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CVE-2025-13467 (GCVE-0-2025-13467)
Vulnerability from cvelistv5 – Published: 2025-11-25 16:02 – Updated: 2025-12-23 21:00- CWE-502 - Deserialization of Untrusted Data
| URL | Tags |
|---|---|
| https://access.redhat.com/errata/RHSA-2025:22088 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2025:22089 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2025:22090 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2025:22091 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/security/cve/CVE-2025-13467 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2416038 | issue-trackingx_refsource_REDHAT |
| https://github.com/keycloak/keycloak/commit/754c0… | |
| https://github.com/keycloak/keycloak/issues/44478 |
| Vendor | Product | Version | |
|---|---|---|---|
| Keycloak | Keycloak |
Affected:
0 , < 26.4.6
(semver)
|
|
| Red Hat | Red Hat build of Keycloak 26.2 |
Unaffected:
26.2.11-1 , < *
(rpm)
cpe:/a:redhat:build_keycloak:26.2::el9 |
|
| Red Hat | Red Hat build of Keycloak 26.2 |
Unaffected:
26.2-12 , < *
(rpm)
cpe:/a:redhat:build_keycloak:26.2::el9 |
|
| Red Hat | Red Hat build of Keycloak 26.2 |
Unaffected:
26.2-12 , < *
(rpm)
cpe:/a:redhat:build_keycloak:26.2::el9 |
|
| Red Hat | Red Hat build of Keycloak 26.2.11 |
cpe:/a:redhat:build_keycloak:26.2::el9 |
|
| Red Hat | Red Hat build of Keycloak 26.4 |
Unaffected:
26.4.6-1 , < *
(rpm)
cpe:/a:redhat:build_keycloak:26.4::el9 |
|
| Red Hat | Red Hat build of Keycloak 26.4 |
Unaffected:
26.4-6 , < *
(rpm)
cpe:/a:redhat:build_keycloak:26.4::el9 |
|
| Red Hat | Red Hat build of Keycloak 26.4 |
Unaffected:
26.4-5 , < *
(rpm)
cpe:/a:redhat:build_keycloak:26.4::el9 |
|
| Red Hat | Red Hat build of Keycloak 26.4.6 |
cpe:/a:redhat:build_keycloak:26.4::el9 |
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FKIE_CVE-2025-13467
Vulnerability from fkie_nvd - Published: 2025-11-25 16:16 - Updated: 2026-04-15 00:35| Vendor | Product | Version |
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"url": "https://access.redhat.com/errata/RHSA-2025:22091"
},
{
"source": "secalert@redhat.com",
"url": "https://access.redhat.com/security/cve/CVE-2025-13467"
},
{
"source": "secalert@redhat.com",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2416038"
},
{
"source": "secalert@redhat.com",
"url": "https://github.com/keycloak/keycloak/commit/754c070cf8ca187dcc71f0f72ff3130ff2195328"
},
{
"source": "secalert@redhat.com",
"url": "https://github.com/keycloak/keycloak/issues/44478"
}
],
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Deferred",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-502"
}
],
"source": "secalert@redhat.com",
"type": "Secondary"
}
]
}
GHSA-4HX9-48XH-5MXR
Vulnerability from github – Published: 2025-12-19 21:31 – Updated: 2026-02-17 17:48A flaw was found in the Keycloak LDAP User Federation provider. This vulnerability allows an authenticated realm administrator to trigger deserialization of untrusted Java objects via a malicious LDAP server configuration.
Mitigation
Disable LDAP referrals in all LDAP user providers in all realms if projects cannot upgrade to the patched versions.
