CVE-2026-41851

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-41851", "assignerOrgId": "dcf2e128-44bd-42ed-91e8-88f912c1401d", "state": "PUBLISHED", "assignerShortName": "vmware", "dateReserved": "2026-04-22T06:22:08.200Z", "datePublished": "2026-06-09T03:51:32.074Z", "dateUpdated": "2026-06-27T21:03:56.341Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "dcf2e128-44bd-42ed-91e8-88f912c1401d", "shortName": "vmware", "dateUpdated": "2026-06-27T21:03:56.341Z"}, "title": "Spring Framework Denial of Service via Unbounded Cache in SpEL", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-770", "description": "CWE-770: Allocation of Resources Without Limits or Throttling", "type": "CWE"}]}], "impacts": [{"descriptions": [{"lang": "en", "value": "An attacker who can supply user-controlled SpEL expressions to an application that caches parsed expressions can cause unbounded cache growth, resulting in memory exhaustion and denial of service."}]}], "affected": [{"vendor": "Spring", "product": "Spring Framework", "versions": [{"status": "affected", "version": "7.0.0", "lessThan": "7.0.7.1", "versionType": "custom"}, {"status": "affected", "version": "6.2.0", "lessThan": "6.2.18.1", "versionType": "custom"}, {"status": "affected", "version": "6.1.0", "lessThan": "6.1.28", "versionType": "custom"}, {"status": "affected", "version": "5.3.0", "lessThan": "5.3.49", "versionType": "custom"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "Applications which accept user-supplied Spring Expression Language (SpEL) expressions may be vulnerable to a Denial of Service (DoS) attack if the evaluation of a SpEL expression triggers unbounded cache growth.\n\nAffected versions:\nSpring Framework 7.0.0 through 7.0.7; 6.2.0 through 6.2.18; 6.1.0 through 6.1.27; 5.3.0 through 5.3.48.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Applications which accept user-supplied Spring Expression Language (SpEL) expressions may be vulnerable to a Denial of Service (DoS) attack if the evaluation of a SpEL expression triggers unbounded cache growth.\n\nAffected versions:\nSpring Framework 7.0.0 through 7.0.7; 6.2.0 through 6.2.18; 6.1.0 through 6.1.27; 5.3.0 through 5.3.48."}]}], "references": [{"url": "https://spring.io/security/cve-2026-41851"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "LOW", "baseSeverity": "MEDIUM", "baseScore": 5.3, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"}}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.1"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-06-09T13:34:51.694460Z", "id": "CVE-2026-41851", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-09T13:34:58.008Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-41851", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-06-09T13:34:51.694460Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-09T13:34:55.071Z"}}], "cna": {"title": "Spring Framework Denial of Service via Unbounded Cache in SpEL", "source": {"discovery": "UNKNOWN"}, "impacts": [{"descriptions": [{"lang": "en", "value": "An attacker who can supply user-controlled SpEL expressions to an application that caches parsed expressions can cause unbounded cache growth, resulting in memory exhaustion and denial of service."}]}], "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "Spring", "product": "Spring Framework", "versions": [{"status": "affected", "version": "7.0.0", "lessThan": "7.0.7.1", "versionType": "custom"}, {"status": "affected", "version": "6.2.0", "lessThan": "6.2.18.1", "versionType": "custom"}, {"status": "affected", "version": "6.1.0", "lessThan": "6.1.28", "versionType": "custom"}, {"status": "affected", "version": "5.3.0", "lessThan": "5.3.49", "versionType": "custom"}], "defaultStatus": "unaffected"}], "references": [{"url": "https://spring.io/security/cve-2026-41851"}], "x_generator": {"engine": "Vulnogram 1.0.1"}, "descriptions": [{"lang": "en", "value": "Applications which accept user-supplied Spring Expression Language (SpEL) expressions may be vulnerable to a Denial of Service (DoS) attack if the evaluation of a SpEL expression triggers unbounded cache growth.