CVE-2026-9705 Keycloak: keycloak: attacker can re-enable and take over disabled clients via registration access token
Attackers with a registration token can re-enable disabled clients and reset secrets, bypassing administrative controls to regain API access.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-9705?
CVE-2026-9705 is a medium-severity vulnerability in Redhat Build of Keycloak, published on 25 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A flaw was found in Keycloak's client registration service. A remote attacker, possessing a previously issued Registration Access Token (RAT), could exploit this vulnerability to re-enable a client that an administrator had explicitly disabled. This bypasses security controls, allowing the attacker to reset the client's secret and potentially regain privileged API access. The primary impact includes unauthorized information disclosure and potential integrity compromise.
Weakness: CWE-613
Which versions are affected by CVE-2026-9705?
3 open source packages ship an affected version, including org.keycloak:keycloak-services and keycloak. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
org.keycloak:keycloak-services Maven | All versions | 26.6.4 |
org.keycloak:keycloak-services Maven | All versions | 26.6.4 |
keycloak Bitnami | From 26.4.0 | 26.4.13, 26.6.4 |
Products include Redhat Build of Keycloak.
How do I fix CVE-2026-9705?
Upgrade org.keycloak:keycloak-services to 26.6.4 or later.
Is CVE-2026-9705 being exploited?
There is no known exploitation of CVE-2026-9705 in the wild and no public exploit code.
Other vulnerabilities in Redhat Build of Keycloak
- CVE-2026-15572 Keycloak-services: keycloak-services: dcr protocol mapper type-swap policy bypass allows privilege escalation
- CVE-2026-3047 Keycloak SAML Broken has Authentication Bypass by Primary Weakness
- CVE-2026-15573 Keycloak-services: keycloak-services: authorization bypass via unnormalized uri matching in pathmatcher
- CVE-2026-16102 Keycloak-services: keycloak-services: default dcr policy allows role forgery via user property mappers
- CVE-2026-1609 Org.keycloak/keycloak-quarkus-server: keycloak: unauthorized access via jwt authorization grant with disabled users
Sources
Also known as BIT-keycloak-2026-9705, GHSA-r7rc-c989-86g6.