{
"affected": [
{
"package": {
"ecosystem": "Maven",
"name": "org.keycloak:keycloak-ldap-federation"
},
"ranges": [
{
"events": [
{
"introduced": "26.3.0"
},
{
"fixed": "26.4.6"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "Maven",
"name": "org.keycloak:keycloak-ldap-federation"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "26.2.11"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2025-13467"
],
"database_specific": {
"cwe_ids": [
"CWE-502"
],
"github_reviewed": true,
"github_reviewed_at": "2025-12-19T21:31:05Z",
"nvd_published_at": null,
"severity": "MODERATE"
},
"details": "A flaw was found in the Keycloak LDAP User Federation provider. This vulnerability allows an authenticated realm administrator to trigger deserialization of untrusted Java objects via a malicious LDAP server configuration.\n\n### Mitigation\n\nDisable LDAP referrals in all LDAP user providers in all realms if projects cannot upgrade to the patched versions.",
"id": "GHSA-4hx9-48xh-5mxr",
"modified": "2026-02-17T17:48:45Z",
"published": "2025-12-19T21:31:05Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/keycloak/keycloak/security/advisories/GHSA-4hx9-48xh-5mxr"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-13467"
},
{
"type": "WEB",
"url": "https://github.com/keycloak/keycloak/issues/44478"
},
{
"type": "WEB",
"url": "https://github.com/keycloak/keycloak/commit/754c070cf8ca187dcc71f0f72ff3130ff2195328"
},
{
"type": "WEB",
"url": "https://github.com/keycloak/keycloak/commit/b90fec41ff17a70858d830750156a8a2e13ddb82"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2025:22088"
},
{
"type": "WEB",
"url": "https://access.redhat.com/security/cve/CVE-2025-13467"
},
{
"type": "WEB",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2416038"
},
{
"type": "PACKAGE",
"url": "https://github.com/keycloak/keycloak"
},
{
"type": "WEB",
"url": "https://github.com/keycloak/keycloak/releases/tag/26.4.6"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N",
"type": "CVSS_V3"
}
],
"summary": "Keycloak LDAP User Federation provider enables admin-triggered untrusted Java deserialization"
}
GHSA-93VM-MQPW-8WH3
Vulnerability from github – Published: 2025-11-25 18:32 – Updated: 2025-12-23 21:30Duplicate Advisory
This advisory has been withdrawn because it is a duplicate of GHSA-4hx9-48xh-5mxr. This link is maintained to preserve external references.
Original Description
A flaw was found in the Keycloak LDAP User Federation provider. This vulnerability allows an authenticated realm administrator to trigger deserialization of untrusted Java objects via a malicious LDAP server configuration.
{
"affected": [
{
"package": {
"ecosystem": "Maven",
"name": "org.keycloak:keycloak-ldap-federation"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "26.4.6"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [],
"database_specific": {
"cwe_ids": [
"CWE-502"
],
"github_reviewed": true,
"github_reviewed_at": "2025-11-26T22:01:36Z",
"nvd_published_at": "2025-11-25T16:16:06Z",
"severity": "MODERATE"
},
"details": "### Duplicate Advisory\nThis advisory has been withdrawn because it is a duplicate of GHSA-4hx9-48xh-5mxr. This link is maintained to preserve external references.\n\n### Original Description\n\nA flaw was found in the Keycloak LDAP User Federation provider. This vulnerability allows an authenticated realm administrator to trigger deserialization of untrusted Java objects via a malicious LDAP server configuration.",
"id": "GHSA-93vm-mqpw-8wh3",
"modified": "2025-12-23T21:30:23Z",
"published": "2025-11-25T18:32:22Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-13467"
},
{
"type": "WEB",
"url": "https://github.com/keycloak/keycloak/issues/44478"
},
{
"type": "WEB",
"url": "https://github.com/keycloak/keycloak/commit/754c070cf8ca187dcc71f0f72ff3130ff2195328"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2025:22088"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2025:22089"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2025:22090"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2025:22091"
},
{
"type": "WEB",
"url": "https://access.redhat.com/security/cve/CVE-2025-13467"
},
{
"type": "WEB",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2416038"
},
{
"type": "PACKAGE",
"url": "https://github.com/keycloak/keycloak"
},
{
"type": "WEB",
"url": "https://github.com/keycloak/keycloak/releases/tag/26.4.6"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N",
"type": "CVSS_V3"
}
],
"summary": "Duplicate Advisory: Keycloak LDAP User Federation provider enables admin-triggered untrusted Java deserialization",
"withdrawn": "2025-12-19T21:27:08Z"
}
RHSA-2025:22088
Vulnerability from csaf_redhat - Published: 2025-11-25 16:12 - Updated: 2026-03-18 03:12A flaw was found in Keycloak. Keycloak does not immediately enforce the disabling of the "Remember Me" realm setting on existing user sessions. Sessions created while "Remember Me" was active retain their extended session lifetime until they expire, overriding the administrator's recent security configuration change. This is a logic flaw in session management increases the potential window for successful session hijacking or unauthorized long-term access persistence. The flaw lies in the session expiration logic relying on the session-local "remember-me" flag without validating the current realm-level configuration.
