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CVE-2026-1609

🗓️ 16 Jul 2026 00:26:10Reported by redhatType 
cve
 cve
🔗 web.nvd.nist.gov👁 35 Views

Keycloak flaw enables unauthorized access when the JSON Web Token grant is enabled and a user is disabled.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-1609
16 Jul 202600:26
attackerkb
Circl
CVE-2026-1609
12 Feb 202614:10
circl
CNNVD
Keycloak 安全漏洞
9 Feb 202600:00
cnnvd
Cvelist
CVE-2026-1609 Org.keycloak/keycloak-quarkus-server: keycloak: unauthorized access via jwt authorization grant with disabled users
16 Jul 202600:26
cvelist
EUVD
EUVD-2026-44841
16 Jul 202600:26
euvd
Tenable Nessus
Keycloak < 26.5.3 Multiple Vulnerabilities
11 Feb 202600:00
nessus
NVD
CVE-2026-1609
16 Jul 202601:16
nvd
Positive Technologies
PT-2026-60351
16 Jul 202600:00
ptsecurity
RedhatCVE
CVE-2026-1609
9 Feb 202619:25
redhatcve
Snyk
Improper Restriction of Security Token Assignment
9 Feb 202618:59
snyk
Rows per page
Vulners
Node
redhatkeycloakRange26.5.026.5.3
[
  {
    "vendor": "Keycloak",
    "product": "Keycloak",
    "versions": [
      {
        "status": "affected",
        "version": "26.5.0",
        "lessThan": "26.5.3",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat JBoss Enterprise Application Platform 8",
    "collectionURL": "https://access.redhat.com/jbossnetwork/restricted/listSoftware.html",
    "packageName": "keycloak-quarkus-server",
    "defaultStatus": "unaffected",
    "cpes": [
      "cpe:/a:redhat:jboss_enterprise_application_platform:8"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat JBoss Enterprise Application Platform 8",
    "collectionURL": "https://access.redhat.com/jbossnetwork/restricted/listSoftware.html",
    "packageName": "keycloak-quarkus-server-app",
    "defaultStatus": "unaffected",
    "cpes": [
      "cpe:/a:redhat:jboss_enterprise_application_platform:8"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat JBoss Enterprise Application Platform 8",
    "collectionURL": "https://access.redhat.com/jbossnetwork/restricted/listSoftware.html",
    "packageName": "keycloak-quarkus-server-deployment",
    "defaultStatus": "unaffected",
    "cpes": [
      "cpe:/a:redhat:jboss_enterprise_application_platform:8"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat JBoss Enterprise Application Platform Expansion Pack",
    "collectionURL": "https://access.redhat.com/jbossnetwork/restricted/listSoftware.html",
    "packageName": "keycloak-quarkus-server",
    "defaultStatus": "unaffected",
    "cpes": [
      "cpe:/a:redhat:jbosseapxp"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat JBoss Enterprise Application Platform Expansion Pack",
    "collectionURL": "https://access.redhat.com/jbossnetwork/restricted/listSoftware.html",
    "packageName": "keycloak-quarkus-server-app",
    "defaultStatus": "unaffected",
    "cpes": [
      "cpe:/a:redhat:jbosseapxp"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat JBoss Enterprise Application Platform Expansion Pack",
    "collectionURL": "https://access.redhat.com/jbossnetwork/restricted/listSoftware.html",
    "packageName": "keycloak-quarkus-server-deployment",
    "defaultStatus": "unaffected",
    "cpes": [
      "cpe:/a:redhat:jbosseapxp"
    ]
  }
]

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16 Jul 2026 16:19Current
6.1Medium risk
Vulners AI Score6.1
CVSS 3.18.1
EPSS0.00506
SSVC
35