Lucene search
K

CVE-2026-1609 Org.keycloak/keycloak-quarkus-server: keycloak: unauthorized access via jwt authorization grant with disabled users

🗓️ 16 Jul 2026 00:26:10Reported by redhatType 
cvelist
 cvelist
🔗 www.cve.org👁 8 Views

Keycloak flaw permits a JSON web token for a disabled user when the authorization grant preview is enabled, enabling unauthorized access.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
Circl
CVE-2026-1609
12 Feb 202614:10
circl
CNNVD
Keycloak 安全漏洞
9 Feb 202600:00
cnnvd
CVE
CVE-2026-1609
16 Jul 202600:26
cve
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
RedhatCVE
CVE-2026-1609
9 Feb 202619:25
redhatcve
Snyk
Improper Restriction of Security Token Assignment
9 Feb 202618:59
snyk
[
  {
    "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"
    ]
  }
]

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation