Red Hat Security Advisory: Red Hat build of Keycloak 26.2.13 Security Update
Affects Red HatSource GCVE Database
Mentioned vulnerabilities
Not known to be exploited · CVSS 5.4 Medium.
Data as of 26 Oct 2026, 17:16 UTC
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 25% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:NExploitation evidence
Disclosed: evidence found.
CVE published 9 Feb 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: 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 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Red HatRed Hat build of Keycloak 26.2 | Affected– | Fixed in– |
| Red HatRed Hat build of Keycloak 26.2 | Affected– | Fixed in– |
| Red HatRed Hat build of Keycloak 26.2.13 | Affected– | Fixed in– |
| Red HatRed Hat build of Keycloak 26.4 | Affected– | Fixed in– |
| Red HatRed Hat build of Keycloak 26.4 | Affected– | Fixed in– |
| Red HatRed Hat build of Keycloak 26.4 | Affected– | Fixed in– |
AI-suggested
Red Hat has released an updated package for Red Hat build of Keycloak version 26.2.13 that addresses these vulnerabilities. Users should back up their existing installations, including applications, configurations, and databases, before applying the update. Applying this update is the recommended remediation. Patch status is confirmed by Red Hat advisory RHSA-2026:2363. No additional mitigations or workarounds are specified in the advisory.
Description
Red Hat build of Keycloak 26.2.13 addresses two security vulnerabilities: an unauthorized organization registration issue due to improper invitation token validation (CVE-2026-1529) and incorrect ownership checks in the /uma-policy/ endpoint (CVE-2025-14778). These issues could allow unauthorized actions related to organization registration and policy ownership validation. The update is classified as important by Red Hat and applies to the Red Hat build of Keycloak. Users are advised to back up their installations before applying the update.