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: 9Base-RHBK-26.2:rhbk/keycloak-operator-bundle@sha256:dbebd9c370278ca9745863823ea05be8026400f70ada7650d65ef381841bfc5b_amd64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHBK-26.2:rhbk/keycloak-rhel9-operator@sha256:56c72c8a7c8fc6dc429272f50d1ca7d2c1f3c20819f86c314ecd16df7067f348_s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHBK-26.2:rhbk/keycloak-rhel9-operator@sha256:57d64e64c4b64a802faf366d4e156d01b04c2fbb3d866b123ac4c2f82968a46f_arm64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHBK-26.2:rhbk/keycloak-rhel9-operator@sha256:b9525ea17de357c938972cc8c6cf78ba1fc1902901e1759908e9fcb2c0e72aed_amd64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHBK-26.2:rhbk/keycloak-rhel9-operator@sha256:d7602888e037d4d5bba73f896e4537721130464ef82406c31a445701f015f93b_ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHBK-26.2:rhbk/keycloak-rhel9@sha256:31618f217a7d9a08945106f507dd0ca02b3850d183c4915311203423204a4c03_s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHBK-26.2:rhbk/keycloak-rhel9@sha256:527c210541d8669a7b08029be54f411512f14fe887d92569801e8801f8c001f5_amd64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHBK-26.2:rhbk/keycloak-rhel9@sha256:8c52f172dd64c5d4a4078a3d9af16612151607332eea832c6ded4600d71c68ca_ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHBK-26.2:rhbk/keycloak-rhel9@sha256:c9da93981df5435ded6a22b5a36876c4a10f66ebc4d4f91fdd9e2084e6b60a2f_arm64 | — |
Vendor Fix
fix
Workaround
|
A flaw was found in Keycloak. An offline session continues to be valid when the offline_access scope is removed from the client. The refresh token is accepted and you can continue to request new tokens for the session. As it can lead to a situation where an administrator removes the scope, and assumes that offline sessions are no longer available, but they are.
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: 9Base-RHBK-26.2:rhbk/keycloak-operator-bundle@sha256:dbebd9c370278ca9745863823ea05be8026400f70ada7650d65ef381841bfc5b_amd64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHBK-26.2:rhbk/keycloak-rhel9-operator@sha256:56c72c8a7c8fc6dc429272f50d1ca7d2c1f3c20819f86c314ecd16df7067f348_s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHBK-26.2:rhbk/keycloak-rhel9-operator@sha256:57d64e64c4b64a802faf366d4e156d01b04c2fbb3d866b123ac4c2f82968a46f_arm64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHBK-26.2:rhbk/keycloak-rhel9-operator@sha256:b9525ea17de357c938972cc8c6cf78ba1fc1902901e1759908e9fcb2c0e72aed_amd64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHBK-26.2:rhbk/keycloak-rhel9-operator@sha256:d7602888e037d4d5bba73f896e4537721130464ef82406c31a445701f015f93b_ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHBK-26.2:rhbk/keycloak-rhel9@sha256:31618f217a7d9a08945106f507dd0ca02b3850d183c4915311203423204a4c03_s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHBK-26.2:rhbk/keycloak-rhel9@sha256:527c210541d8669a7b08029be54f411512f14fe887d92569801e8801f8c001f5_amd64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHBK-26.2:rhbk/keycloak-rhel9@sha256:8c52f172dd64c5d4a4078a3d9af16612151607332eea832c6ded4600d71c68ca_ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHBK-26.2:rhbk/keycloak-rhel9@sha256:c9da93981df5435ded6a22b5a36876c4a10f66ebc4d4f91fdd9e2084e6b60a2f_arm64 | — |
Vendor Fix
fix
Workaround
|
A flaw was found in Keycloak’s WebAuthn registration component. This vulnerability allows an attacker to bypass the configured attestation policy and register untrusted or forged authenticators via submission of an attestation object with fmt: "none", even when the realm is configured to require direct attestation. This can lead to weakened authentication integrity and unauthorized authenticator registration.
