CVE-2025-13467

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.

References

Affected packages

Git / github.com/keycloak/keycloak

Affected ranges

Type: GIT
Repo: https://github.com/keycloak/keycloak
Events: Introduced

0 Unknown introduced commit / All previous commits are affected

Fixed

754c070cf8ca187dcc71f0f72ff3130ff2195328

Affected versions

1.*

1.0-alpha-1

1.0-alpha-1-12062013

1.0-alpha-2

1.0-alpha-3

1.0-beta-1

1.0-beta-2

1.0-beta-4

1.0-final

1.0-rc-1

1.0.0.Final

1.1.0.Beta2

1.3.0.Final

2.*

2.4.0.Test

Database specific

vanir_signatures

[
    {
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "226235308159131851192318270987014224322",
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                "277947511401556881743486945915696833281",
                "314121494340710425176190798229851943124"
            ]
        },
        "source": "https://github.com/keycloak/keycloak/commit/754c070cf8ca187dcc71f0f72ff3130ff2195328",
        "deprecated": false,
        "id": "CVE-2025-13467-00e145f3",
        "signature_type": "Line",
        "target": {
            "file": "quarkus/tests/integration/src/test/java/org/keycloak/it/cli/dist/ImportDistTest.java"
        },
        "signature_version": "v1"
    },
    {
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
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                "23017492410120117755662122516922765344",
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                "267569387783300477076953363022469914164"
            ]
        },
        "source": "https://github.com/keycloak/keycloak/commit/754c070cf8ca187dcc71f0f72ff3130ff2195328",
        "deprecated": false,
        "id": "CVE-2025-13467-ba0c2ac6",
        "signature_type": "Line",
        "target": {
            "file": "federation/ldap/src/main/java/org/keycloak/storage/ldap/LDAPStorageProviderFactory.java"
        },
        "signature_version": "v1"
    },
    {
        "digest": {
            "length": 219.0,
            "function_hash": "178036485911923954374153240908751077573"
        },
        "source": "https://github.com/keycloak/keycloak/commit/754c070cf8ca187dcc71f0f72ff3130ff2195328",
        "deprecated": false,
        "id": "CVE-2025-13467-eb958976",
        "signature_type": "Function",
        "target": {
            "function": "init",
            "file": "federation/ldap/src/main/java/org/keycloak/storage/ldap/LDAPStorageProviderFactory.java"
        },
        "signature_version": "v1"
    },
    {
        "digest": {
            "length": 705.0,
            "function_hash": "310336063257694373989777957108392210916"
        },
        "source": "https://github.com/keycloak/keycloak/commit/754c070cf8ca187dcc71f0f72ff3130ff2195328",
        "deprecated": false,
        "id": "CVE-2025-13467-fa00f927",
        "signature_type": "Function",
        "target": {
            "function": "testImportLargeUserCount",
            "file": "quarkus/tests/integration/src/test/java/org/keycloak/it/cli/dist/ImportDistTest.java"
        },
        "signature_version": "v1"
    }
]

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-13467.json"