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CVE-2026-7507 Org.keycloak/keycloak-services: session fixation in oidc login flow that can lead to account takeover

🗓️ 19 May 2026 11:01:25Reported by redhatType 
cvelist
 cvelist
🔗 www.cve.org👁 36 Views

A session fixation flaw in Keycloak login actions enables an attacker to hijack SSO and take over accounts via a crafted link.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-7507
19 May 202611:01
attackerkb
Circl
CVE-2026-7507
19 May 202613:22
circl
CNNVD
Keycloak 安全漏洞
19 May 202600:00
cnnvd
CVE
CVE-2026-7507
19 May 202611:01
cve
EUVD
EUVD-2026-30889
19 May 202611:01
euvd
Github Security Blog
Keycloak: Session fixation in OIDC login flow that can lead to account takeover
19 May 202612:31
github
Tenable Nessus
Keycloak < 26.6.2 Multiple Vulnerabilities
22 May 202600:00
nessus
NVD
CVE-2026-7507
19 May 202612:16
nvd
OSV
GHSA-HF67-5VVQ-FM3R Keycloak: Session fixation in OIDC login flow that can lead to account takeover
19 May 202612:31
osv
OSV
MINI-29JR-5RGH-PVR3
5 Jun 202616:52
osv
Rows per page
[
  {
    "vendor": "Red Hat",
    "product": "Red Hat build of Keycloak 26.2",
    "collectionURL": "https://catalog.redhat.com/software/containers/",
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    "defaultStatus": "affected",
    "versions": [
      {
        "version": "26.2.16-1",
        "lessThan": "*",
        "versionType": "rpm",
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      }
    ],
    "cpes": [
      "cpe:/a:redhat:build_keycloak:26.2::el9"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat build of Keycloak 26.2",
    "collectionURL": "https://catalog.redhat.com/software/containers/",
    "packageName": "rhbk/keycloak-rhel9",
    "defaultStatus": "affected",
    "versions": [
      {
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    ],
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  },
  {
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    ],
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  },
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    "vendor": "Red Hat",
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  },
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    "vendor": "Red Hat",
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    "collectionURL": "https://catalog.redhat.com/software/containers/",
    "packageName": "rhbk/keycloak-operator-bundle",
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      }
    ],
    "cpes": [
      "cpe:/a:redhat:build_keycloak:26.4::el9"
    ]
  },
  {
    "vendor": "Red Hat",
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    "collectionURL": "https://catalog.redhat.com/software/containers/",
    "packageName": "rhbk/keycloak-rhel9-operator",
    "defaultStatus": "affected",
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    "vendor": "Red Hat",
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    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
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    "packageName": "rhbk/keycloak-rhel9-operator",
    "cpes": [
      "cpe:/a:redhat:build_keycloak:26.4::el9"
    ]
  }
]

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