{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-90777",
        "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "state": "PUBLISHED",
        "assignerShortName": "VulnCheck",
        "dateReserved": "2026-09-13T11:15:46.288Z",
        "datePublished": "2026-09-13T11:42:27.045Z",
        "dateUpdated": "2026-09-13T11:42:27.045Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
                "shortName": "VulnCheck",
                "dateUpdated": "2026-09-13T11:42:27.045Z"
            },
            "datePublic": "2026-08-25T00:00:00.000Z",
            "title": "ESPnet before 202609 Remote Code Execution via Unsafe Deserialization",
            "descriptions": [
                {
                    "lang": "en",
                    "value": "ESPnet before 202609 deserializes pretrained model checkpoints using torch.load with weights_only=False, allowing arbitrary code execution from attacker-supplied files. Attackers can craft malicious checkpoint files that execute code during deserialization when loaded through the initialization or fine-tuning path."
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "description": "Deserialization of Untrusted Data",
                            "cweId": "CWE-502",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "espnet",
                    "product": "espnet",
                    "defaultStatus": "unaffected",
                    "packageURL": "pkg:pypi/espnet",
                    "versions": [
                        {
                            "version": "0",
                            "status": "affected",
                            "versionType": "custom",
                            "lessThan": "202609"
                        },
                        {
                            "version": "202609",
                            "status": "unaffected",
                            "versionType": "custom"
                        }
                    ]
                }
            ],
            "metrics": [
                {
                    "format": "CVSS",
                    "cvssV4_0": {
                        "version": "4.0",
                        "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
                        "attackVector": "NETWORK",
                        "attackComplexity": "LOW",
                        "attackRequirements": "NONE",
                        "privilegesRequired": "NONE",
                        "userInteraction": "PASSIVE",
                        "vulnConfidentialityImpact": "HIGH",
                        "vulnIntegrityImpact": "HIGH",
                        "vulnAvailabilityImpact": "HIGH",
                        "subConfidentialityImpact": "NONE",
                        "subIntegrityImpact": "NONE",
                        "subAvailabilityImpact": "NONE",
                        "baseScore": 8.7,
                        "baseSeverity": "HIGH"
                    }
                },
                {
                    "format": "CVSS",
                    "cvssV3_1": {
                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                        "attackVector": "NETWORK",
                        "attackComplexity": "LOW",
                        "privilegesRequired": "NONE",
                        "userInteraction": "REQUIRED",
                        "scope": "UNCHANGED",
                        "confidentialityImpact": "HIGH",
                        "integrityImpact": "HIGH",
                        "availabilityImpact": "HIGH",
                        "baseScore": 8.8,
                        "baseSeverity": "HIGH"
                    }
                }
            ],
            "references": [
                {
                    "url": "https://github.com/espnet/espnet/security/advisories/GHSA-64f6-3gqc-r926",
                    "name": "GitHub Security Advisory (GHSA-64f6-3gqc-r926)",
                    "tags": [
                        "vendor-advisory"
                    ]
                },
                {
                    "url": "https://github.com/espnet/espnet/commit/91ca045fc179f29bc7b7fe05cd852aea65310003",
                    "name": "Patch Commit",
                    "tags": [
                        "patch"
                    ]
                },
                {
                    "url": "https://github.com/espnet/espnet/blob/v.202511/espnet2/torch_utils/load_pretrained_model.py#L99",
                    "name": "Unsafe torch.load call at v.202511",
                    "tags": [
                        "technical-description"
                    ]
                },
                {
                    "url": "https://github.com/espnet/espnet/releases/tag/v.202609",
                    "name": "ESPnet v.202609 Release Notes",
                    "tags": [
                        "release-notes"
                    ]
                },
                {
                    "url": "https://github.com/espnet/espnet",
                    "tags": [
                        "product"
                    ]
                },
                {
                    "name": "VulnCheck Advisory: ESPnet before 202609 Remote Code Execution via Unsafe Deserialization",
                    "tags": [
                        "third-party-advisory"
                    ],
                    "url": "https://www.vulncheck.com/advisories/espnet-before-202609-remote-code-execution-via-unsafe-deserialization"
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "Jaime Ramírez (JaimeRamirez-coder)",
                    "type": "reporter"
                },
                {
                    "lang": "en",
                    "value": "arexgodofwar",
                    "type": "reporter"
                },
                {
                    "lang": "en",
                    "value": "Snakinya",
                    "type": "reporter"
                }
            ],
            "x_generator": {
                "engine": "vulncheck-endgame"
            }
        }
    }
}