RH
Product
Red Hat build of Keycloak 26.4
by Red Hat · last CVE Sep 16, 2026
87
CVEs
0
On KEV
9.8
Max CVSS
0
New 30D
Severity mix
Critical 3High 30Medium 41Low 13
Watch

Add Red Hat build of Keycloak 26.4 to your stack to get only the CVEs that touch what you run.

CVECVSSEPSSPublishedSummary · affected versions
CVE-2026-15572
8.8
1%
Aug 5
Keycloak-services: keycloak-services: dcr protocol mapper type-swap policy bypass allows privilege escalation
Affected: All versions, or not specified
CVE-2026-9704
8.8
0%
May 27
Keycloak: keycloak: privilege escalation due to oversized subject_token jwt
Affected: All versions, or not specified
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-2026-1486
8.8
0%
Feb 9
Org.keycloak.protocol.oidc.grants: disabled identity providers are still accepted for jwt authorization grant
Affected: All versions, or not specified
CVE-2026-74909
8.1
1%
Sep 16
Keycloak-services: keycloak-services: incomplete fix for cve-2026-15573 allows policy enforcer bypass via percent-encoded uri segments
Affected: All versions, or not specified
CVE-2026-16102
8.1
0%
Aug 5
Keycloak-services: keycloak-services: default dcr policy allows role forgery via user property mappers
Affected: All versions, or not specified
CVE-2026-15573
8.1
0%
Aug 5
Keycloak-services: keycloak-services: authorization bypass via unnormalized uri matching in pathmatcher
Affected: All versions, or not specified
CVE-2026-9800
8.1
1%
Jun 25
Keycloak-policy-enforcer: keycloak policy enforcer: authorization bypass via incorrect uri comparison
Affected: All versions, or not specified
CVE-2026-54513
8.1
1%
Jun 23
jackson-databind: Array subtype allowlist bypass in BasicPolymorphicTypeValidator (allowIfSubTypeIsArray)
Affected: All versions, or not specified
CVE-2026-9087
8.1
0%
May 20
Keycloak: cross-session email verification proof not bound to upstream identity in first-broker-login
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-2026-3009
8.1
0%
Mar 5
Org.keycloak/keycloak-services: improper enforcement of disabled identity provider in identitybrokerservice (authentication bypass)
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-2026-9099
7.7
0%
Jun 25
Keycloak: group-admin escalation to realm-admin
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-2026-79651
7.5
1%
Sep 16
Keycloak-services: keycloak-services: unauthenticated dos via unbounded locale caching
Affected: All versions, or not specified
CVE-2026-18212
7.5
1%
Sep 16
Keycloak-services: keycloak-services: saml redirect deflate helpers leak native zlib state
Affected: All versions, or not specified
CVE-2026-9793
7.5
0%
May 28
Keycloak: keycloak: security policy bypass in jwe-encrypted request object processing
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-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-2026-9086
7.3
1%
Jun 25
Keycloak: keycloak: cross-site scripting (xss) via case-insensitive uri validation bypass
Affected: All versions, or not specified
CVE-2026-9795
7.3
0%
May 28
Keycloak: keycloak: privilege escalation via improper scope mapping enforcement
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-2026-17526
7.2
1%
Sep 16
Keycloak-services: keycloak-services: privilege escalation via impersonation role allows takeover of realm administrator accounts
Affected: All versions, or not specified
CVE-2026-3121
7.2
0%
Mar 26
Keycloak: org.keycloak/keycloak-services: keycloak: privilege escalation via manage-clients permission
Affected: All versions, or not specified
CVE-2026-7571
7.1
0%
May 19
Keycloak: keycloak: access token disclosure and implicit flow bypass via forged client data
Affected: All versions, or not specified
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