CWE-347 - Improper Verification of Cryptographic Signature| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: 9Base-RHBK-26.2:rhbk/keycloak-operator-bundle@sha256:dbebd9c370278ca9745863823ea05be8026400f70ada7650d65ef381841bfc5b_amd64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHBK-26.2:rhbk/keycloak-rhel9-operator@sha256:56c72c8a7c8fc6dc429272f50d1ca7d2c1f3c20819f86c314ecd16df7067f348_s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHBK-26.2:rhbk/keycloak-rhel9-operator@sha256:57d64e64c4b64a802faf366d4e156d01b04c2fbb3d866b123ac4c2f82968a46f_arm64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHBK-26.2:rhbk/keycloak-rhel9-operator@sha256:b9525ea17de357c938972cc8c6cf78ba1fc1902901e1759908e9fcb2c0e72aed_amd64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHBK-26.2:rhbk/keycloak-rhel9-operator@sha256:d7602888e037d4d5bba73f896e4537721130464ef82406c31a445701f015f93b_ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHBK-26.2:rhbk/keycloak-rhel9@sha256:31618f217a7d9a08945106f507dd0ca02b3850d183c4915311203423204a4c03_s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHBK-26.2:rhbk/keycloak-rhel9@sha256:527c210541d8669a7b08029be54f411512f14fe887d92569801e8801f8c001f5_amd64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHBK-26.2:rhbk/keycloak-rhel9@sha256:8c52f172dd64c5d4a4078a3d9af16612151607332eea832c6ded4600d71c68ca_ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHBK-26.2:rhbk/keycloak-rhel9@sha256:c9da93981df5435ded6a22b5a36876c4a10f66ebc4d4f91fdd9e2084e6b60a2f_arm64 | — |
Vendor Fix
fix
Workaround
|
A flaw was found in Keycloak. In Keycloak where a user can accidentally get access to another user's session if both use the same device and browser. This happens because Keycloak sometimes reuses session identifiers and doesn’t clean up properly during logout when browser cookies are missing. As a result, one user may receive tokens that belong to another user.
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: 9Base-RHBK-26.2:rhbk/keycloak-operator-bundle@sha256:dbebd9c370278ca9745863823ea05be8026400f70ada7650d65ef381841bfc5b_amd64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHBK-26.2:rhbk/keycloak-rhel9-operator@sha256:56c72c8a7c8fc6dc429272f50d1ca7d2c1f3c20819f86c314ecd16df7067f348_s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHBK-26.2:rhbk/keycloak-rhel9-operator@sha256:57d64e64c4b64a802faf366d4e156d01b04c2fbb3d866b123ac4c2f82968a46f_arm64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHBK-26.2:rhbk/keycloak-rhel9-operator@sha256:b9525ea17de357c938972cc8c6cf78ba1fc1902901e1759908e9fcb2c0e72aed_amd64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHBK-26.2:rhbk/keycloak-rhel9-operator@sha256:d7602888e037d4d5bba73f896e4537721130464ef82406c31a445701f015f93b_ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHBK-26.2:rhbk/keycloak-rhel9@sha256:31618f217a7d9a08945106f507dd0ca02b3850d183c4915311203423204a4c03_s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHBK-26.2:rhbk/keycloak-rhel9@sha256:527c210541d8669a7b08029be54f411512f14fe887d92569801e8801f8c001f5_amd64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHBK-26.2:rhbk/keycloak-rhel9@sha256:8c52f172dd64c5d4a4078a3d9af16612151607332eea832c6ded4600d71c68ca_ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHBK-26.2:rhbk/keycloak-rhel9@sha256:c9da93981df5435ded6a22b5a36876c4a10f66ebc4d4f91fdd9e2084e6b60a2f_arm64 | — |
Vendor Fix
fix
Workaround
|
A flaw was found in the Keycloak LDAP User Federation provider. This vulnerability allows an authenticated realm administrator to trigger deserialization of untrusted Java objects via a malicious LDAP server configuration.
