{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-40973",
        "assignerOrgId": "dcf2e128-44bd-42ed-91e8-88f912c1401d",
        "state": "PUBLISHED",
        "assignerShortName": "vmware",
        "dateReserved": "2026-04-16T02:18:56.133Z",
        "datePublished": "2026-04-27T23:29:51.946Z",
        "dateUpdated": "2026-04-29T03:55:43.148Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "dcf2e128-44bd-42ed-91e8-88f912c1401d",
                "shortName": "vmware",
                "dateUpdated": "2026-04-27T23:29:51.946Z"
            },
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "description": "CWE-377: Insecure Temporary File",
                            "type": "CWE",
                            "cweId": "CWE-377"
                        }
                    ]
                }
            ],
            "impacts": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "value": "Per CVSS v3.1: Confidentiality HIGH; Integrity HIGH; Availability HIGH."
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "Spring",
                    "product": "Spring Boot",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "4.0.0",
                            "lessThan": "4.0.6",
                            "versionType": "custom"
                        },
                        {
                            "status": "affected",
                            "version": "3.5.0",
                            "lessThan": "3.5.14",
                            "versionType": "custom"
                        },
                        {
                            "status": "affected",
                            "version": "3.4.0",
                            "lessThan": "3.4.16",
                            "versionType": "custom"
                        },
                        {
                            "status": "affected",
                            "version": "3.3.0",
                            "lessThan": "3.3.19",
                            "versionType": "custom"
                        },
                        {
                            "status": "affected",
                            "version": "2.7.0",
                            "lessThan": "2.7.33",
                            "versionType": "custom"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "A local attacker on the same host as the application may be able to take control of the directory used by `ApplicationTemp`. When `server.servlet.session.persistent` is set to `true` and the attack persists across application restarts, this may allow the attacker to read session information and hijack authenticated users or deploy a gadget chain and execute code as the application's user.\n\nAffected: Spring Boot 4.0.0–4.0.5 (fix 4.0.6), 3.5.0–3.5.13 (fix 3.5.14), 3.4.0–3.4.15 (fix 3.4.16), 3.3.0–3.3.18 (fix 3.3.19), 2.7.0–2.7.32 (fix 2.7.33); predictable temp directory / `ApplicationTemp` ownership verification. Versions that are no longer supported are also affected per vendor advisory.",
                    "supportingMedia": [
                        {
                            "type": "text/html",
                            "base64": false,
                            "value": "<p>A local attacker on the same host as the application may be able to take control of the directory used by <code>ApplicationTemp</code>. When <code>server.servlet.session.persistent</code> is set to <code>true</code> and the attack persists across application restarts, this may allow the attacker to read session information and hijack authenticated users or deploy a gadget chain and execute code as the application's user.</p><p>Affected: Spring Boot 4.0.0–4.0.5 (fix 4.0.6), 3.5.0–3.5.13 (fix 3.5.14), 3.4.0–3.4.15 (fix 3.4.16), 3.3.0–3.3.18 (fix 3.3.19), 2.7.0–2.7.32 (fix 2.7.33); predictable temp directory / <code>ApplicationTemp</code> ownership verification. Versions that are no longer supported are also affected per vendor advisory.</p>"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://spring.io/security/cve-2026-40973"
                }
            ],
            "metrics": [
                {
                    "format": "CVSS",
                    "scenarios": [
                        {
                            "lang": "en",
                            "value": "GENERAL"
                        }
                    ],
                    "cvssV3_1": {
                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
                        "attackVector": "LOCAL",
                        "attackComplexity": "HIGH",
                        "privilegesRequired": "LOW",
                        "userInteraction": "NONE",
                        "scope": "UNCHANGED",
                        "confidentialityImpact": "HIGH",
                        "integrityImpact": "HIGH",
                        "availabilityImpact": "HIGH",
                        "baseScore": 7,
                        "baseSeverity": "HIGH"
                    }
                }
            ],
            "source": {
                "discovery": "UNKNOWN"
            },
            "x_generator": {
                "engine": "Vulnogram 1.0.1"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-04-28T00:00:00+00:00",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "total"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3",
                                "id": "CVE-2026-40973"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-04-29T03:55:43.148Z"
                }
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    }
}