RH
Product
Red Hat build of Keycloak 26.4
by Red Hat · last CVE Sep 16, 2026
70
CVEs
0
On KEV
9.8
Max CVSS
0
New 30D
Severity mix
Critical 3High 30Medium 33Low 7
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-2026-16442
9.8
0%
Aug 5
Keycloak-services: keycloak-services: saml idp-initiated broker login bypasses link-only restriction
Affected: All versions, or not specified
CVE-2026-18963
9.1
5%
Aug 18
Keycloak-services: keycloak-services: unauthenticated account takeover via reset-credentials flow bypass
Affected: All versions, or not specified
CVE-2026-16443
9.1
0%
Aug 5
Keycloak-services: keycloak-services: saml broker metadata import disables response signature validation
Affected: All versions, or not specified
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
0%
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
CVE-2026-9802
6.8
0%
May 28
Keycloak: keycloak: unauthorized account access via replayed refresh tokens after cluster restart
Affected: All versions, or not specified
CVE-2026-37982
6.8
0%
May 19
Keycloak: org.keycloak.authentication: keycloak: unauthorized account takeover via webauthn token replay
Affected: All versions, or not specified
CVE-2026-4630
6.8
0%
May 19
Keycloak: keycloak: unauthorized resource access and data modification via insecure direct object reference
Affected: All versions, or not specified
CVE-2026-4629
6.5
0%
Jun 30
Keycloak: keycloak: privilege escalation through hardcoded role mapper injection
Affected: All versions, or not specified
CVE-2026-9705
6.5
0%
Jun 25
Keycloak: keycloak: attacker can re-enable and take over disabled clients via registration access token
Affected: All versions, or not specified
CVE-2026-9792
6.5
0%
May 28
Keycloak: keycloak: security restriction bypass allows unauthorized ropc token acquisition
Affected: All versions, or not specified
CVE-2026-37979
6.5
0%
May 19
Keycloak: keycloak: information disclosure via oidc token introspection endpoint audience bypass
Affected: All versions, or not specified
CVE-2026-4366
5.8
0%
Mar 18
Keycloak-services: blind server-side request forgery (ssrf) via http redirect handling in keycloak
Affected: All versions, or not specified
CVE-2026-16071
5.4
0%
Aug 5
Keycloak-services: keycloak-services: ldap entry-dn user search bypasses configured users dn boundary
Affected: All versions, or not specified
CVE-2026-14614
5.4
0%
Jul 3
Keycloak-services: keycloak-services: fgap v2 client scope assignment bypass via clientresource
Affected: All versions, or not specified
CVE-2026-8922
5.4
0%
May 19
Org.keycloak/keycloak-services: keycloak: org.keycloak.protocol.oidc: security flaw in org.keycloak/keycloak-services
Affected: All versions, or not specified
CVE-2026-7500
5.4
0%
Apr 30
Org.keycloak.keycloak-services: improper access control on keycloak server when the account account api feature is disabled
Affected: All versions, or not specified
CVE-2025-14778
5.4
0%
Feb 9
Keycloak: incorrect ownership checks in /uma-policy/
Affected: All versions, or not specified
CVE-2026-19607
5.3
1%
Sep 16
Keycloak-services: keycloak-services: broker-originated username collision causes account lockout
Affected: All versions, or not specified
CVE-2026-9803
5.3
0%
May 28
Keycloak: keycloak: denial of service via malformed authorization header
Affected: All versions, or not specified
CVE-2026-9794
5.3
0%
May 28
Keycloak: keycloak: information disclosure via saml ecp endpoint
Affected: All versions, or not specified
CVE-2026-37977
5.3
0%
Apr 6
Keycloak: org.keycloak.protocol.oidc.grants.ciba: keycloak: information disclosure via cors header injection due to unvalidated jwt azp claim
Affected: All versions, or not specified
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