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.
Severity (CVSS)
| Base score | 6.5 |
|---|---|
| Severity | Medium |
| Version | CVSS 3.1 |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N |
| Provided by | CNA |
Weaknesses
- CWE-613 — Insufficient Session Expiration
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Red Hat | Red Hat build of Keycloak 26.6 | 26.6.4-2 to <* |
| Red Hat | Red Hat build of Keycloak 26.6 | 26.6-8 to <* |
| Red Hat | Red Hat build of Keycloak 26.6 | 26.6-8 to <* |
| Red Hat | Red Hat build of Keycloak 26.6.4 | — |
References
- https://access.redhat.com/errata/RHSA-2026:30083 (vendor-advisory x_refsource_REDHAT)
- https://access.redhat.com/errata/RHSA-2026:30084 (vendor-advisory x_refsource_REDHAT)
- https://access.redhat.com/security/cve/CVE-2026-9705 (vdb-entry x_refsource_REDHAT)
- https://bugzilla.redhat.com/show_bug.cgi?id=2481878 (issue-tracking x_refsource_REDHAT)
Generated from the official CVE List on 26 Jun 2026 07:05 UTC.