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CVE-2026-9689

🗓️ 27 May 2026 10:35:03Reported by redhatType 
cve
 cve
🔗 web.nvd.nist.gov👁 95 Views

Http parameter pollution in Keycloak enables attacker-controlled data during OpenID Connect redirects when redirect addresses are allowed.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-9689
27 May 202610:35
attackerkb
cgr
Chainguard
CVE-2026-9689 vulnerabilities
22 Aug 202602:17
cgr
circl
Circl
CVE-2026-9689
28 May 202611:39
circl
cnnvd
CNNVD
Keycloak 安全漏洞
27 May 202600:00
cnnvd
cvelist
Cvelist
CVE-2026-9689 Keycloak: org.keycloak.protocol.oidc: http parameter pollution in oidc redirect uri allows response parameter duplication - #ghi-604
27 May 202610:35
cvelist
euvd
EUVD
EUVD-2026-32212
27 May 202610:35
euvd
github
Github Security Blog
Keycloak Services has Improper Validation of Consistency within Input
27 May 202612:31
github
nvd
NVD
CVE-2026-9689
27 May 202612:17
nvd
osv
OSV
CGA-33RR-H86W-6C5F
2 Jul 202611:15
osv
osv
OSV
CGA-3GXH-25H9-C3JH
2 Jul 202612:43
osv
Rows per page
NVD
Vulners
[
  {
    "vendor": "Red Hat",
    "product": "Red Hat build of Keycloak 26.4",
    "collectionURL": "https://catalog.redhat.com/software/containers/",
    "packageName": "rhbk/keycloak-operator-bundle",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "26.4.14-1",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:build_keycloak:26.4::el9"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat build of Keycloak 26.4",
    "collectionURL": "https://catalog.redhat.com/software/containers/",
    "packageName": "rhbk/keycloak-rhel9",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "26.4-22",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:build_keycloak:26.4::el9"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat build of Keycloak 26.4",
    "collectionURL": "https://catalog.redhat.com/software/containers/",
    "packageName": "rhbk/keycloak-rhel9-operator",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "26.4-22",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:build_keycloak:26.4::el9"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat build of Keycloak 26.4.14",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "defaultStatus": "unaffected",
    "packageName": "rhbk/keycloak-rhel9",
    "cpes": [
      "cpe:/a:redhat:build_keycloak:26.4::el9"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat build of Keycloak 26.6",
    "collectionURL": "https://catalog.redhat.com/software/containers/",
    "packageName": "rhbk/keycloak-operator-bundle",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "26.6.5-1",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:build_keycloak:26.6::el9"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat build of Keycloak 26.6",
    "collectionURL": "https://catalog.redhat.com/software/containers/",
    "packageName": "rhbk/keycloak-rhel9",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "26.6-11",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:build_keycloak:26.6::el9"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat build of Keycloak 26.6",
    "collectionURL": "https://catalog.redhat.com/software/containers/",
    "packageName": "rhbk/keycloak-rhel9-operator",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "26.6-11",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:build_keycloak:26.6::el9"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat build of Keycloak 26.6.5",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "defaultStatus": "unaffected",
    "cpes": [
      "cpe:/a:redhat:build_keycloak:26.6::el9"
    ]
  }
]

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20 Aug 2026 01:16Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.14.2
EPSS0.00322
SSVC
95