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
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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-2026-9802
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-2025-11538
6.8
0%
Nov 13
Keycloak-server: debug default bind address
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-2025-14559
6.5
0%
Jan 21
Org.keycloak/keycloak-services: keycloak keycloak-services: business logic flaw allows unauthorized token issuance for disabled users
Affected: All versions, or not specified
CVE-2025-14777
6.0
0%
Dec 16
Keycloak: keycloak idor in realm client creating/deleting
Affected: All versions, or not specified
CVE-2025-12390
6.0
0%
Oct 28
Org.keycloak.protocol.oidc.endpoints.logoutendpoint: offline session takeover due to reused authentication session id
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-2026-1180
5.8
0%
Jan 20
Org.keycloak.protocol.oidc: blind server-side request forgery (ssrf) in keycloak oidc dynamic client registration via jwks_uri
Affected: All versions, or not specified
CVE-2025-13467
5.5
0%
Nov 25
Org.keycloak.storage.ldap: keycloak: deserialization of untrusted data in ldap user federation
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-2025-12110
5.4
0%
Oct 23
Keycloak: org.keycloak:keycloak-services: user can refresh offline session even after client's offline_access scope was removed
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
CVE-2026-4325
5.3
0%
Apr 2
Keycloak: keycloak: replay of action tokens via improper handling of single-use entries
Affected: All versions, or not specified
CVE-2026-2575
5.3
1%
Mar 18
Keycloak: keycloak: denial of service due to excessive samlrequest decompression
Affected: All versions, or not specified
CVE-2026-0707
5.3
0%
Jan 8
Keycloak: keycloak authorization header parsing leading to potential security control bypass
Affected: All versions, or not specified
CVE-2026-19729
4.9
1%
Sep 9
Keycloak-services: keycloak-services: incomplete fix for arbitrary filesystem path probing via keystore parameters
Affected: All versions, or not specified
CVE-2026-9083
4.9
1%
Jun 25
Keycloak: keycloak: information disclosure through arbitrary filesystem path probing
Affected: All versions, or not specified
CVE-2026-9801
4.9
0%
May 28
Keycloak: keycloak: denial of service via malformed ldap password policy response
Affected: All versions, or not specified
CVE-2026-37978
4.9
0%
May 19
Keycloak: org.keycloak.services: keycloak: information disclosure via evaluate-scopes admin api
Affected: All versions, or not specified
CVE-2026-0871
4.9
0%
Feb 27
Org.keycloak/keycloak-services: keycloak: unauthorized modification of unmanaged user attributes by administrators
Affected: All versions, or not specified
CVE-2026-9799
4.6
0%
Jun 25
Keycloak: keycloak: unauthorized access to resources via uma permission ticket bypass
Affected: All versions, or not specified
CVE-2026-14209
4.3
0%
Jun 30
Keycloak-admin-ui: keycloak-admin-ui:admin ui extension brute-force-user endpoint bypasses fgapv2 user view restrictions
Affected: All versions, or not specified
CVE-2026-9798
4.3
0%
May 28
Keycloak: keycloak: brute-force protection bypass in ciba flow
Affected: All versions, or not specified
CVE-2026-9791
4.3
0%
May 28
Keycloak-rhel9: organization data leak after feature disabled in keycloak
Affected: All versions, or not specified
CVE-2026-37981
4.3
0%
May 19
Keycloak: org.keycloak.authorization: keycloak: information disclosure via broken access control in user lookup endpoint
Affected: All versions, or not specified
CVE-2026-8830
4.3
0%
May 19
Keycloak: org.keycloak/keycloak-services: keycloak: policy bypass during webauthn credential registration via client-side javascript manipulation
Affected: All versions, or not specified
CVE-2026-3190
4.3
0%
Mar 26
Keycloak: keycloak: information disclosure via improper role enforcement in uma 2.0 protection api
Affected: All versions, or not specified
CVE-2026-9689
4.2
0%
May 27
Keycloak: org.keycloak.protocol.oidc: http parameter pollution in oidc redirect uri allows response parameter duplication - #ghi-604
Affected: All versions, or not specified
CVE-2026-3429
4.2
0%
Mar 11
Org.keycloak.services.resources.account: improper access control leading to mfa deletion and account takeover in keycloak account rest api
Affected: All versions, or not specified
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