\n\nAffected versions:\nSpring Framework 7.0.0 through 7.0.7; 6.2.0 through 6.2.18; 6.1.0 through 6.1.27; 5.3.0 through 5.3.48.", "supportingMedia": [{"type": "text/html", "value": "Applications which accept user-supplied Spring Expression Language (SpEL) expressions may be vulnerable to a Denial of Service (DoS) attack if the evaluation of a SpEL expression triggers unbounded cache growth.\n\nAffected versions:\nSpring Framework 7.0.0 through 7.0.7; 6.2.0 through 6.2.18; 6.1.0 through 6.1.27; 5.3.0 through 5.3.48.", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-770", "description": "CWE-770: Allocation of Resources Without Limits or Throttling"}]}], "providerMetadata": {"orgId": "dcf2e128-44bd-42ed-91e8-88f912c1401d", "shortName": "vmware", "dateUpdated": "2026-06-27T21:03:56.341Z"}}}, "cveMetadata": {"cveId": "CVE-2026-41851", "state": "PUBLISHED", "dateUpdated": "2026-06-27T21:03:56.341Z", "dateReserved": "2026-04-22T06:22:08.200Z", "assignerOrgId": "dcf2e128-44bd-42ed-91e8-88f912c1401d", "datePublished": "2026-06-09T03:51:32.074Z", "assignerShortName": "vmware"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Spring Framework", "vendor": "Spring", "versions": [{"lessThan": "7.0.7.1", "status": "affected", "version": "7.0.0", "versionType": "custom"}, {"lessThan": "6.2.18.1", "status": "affected", "version": "6.2.0", "versionType": "custom"}, {"lessThan": "6.1.28", "status": "affected", "version": "6.1.0", "versionType": "custom"}, {"lessThan": "5.3.49", "status": "affected", "version": "5.3.0", "versionType": "custom"}]}], "source": "security@vmware.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:vmware:spring_framework:*:*:*:*:*:*:*:*", "matchCriteriaId": "9394F974-169E-4FB0-A85B-0114477DE421", "versionEndExcluding": "5.3.49", "versionStartIncluding": "5.3.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:vmware:spring_framework:*:*:*:*:*:*:*:*", "matchCriteriaId": "CE392CE7-5DA3-4DBE-B22C-27781E204B7E", "versionEndExcluding": "6.1.28", "versionStartIncluding": "6.1.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:vmware:spring_framework:*:*:*:*:*:*:*:*", "matchCriteriaId": "8D4BC30C-3E08-4A62-992D-4D2274844D54", "versionEndExcluding": "6.2.18.1", "versionStartIncluding": "6.2.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:vmware:spring_framework:*:*:*:*:*:*:*:*", "matchCriteriaId": "569A2EF8-281F-4D8A-A76C-79ED67826B38", "versionEndExcluding": "7.0.7.1", "versionStartIncluding": "7.0.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Applications which accept user-supplied Spring Expression Language (SpEL) expressions may be vulnerable to a Denial of Service (DoS) attack if the evaluation of a SpEL expression triggers unbounded cache growth.\n\nAffected versions:\nSpring Framework 7.0.0 through 7.0.7; 6.2.0 through 6.2.18; 6.1.0 through 6.1.27; 5.3.0 through 5.3.48."}, {"lang": "es", "value": "Aplicaciones que aceptan expresiones de Spring Expression Language (SpEL) proporcionadas por el usuario pueden ser vulnerables a un ataque de denegaci\u00f3n de servicio (DoS) si la evaluaci\u00f3n de una expresi\u00f3n SpEL desencadena un crecimiento ilimitado de la cach\u00e9.\n\nVersiones afectadas:\nSpring Framework 7.0.0 a 7.0.7; 6.2.0 a 6.2.18; 6.1.0 a 6.1.27; 5.3.0 a 5.3.48."}], "id": "CVE-2026-41851", "lastModified": "2026-07-23T08:10:00.137", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "security@vmware.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-41851", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-06-09T13:34:51.694460Z", "version": "2.0.3"}}]}, "published": "2026-06-09T05:16:37.297", "references": [{"source": "security@vmware.com", "tags": ["Vendor Advisory"], "url": "https://spring.io/security/cve-2026-41851"}], "sourceIdentifier": "security@vmware.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-770"}], "source": "security@vmware.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[7.0.0,7.0.8)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[6.2.0,6.2.19)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[6.1.0,6.1.28)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[5.3.0,5.3.49)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Spring Framework", "source": "cna", "vendor": "Spring"}, "product": "spring_framework", "vendor": "spring"}], "created": "2026-06-09T05:45:26.011508+00:00", "updated": "2026-06-09T05:45:26.352256+00:00", "vendors": ["spring", "spring$PRODUCT$spring_framework"]}