{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-90614",
        "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "state": "PUBLISHED",
        "assignerShortName": "VulDB",
        "dateReserved": "2026-09-12T19:42:51.777Z",
        "datePublished": "2026-09-14T01:45:10.541Z",
        "dateUpdated": "2026-09-14T01:45:10.541Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
                "shortName": "VulDB",
                "dateUpdated": "2026-09-14T01:45:10.541Z"
            },
            "title": "FedML-AI FedML MQTT+S3 Communication Backend remote_storage.py S3Storage.read_model deserialization",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "type": "CWE",
                            "cweId": "CWE-502",
                            "lang": "en",
                            "description": "Deserialization"
                        }
                    ]
                },
                {
                    "descriptions": [
                        {
                            "type": "CWE",
                            "cweId": "CWE-20",
                            "lang": "en",
                            "description": "Improper Input Validation"
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "FedML-AI",
                    "product": "FedML",
                    "versions": [
                        {
                            "version": "0.9.0",
                            "status": "affected"
                        },
                        {
                            "version": "0.9.1",
                            "status": "affected"
                        },
                        {
                            "version": "0.9.2",
                            "status": "affected"
                        },
                        {
                            "version": "0.9.3",
                            "status": "affected"
                        },
                        {
                            "version": "0.9.4",
                            "status": "affected"
                        },
                        {
                            "version": "0.9.5",
                            "status": "affected"
                        },
                        {
                            "version": "0.9.6",
                            "status": "affected"
                        }
                    ],
                    "cpes": [
                        "cpe:2.3:a:fedml-ai:fedml:*:*:*:*:*:*:*:*"
                    ],
                    "modules": [
                        "MQTT+S3 Communication Backend"
                    ]
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "A weakness has been identified in FedML-AI FedML up to 0.9.6. Affected by this issue is the function S3Storage.read_model of the file fedml/core/distributed/communication/s3/remote_storage.py of the component MQTT+S3 Communication Backend. This manipulation of the argument s3_key_str causes deserialization. Remote exploitation of the attack is possible. The project was informed of the problem early through an issue report but has not responded yet."
                }
            ],
            "metrics": [
                {
                    "cvssV4_0": {
                        "version": "4.0",
                        "baseScore": 5.3,
                        "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X",
                        "baseSeverity": "MEDIUM"
                    }
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                    "cvssV3_1": {
                        "version": "3.1",
                        "baseScore": 6.3,
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                        "baseSeverity": "MEDIUM"
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                    "cvssV2_0": {
                        "version": "2.0",
                        "baseScore": 6.5,
                        "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P/E:ND/RL:ND/RC:UR"
                    }
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            ],
            "timeline": [
                {
                    "time": "2026-09-12T00:00:00.000Z",
                    "lang": "en",
                    "value": "Advisory disclosed"
                },
                {
                    "time": "2026-09-12T02:00:00.000Z",
                    "lang": "en",
                    "value": "VulDB entry created"
                },
                {
                    "time": "2026-09-12T21:47:59.000Z",
                    "lang": "en",
                    "value": "VulDB entry last update"
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "Mohammedix88 (VulDB User)",
                    "type": "reporter"
                },
                {
                    "lang": "en",
                    "value": "VulDB CNA Team",
                    "type": "coordinator"
                }
            ],
            "references": [
                {
                    "url": "https://vuldb.com/vuln/403196",
                    "name": "VDB-403196 | FedML-AI FedML MQTT+S3 Communication Backend remote_storage.py S3Storage.read_model deserialization",
                    "tags": [
                        "vdb-entry",
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                },
                {
                    "url": "https://vuldb.com/vuln/403196/cti",
                    "name": "VDB-403196 | CTI Indicators (IOB, IOC, IOA)",
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                },
                {
                    "url": "https://vuldb.com/cve/CVE-2026-90614",
                    "name": "CVE-2026-90614 | CVE Analysis and Report",
                    "tags": [
                        "third-party-advisory"
                    ]
                },
                {
                    "url": "https://vuldb.com/submit/914219",
                    "name": "Submit #914219 | FedML-AI FedML 0.9.6 Deserialization",
                    "tags": [
                        "third-party-advisory"
                    ]
                },
                {
                    "url": "https://github.com/FedML-AI/FedML/issues/2267",
                    "tags": [
                        "issue-tracking"
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                },
                {
                    "url": "https://github.com/FedML-AI/FedML/",
                    "tags": [
                        "product"
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                "VulDB PVTS v202609"
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}