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: 9Base-RHBK-26.2:rhbk/keycloak-operator-bundle@sha256:dbebd9c370278ca9745863823ea05be8026400f70ada7650d65ef381841bfc5b_amd64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHBK-26.2:rhbk/keycloak-rhel9-operator@sha256:56c72c8a7c8fc6dc429272f50d1ca7d2c1f3c20819f86c314ecd16df7067f348_s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHBK-26.2:rhbk/keycloak-rhel9-operator@sha256:57d64e64c4b64a802faf366d4e156d01b04c2fbb3d866b123ac4c2f82968a46f_arm64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHBK-26.2:rhbk/keycloak-rhel9-operator@sha256:b9525ea17de357c938972cc8c6cf78ba1fc1902901e1759908e9fcb2c0e72aed_amd64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHBK-26.2:rhbk/keycloak-rhel9-operator@sha256:d7602888e037d4d5bba73f896e4537721130464ef82406c31a445701f015f93b_ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHBK-26.2:rhbk/keycloak-rhel9@sha256:31618f217a7d9a08945106f507dd0ca02b3850d183c4915311203423204a4c03_s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHBK-26.2:rhbk/keycloak-rhel9@sha256:527c210541d8669a7b08029be54f411512f14fe887d92569801e8801f8c001f5_amd64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHBK-26.2:rhbk/keycloak-rhel9@sha256:8c52f172dd64c5d4a4078a3d9af16612151607332eea832c6ded4600d71c68ca_ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHBK-26.2:rhbk/keycloak-rhel9@sha256:c9da93981df5435ded6a22b5a36876c4a10f66ebc4d4f91fdd9e2084e6b60a2f_arm64 | — |
Vendor Fix
fix
Workaround
|
{
"document": {
"aggregate_severity": {
"namespace": "https://access.redhat.com/security/updates/classification/",
"text": "Moderate"
},
"category": "csaf_security_advisory",
"csaf_version": "2.0",
"distribution": {
"text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.",
"tlp": {
"label": "WHITE",
"url": "https://www.first.org/tlp/"
}
},
"lang": "en",
"notes": [
{
"category": "summary",
"text": "New images are available for Red Hat build of Keycloak 26.2.11 and Red Hat build of Keycloak 26.2.11 Operator, running on OpenShift Container Platform",
"title": "Topic"
},
{
"category": "general",
"text": "Red Hat build of Keycloak is an integrated sign-on solution, available as a Red Hat JBoss Middleware for OpenShift containerized image. The Red Hat build of Keycloak for OpenShift image provides an authentication server that you can use to log in centrally, log out, and register. You can also manage user accounts for web applications, mobile applications, and RESTful web services.\nRed Hat build of Keycloak Operator for OpenShift simplifies deployment and management of Keycloak 26.2.11 clusters.\nThis erratum releases new images for Red Hat build of Keycloak 26.2.11 for use within the OpenShift Container Platform cloud computing Platform-as-a-Service (PaaS) for on-premise or private cloud deployments, aligning with the standalone product release.\n\nSecurity fixes:\n* Deserialization of Untrusted Data in LDAP User Federation (CVE-2025-13467)",
"title": "Details"
},
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"text": "A flaw was found in Keycloak. Keycloak does not immediately enforce the disabling of the \"Remember Me\" realm setting on existing user sessions. Sessions created while \"Remember Me\" was active retain their extended session lifetime until they expire, overriding the administrator\u0027s recent security configuration change. This is a logic flaw in session management increases the potential window for successful session hijacking or unauthorized long-term access persistence. The flaw lies in the session expiration logic relying on the session-local \"remember-me\" flag without validating the current realm-level configuration.",
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},
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"text": "keycloak-server: Too long and not settings compliant session",
"title": "Vulnerability summary"
},
{
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"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
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},
{
"category": "external",
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{
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"name": "Insufficient Session Expiration"
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},
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},
{
"acknowledgments": [
{
"names": [
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}
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{
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"title": "Vulnerability description"
},
{
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"text": "org.keycloak/keycloak-services: WebAuthn Attestation Statement Verification Bypass",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue was rated Low. The vulnerability requires user interaction to manipulate the WebAuthn registration process, has high attack complexity, and limited impact, affecting only policy enforcement within the Keycloak instance. Exploitation does not compromise confidentiality or availability, and the attacker cannot bypass attestation restrictions without either intercepting the registration flow or using a rogue authenticator under user control.",
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},
{
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"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
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},
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RHSA-2025:22089
Vulnerability from csaf_redhat - Published: 2025-11-25 16:06 - Updated: 2026-03-18 03:12A flaw was found in Keycloak. Keycloak does not immediately enforce the disabling of the "Remember Me" realm setting on existing user sessions. Sessions created while "Remember Me" was active retain their extended session lifetime until they expire, overriding the administrator's recent security configuration change. This is a logic flaw in session management increases the potential window for successful session hijacking or unauthorized long-term access persistence. The flaw lies in the session expiration logic relying on the session-local "remember-me" flag without validating the current realm-level configuration.
