# Keycloak 26.7.3 released

DevFeed: [Keycloak 26.7.3 released](<https://devfeed.tech/articles/keycloak-26-7-3-released-31789.md>)

Original publisher: [Read original article](<https://www.keycloak.org/2026/08/keycloak-2673-released>)

Author: Keycloak Team

Published: 2026-08-31T00:00:00Z

Content type: release

Language: en

Sources: [Keycloak Blog](<https://devfeed.tech/sources/keycloak-blog.md>)

Topics: [Keycloak](<https://devfeed.tech/topics/keycloak.md>), [Security](<https://devfeed.tech/topics/security.md>), [OpenID connect (OIDC)](<https://devfeed.tech/topics/oidc.md>), [JSON Web Tokens](<https://devfeed.tech/topics/jwt.md>), [LDAP](<https://devfeed.tech/topics/ldap.md>), [reCAPTCHA](<https://devfeed.tech/topics/recaptcha.md>)

Tags: [2026](<https://devfeed.tech/tags/2026.md>), [cve](<https://devfeed.tech/tags/cve.md>), [idm](<https://devfeed.tech/tags/idm.md>), [jwt](<https://devfeed.tech/tags/jwt.md>), [kerberos](<https://devfeed.tech/tags/kerberos.md>), [keycloak](<https://devfeed.tech/tags/keycloak.md>), [keycloak-release](<https://devfeed.tech/tags/keycloak-release.md>), [ldap](<https://devfeed.tech/tags/ldap.md>), [microsoft](<https://devfeed.tech/tags/microsoft.md>), [oidc](<https://devfeed.tech/tags/oidc.md>), [openid-connect](<https://devfeed.tech/tags/openid-connect.md>), [recaptcha](<https://devfeed.tech/tags/recaptcha.md>), [release](<https://devfeed.tech/tags/release.md>), [saml](<https://devfeed.tech/tags/saml.md>), [security](<https://devfeed.tech/tags/security.md>), [sso](<https://devfeed.tech/tags/sso.md>)

## AI overview

Keycloak 26.7.3 was released on August 31, 2026. The release includes security fixes addressing LDAP certificate verification, signed-JWT assertion policies, authorization controls, information disclosure, token exchange restrictions, OIDC response-parameter injection, and related issues.

## Source excerpt

To download the release go to Keycloak downloads. Upgrading Before upgrading refer to the migration guide for a complete list of changes. All resolved issues Security fixes #50785 CVE-2026-35563: LDAP client implementation in version 2.1.7 does not verify if the server certificate matches the intended LDAP hostname ldap #50997 [CVE-2026-16093] Required signed-JWT assertion policy can be bypassed with unsigned assertion headers oidc #50998 [CVE-2026-16072] Organization managers can create managed members through stored registration links without manage-users organizations #51001 [CVE-2026-16108] Realm default-group reads disclose hidden groups under FGAP v2 admin/fine-grained-permissions #51002 [CVE-2026-16105] Missing per-role authorization on RoleContainerResource composite endpoints admin/rbac #51003 [CVE-2026-16089] Authorization codes can be retargeted to another client session oidc #51005 [CVE-2026-16104] Authenticator config surfaces expose raw reCAPTCHA secrets admin/fine-grained-permissions #51112 [CVE-2026-16106] Incorrect authorization in admin role-composite deletion allows delegated admin to remove privileged child roles admin/fine-grained-permissions #51142 [CVE-2026-17059] Information disclosure: GET /roles/{role}/users returns user PII without the per-user view filter admin/fine-grained-permissions #51279 [CVE-2026-18218] Client not-before revocation is ignored when realm not-before is older but nonzero oidc #51282 [CVE-2026-18215] Microsoft external access-token exchange bypasses configured tenant token-exchange #51283 [CVE-2026-18201] Generic identity-provider creation can bind brokers to organizations without manage-organizations organizations #51286 [CVE-2026-18209] Incomplete fix for redirect_uri OIDC response-parameter injection: forbidden-parameter check (commit 18832bca) inspects only the query string, not the URL fragment oidc #51287 [CVE-2026-18214] Google external access-token exchange bypasses hosted-domain restriction token-exchange #5137