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CVE-2026-16442 Keycloak-services: keycloak-services: saml idp-initiated broker login bypasses link-only restriction

🗓️ 05 Aug 2026 15:00:39Reported by redhatType 
cvelist
 cvelist
🔗 www.cve.org👁 50 Views

Keycloak identity provider initiated login bypasses account linking, risking full local account access.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-16442
5 Aug 202615:00
–attackerkb
circl
Circl
CVE-2026-16442
6 Aug 202613:10
–circl
cve
CVE
CVE-2026-16442
5 Aug 202615:00
–cve
euvd
EUVD
EUVD-2026-53395
5 Aug 202615:00
–euvd
mend
Mend
CVE-2026-16442
5 Aug 202615:00
–mend
nvd
NVD
CVE-2026-16442
5 Aug 202616:16
–nvd
osv_bit
osv_bit
BIT-KEYCLOAK-2026-16442 Keycloak-services: keycloak-services: saml idp-initiated broker login bypasses link-only restriction
25 Aug 202611:41
–osv_bit
ptsecurity
Positive Technologies
PT-2026-68183
5 Aug 202600:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2026-16442: Origin Validation Error
5 Aug 202600:00
–rapid7
redhatcve
RedhatCVE
CVE-2026-16442
5 Aug 202613:45
–redhatcve
Rows per page
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    ],
    "cpes": [
      "cpe:/a:redhat:build_keycloak:26.4::el9"
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  },
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    "product": "Red Hat build of Keycloak 26.6.5",
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    "cpes": [
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  },
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    "product": "Red Hat build of Keycloak 26.6.5",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "defaultStatus": "unaffected",
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    "product": "Red Hat JBoss Enterprise Application Platform Expansion Pack",
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    "cpes": [
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  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Single Sign-On 7",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "keycloak-services",
    "defaultStatus": "unaffected",
    "cpes": [
      "cpe:/a:redhat:red_hat_single_sign_on:7"
    ]
  }
]

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31 Aug 2026 14:47Current
CVSS 3.17.4
EPSS0.00313
SSVC
50