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CVE-2026-4636 Keycloak: keycloak: uma policy bypass allows authenticated users to gain unauthorized access to victim-owned resources.
| Reporter | Title | Published | Views | Family All 26 |
|---|---|---|---|---|
 | CVE-2026-4636 | 2 Apr 202612:45 | – | attackerkb |
 | April Linux Patch Wednesday | 22 Apr 202616:00 | – | avleonov |
 | The vulnerability of the Keycloak identity and access management software lies in improper behavior patterns, allowing unauthorized users to gain unauthorized access to confidential information. | 28 Apr 202600:00 | – | bdu_fstec |
 | CVE-2026-4636 vulnerabilities | 5 Apr 202601:17 | – | cgr |
 | CVE-2026-4636 | 2 Apr 202614:40 | – | circl |
 | Keycloak 安全漏洞 | 2 Apr 202600:00 | – | cnnvd |
 | CVE-2026-4636 | 2 Apr 202612:45 | – | cve |
 | EUVD-2026-18213 | 2 Apr 202615:31 | – | euvd |
 | Keycloak: UMA Policy Resource Injection Allows Unauthorized Cross-User Permission Grants | 2 Apr 202615:31 | – | github |
 | CVE-2026-4636 | 2 Apr 202613:16 | – | nvd |
10
[
{
"vendor": "Red Hat",
"product": "Red Hat build of Keycloak 26.2",
"collectionURL": "https://catalog.redhat.com/software/containers/",
"packageName": "rhbk/keycloak-operator-bundle",
"defaultStatus": "affected",
"versions": [
{
"version": "26.2.15-1",
"lessThan": "*",
"versionType": "rpm",
"status": "unaffected"
}
],
"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": [
{
"version": "26.2-18",
"lessThan": "*",
"versionType": "rpm",
"status": "unaffected"
}
],
"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-operator",
"defaultStatus": "affected",
"versions": [
{
"version": "26.2-18",
"lessThan": "*",
"versionType": "rpm",
"status": "unaffected"
}
],
"cpes": [
"cpe:/a:redhat:build_keycloak:26.2::el9"
]
},
{
"vendor": "Red Hat",
"product": "Red Hat build of Keycloak 26.2.15",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"defaultStatus": "unaffected",
"packageName": "rhbk/keycloak-rhel9",
"cpes": [
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]
},
{
"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": "26.4.11-1",
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"status": "unaffected"
}
],
"cpes": [
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]
},
{
"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": "26.4-14",
"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": "26.4-14",
"lessThan": "*",
"versionType": "rpm",
"status": "unaffected"
}
],
"cpes": [
"cpe:/a:redhat:build_keycloak:26.4::el9"
]
},
{
"vendor": "Red Hat",
"product": "Red Hat build of Keycloak 26.4.11",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"defaultStatus": "unaffected",
"packageName": "rhbk/keycloak-rhel9",
"cpes": [
"cpe:/a:redhat:build_keycloak:26.4::el9"
]
}
]Data
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09 Jun 2026 13:56Current
CVSS 3.18.1
EPSS0.00346