keycloak hostname verification
Affected: All versions, or not specified
CVE-2026-7504
8.1
0%
May 19
Org.keycloak/keycloak-services: open redirect when using wildcard valid redirect uris in keycloak
Affected: All versions, or not specified
CVE-2026-4636
8.1
0%
Apr 2
Keycloak: keycloak: uma policy bypass allows authenticated users to gain unauthorized access to victim-owned resources.
Affected: All versions, or not specified
CVE-2026-2603
8.1
0%
Mar 18
Keycloak: keycloak: unauthorized authentication via disabled saml identity provider
Affected: All versions, or not specified
CVE-2026-1529
8.1
0%
Feb 9
Org.keycloak.services.resources.organizations: keycloak: unauthorized organization registration via improper invitation token validation
Affected: All versions, or not specified
CVE-2026-2092
7.7
0%
Mar 18
Keycloak-services: keycloak: unauthorized access via improper validation of encrypted saml assertions
Affected: All versions, or not specified
CVE-2026-7507
7.5
1%
May 19
Org.keycloak/keycloak-services: session fixation in oidc login flow that can lead to account takeover
Affected: All versions, or not specified
CVE-2026-7307
7.5
1%
May 19
Keycloak: keycloak: denial of service via specially crafted saml input
Affected: All versions, or not specified
CVE-2026-4634
7.5
1%
Apr 2
Keycloak: keycloak: denial of service via excessive processing of openid connect scope parameters
Affected: All versions, or not specified
CVE-2025-11419
7.5
1%
Dec 23
Keycloak: keycloak tls client-initiated renegotiation denial of service
Affected: All versions, or not specified
CVE-2026-4282
7.4
0%
Apr 2
Keycloak: keycloak: privilege escalation via forged authorization codes due to singleuseobjectprovider isolation flaw
Affected: All versions, or not specified
CVE-2024-12397
7.4
1%
Dec 12
Io.quarkus.http/quarkus-http-core: quarkus http cookie smuggling
Affected: All versions, or not specified
CVE-2026-3872
7.3
0%
Apr 2
Keycloak: keycloak: information disclosure due to redirect_uri validation bypass
Affected: All versions, or not specified
CVE-2025-7365
7.1
0%
Jul 10
Keycloak: phishing attack via email verification step in first login flow
Affected: All versions, or not specified
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