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
Red Hat build of Keycloak 26.2.11
Red Hat / Red Hat build of Keycloak
|
cpe:/a:redhat:build_keycloak:26.2::el9
|
— |
Vendor Fix
fix
Workaround
|
A flaw was found in Keycloak. An offline session continues to be valid when the offline_access scope is removed from the client. The refresh token is accepted and you can continue to request new tokens for the session. As it can lead to a situation where an administrator removes the scope, and assumes that offline sessions are no longer available, but they are.
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
Red Hat build of Keycloak 26.2.11
Red Hat / Red Hat build of Keycloak
|
cpe:/a:redhat:build_keycloak:26.2::el9
|
— |
Vendor Fix
fix
Workaround
|
A flaw was found in Keycloak’s WebAuthn registration component. This vulnerability allows an attacker to bypass the configured attestation policy and register untrusted or forged authenticators via submission of an attestation object with fmt: "none", even when the realm is configured to require direct attestation. This can lead to weakened authentication integrity and unauthorized authenticator registration.
CWE-347 - Improper Verification of Cryptographic Signature| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
Red Hat build of Keycloak 26.2.11
Red Hat / Red Hat build of Keycloak
|
cpe:/a:redhat:build_keycloak:26.2::el9
|
— |
Vendor Fix
fix
Workaround
|
A flaw was found in Keycloak. In Keycloak where a user can accidentally get access to another user's session if both use the same device and browser. This happens because Keycloak sometimes reuses session identifiers and doesn’t clean up properly during logout when browser cookies are missing. As a result, one user may receive tokens that belong to another user.
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
Red Hat build of Keycloak 26.2.11
Red Hat / Red Hat build of Keycloak
|
cpe:/a:redhat:build_keycloak:26.2::el9
|
— |
Vendor Fix
fix
Workaround
|
A flaw was found in the Keycloak LDAP User Federation provider. This vulnerability allows an authenticated realm administrator to trigger deserialization of untrusted Java objects via a malicious LDAP server configuration.
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
Red Hat build of Keycloak 26.2.11
Red Hat / Red Hat build of Keycloak
|
cpe:/a:redhat:build_keycloak:26.2::el9
|
— |
Vendor Fix
fix
Workaround
|
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RHSA-2025:22090
Vulnerability from csaf_redhat - Published: 2025-11-25 16:24 - Updated: 2026-03-18 03:12A flaw was found in the Keycloak LDAP User Federation provider. This vulnerability allows an authenticated realm administrator to trigger deserialization of untrusted Java objects via a malicious LDAP server configuration.
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: 9Base-RHBK-26.4:rhbk/keycloak-operator-bundle@sha256:21319807f584783e091bbd03066624d759e699e72e38f42f8e69f5d59d1ca31c_amd64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHBK-26.4:rhbk/keycloak-rhel9-operator@sha256:4a70c9fc5c12822bdc9dad06b0455d9b4ae847f080123856b8bf4f683933e60b_s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHBK-26.4:rhbk/keycloak-rhel9-operator@sha256:68f820e741c80a4cc1b1498531a40bfb4d2776bb52247d206e9ba698ef951930_arm64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHBK-26.4:rhbk/keycloak-rhel9-operator@sha256:c0dbea4bb061452767b52b634550477237495bf48600994c5efe9a5e28766a19_amd64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHBK-26.4:rhbk/keycloak-rhel9-operator@sha256:cce8f176c7ecde1910ceeb3d814b9bf2d2d63ccbfcd5a1eb0eb83efe0d9852b2_ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHBK-26.4:rhbk/keycloak-rhel9@sha256:4e76367ad0340f93653ccadbb0f82c96194c28951fde84d00b146f2372c949e7_s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHBK-26.4:rhbk/keycloak-rhel9@sha256:710b71ca582a96e3617ca04d819bd2df428003a8c3fd9bc5f28aea45766809bd_amd64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHBK-26.4:rhbk/keycloak-rhel9@sha256:c5d3ee80cd09b752b94f763850774b02336a8f10a9d5e3decb0d6941bae7c70c_arm64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHBK-26.4:rhbk/keycloak-rhel9@sha256:f7388968b2c6662174ebb6befe25eae4d48be2c5a684a1cabc3be79e2be3827a_ppc64le | — |
Vendor Fix
fix
Workaround
|
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RHSA-2025:22091
Vulnerability from csaf_redhat - Published: 2025-11-25 16:07 - Updated: 2026-03-18 03:12A flaw was found in the Keycloak LDAP User Federation provider. This vulnerability allows an authenticated realm administrator to trigger deserialization of untrusted Java objects via a malicious LDAP server configuration.
