CVE-2026-89298: Information Exposure
Source GCVE Database
Not known to be exploited · CVSS 4.9 Medium : update Red Hat Single Sign-On 7 when convenient.
Data as of 6 Nov 2026, 14:06 UTC
Thin evidence
One scorer or none| CNA (redhat) | CVSS 3.1 | 4.9 |
|---|
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:NExploitation evidence
Disclosed: evidence found.
CVE published 11 Sep 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 6 Nov 2026.
What to do
Patches and advisories
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Red Hat build of Keycloak 26.6.8keycloak/rhbk-openshift-rhel9 | Affected– | Fixed in– |
| Red Hat build of Keycloak 26.6.8keycloak-services | Affected– | Fixed in– |
| Red Hat build of Keycloak 26.6.8rhbk/keycloak-rhel9 | Affected– | Fixed in– |
| Red Hat Single Sign-On 7keycloak-services | Affected– | Fixed in– |
AI-suggested
A security update is available in Red Hat build of Keycloak version 26.6.8 that addresses this vulnerability. Users should apply this official fix promptly to remediate the issue. No additional mitigations are specified by the vendor advisory.
Description
A vulnerability in Keycloak's Dynamic Client Registration service allows users with the view-clients role to retrieve client secrets in cleartext. This exposure could enable a read-only administrator to gain full access to the affected client's account and potentially escalate privileges within the realm. The flaw is identified as CVE-2026-89298 and has a medium severity rating with a CVSS score of 4.9. A security update is available in Red Hat build of Keycloak 26.6.8 that addresses this and other issues.