CVE-2026-40973

{"id": "CVE-2026-40973", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-40973", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-04-28T00:00:00+00:00"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security@vmware.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.0, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.0}]}, "affected": [{"source": "security@vmware.com", "affectedData": [{"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"}]}], "published": "2026-04-28T00:16:24.357", "references": [{"url": "https://spring.io/security/cve-2026-40973", "tags": ["Vendor Advisory"], "source": "security@vmware.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "security@vmware.com", "description": [{"lang": "en", "value": "CWE-377"}]}], "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\u20134.0.5 (fix 4.0.6), 3.5.0\u20133.5.13 (fix 3.5.14), 3.4.0\u20133.4.15 (fix 3.4.16), 3.3.0\u20133.3.18 (fix 3.3.19), 2.7.0\u20132.7.32 (fix 2.7.33); predictable temp directory / `ApplicationTemp` ownership verification. Versions that are no longer supported are also affected per vendor advisory."}], "lastModified": "2026-06-17T10:45:57.820", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:vmware:spring_boot:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5B1C9BD7-7555-4B3D-AED9-60C3C13DCF46", "versionEndExcluding": "2.7.33"}, {"criteria": "cpe:2.3:a:vmware:spring_boot:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "28EE6470-24FD-49D1-A2F0-7A19B290A161", "versionEndExcluding": "3.3.19", "versionStartIncluding": "3.3.0"}, {"criteria": "cpe:2.3:a:vmware:spring_boot:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "758A9E8F-0C52-43D9-8D84-69622B345A4E", "versionEndExcluding": "3.4.16", "versionStartIncluding": "3.4.0"}, {"criteria": "cpe:2.3:a:vmware:spring_boot:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D23096A1-8269-46C5-9215-9098E87D0A24", "versionEndExcluding": "3.5.14", "versionStartIncluding": "3.5.0"}, {"criteria": "cpe:2.3:a:vmware:spring_boot:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "12A166C5-8B55-4BA3-AA8B-6024A257D441", "versionEndExcluding": "4.0.6", "versionStartIncluding": "4.0.0"}], "operator": "OR"}]}], "sourceIdentifier": "security@vmware.com"}