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
Red Hat build of Keycloak 26.4.6
Red Hat / Red Hat build of Keycloak
|
cpe:/a:redhat:build_keycloak:26.4::el9
|
— |
Vendor Fix
fix
Workaround
|
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"date": "2026-03-18T03:12:05+00:00",
"engine": {
"name": "Red Hat SDEngine",
"version": "4.7.3"
}
},
"id": "RHSA-2025:22091",
"initial_release_date": "2025-11-25T16:07:25+00:00",
"revision_history": [
{
"date": "2025-11-25T16:07:25+00:00",
"number": "1",
"summary": "Initial version"
},
{
"date": "2025-11-25T16:07:25+00:00",
"number": "2",
"summary": "Last updated version"
},
{
"date": "2026-03-18T03:12:05+00:00",
"number": "3",
"summary": "Last generated version"
}
],
"status": "final",
"version": "3"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"branches": [
{
"category": "product_name",
"name": "Red Hat build of Keycloak 26.4.6",
"product": {
"name": "Red Hat build of Keycloak 26.4.6",
"product_id": "Red Hat build of Keycloak 26.4.6",
"product_identification_helper": {
"cpe": "cpe:/a:redhat:build_keycloak:26.4::el9"
}
}
}
],
"category": "product_family",
"name": "Red Hat build of Keycloak"
}
],
"category": "vendor",
"name": "Red Hat"
}
]
},
"vulnerabilities": [
{
"acknowledgments": [
{
"names": [
"Icare \u0026 truff"
],
"organization": "YWH"
}
],
"cve": "CVE-2025-13467",
"cwe": {
"id": "CWE-502",
"name": "Deserialization of Untrusted Data"
},
"discovery_date": "2025-11-20T03:12:47.343000+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2416038"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in the Keycloak LDAP User Federation provider. This vulnerability allows an authenticated realm administrator to trigger deserialization of untrusted Java objects via a malicious LDAP server configuration.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "org.keycloak.storage.ldap: Keycloak: Deserialization of Untrusted Data in LDAP User Federation",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"Red Hat build of Keycloak 26.4.6"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2025-13467"
},
{
"category": "external",
"summary": "RHBZ#2416038",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2416038"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2025-13467",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-13467"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2025-13467",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-13467"
},
{
"category": "external",
"summary": "https://github.com/keycloak/keycloak/commit/754c070cf8ca187dcc71f0f72ff3130ff2195328",
"url": "https://github.com/keycloak/keycloak/commit/754c070cf8ca187dcc71f0f72ff3130ff2195328"
},
{
"category": "external",
"summary": "https://github.com/keycloak/keycloak/issues/44478",
"url": "https://github.com/keycloak/keycloak/issues/44478"
}
],
"release_date": "2025-11-25T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2025-11-25T16:07:25+00:00",
"details": "Before applying the update, back up your existing installation, including all applications, configuration files, databases and database settings, and so on.",
"product_ids": [
"Red Hat build of Keycloak 26.4.6"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2025:22091"
},
{
"category": "workaround",
"details": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.",
"product_ids": [
"Red Hat build of Keycloak 26.4.6"
]
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "HIGH",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N",
"version": "3.1"
},
"products": [
"Red Hat build of Keycloak 26.4.6"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "org.keycloak.storage.ldap: Keycloak: Deserialization of Untrusted Data in LDAP User Federation"
}
]
}
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.