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CVE-2026-9796 Keycloak: keycloak: privilege escalation via time-of-check to time-of-use (toctou) vulnerability

🗓️ 28 May 2026 04:27:08Reported by redhatType 
cvelist
 cvelist
🔗 www.cve.org👁 38 Views

Admin with manage-clients can exploit a time of check to time of use flaw to gain realm-admin rights.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-9796
28 May 202604:27
attackerkb
Circl
CVE-2026-9796
28 May 202607:24
circl
CNNVD
Keycloak 安全漏洞
28 May 202600:00
cnnvd
CVE
CVE-2026-9796
28 May 202604:27
cve
EUVD
EUVD-2026-32716
28 May 202604:27
euvd
Github Security Blog
Keycloak has a Time-of-check Time-of-use (TOCTOU) Race Condition
28 May 202606:31
github
NVD
CVE-2026-9796
28 May 202605:16
nvd
OSV
GHSA-PQ65-77RC-7R8C Keycloak has a Time-of-check Time-of-use (TOCTOU) Race Condition
28 May 202606:31
osv
Positive Technologies
PT-2026-44187
28 May 202600:00
ptsecurity
Positive Technologies
PT-2026-55152
28 May 202600:00
ptsecurity
Rows per page
[
  {
    "vendor": "Red Hat",
    "product": "Red Hat Build of Keycloak",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "rhbk/keycloak-rhel9",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/a:redhat:build_keycloak:"
    ]
  }
]

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