{"api_version":"1","generated_at":"2026-06-19T19:39:40+00:00","cve":"CVE-2026-41849","urls":{"html":"https://cve.report/CVE-2026-41849","api":"https://cve.report/api/cve/CVE-2026-41849.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-41849","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-41849"},"summary":{"title":"Spring Framework Denial of Service via Integer Overflow in SpEL Expressions","description":"An integer overflow vulnerability exists in the evaluation logic of the Spring Expression Language (SpEL). An attacker can exploit this by supplying a specially crafted SpEL expression that triggers excessive resource consumption, resulting in a Denial of Service (DoS).\n\nAffected versions:\nSpring Framework 5.3.0 through 5.3.48.","state":"PUBLISHED","assigner":"vmware","published_at":"2026-06-09 05:16:37","updated_at":"2026-06-09 20:36:29"},"problem_types":["CWE-190","CWE-190 CWE-190: Integer Overflow or Wraparound"],"metrics":[{"version":"3.1","source":"security@vmware.com","type":"Secondary","score":"7.5","severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"CVSS","score":"7.5","severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","data":{"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"}}],"references":[{"url":"https://spring.io/security/cve-2026-41849","name":"https://spring.io/security/cve-2026-41849","refsource":"security@vmware.com","tags":["Vendor Advisory"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-41849","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-41849","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Spring","product":"Spring Framework","version":"affected 5.3.0 5.3.49 custom","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2026","cve_id":"41849","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"vmware","cpe5":"spring_framework","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"41849","cve":"CVE-2026-41849","epss":"0.002630000","percentile":"0.174070000","score_date":"2026-06-16","updated_at":"2026-06-17 00:05:46"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2026-41849","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","timestamp":"2026-06-09T13:32:54.979277Z","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2026-06-09T13:33:03.542Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"defaultStatus":"unaffected","product":"Spring Framework","vendor":"Spring","versions":[{"lessThan":"5.3.49","status":"affected","version":"5.3.0","versionType":"custom"}]}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"An integer overflow vulnerability exists in the evaluation logic of the Spring Expression Language (SpEL). An attacker can exploit this by supplying a specially crafted SpEL expression that triggers excessive resource consumption, resulting in a Denial of Service (DoS).\n\nAffected versions:\nSpring Framework 5.3.0 through 5.3.48."}],"value":"An integer overflow vulnerability exists in the evaluation logic of the Spring Expression Language (SpEL). An attacker can exploit this by supplying a specially crafted SpEL expression that triggers excessive resource consumption, resulting in a Denial of Service (DoS).\n\nAffected versions:\nSpring Framework 5.3.0 through 5.3.48."}],"impacts":[{"descriptions":[{"lang":"en","value":"An attacker who can supply user-controlled SpEL expressions can trigger an integer overflow in the evaluation logic, causing excessive resource consumption and denial of service."}]}],"metrics":[{"cvssV3_1":{"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"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-190","description":"CWE-190: Integer Overflow or Wraparound","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-06-09T03:51:17.283Z","orgId":"dcf2e128-44bd-42ed-91e8-88f912c1401d","shortName":"vmware"},"references":[{"url":"https://spring.io/security/cve-2026-41849"}],"source":{"discovery":"UNKNOWN"},"title":"Spring Framework Denial of Service via Integer Overflow in SpEL Expressions","x_generator":{"engine":"Vulnogram 1.0.1"}}},"cveMetadata":{"assignerOrgId":"dcf2e128-44bd-42ed-91e8-88f912c1401d","assignerShortName":"vmware","cveId":"CVE-2026-41849","datePublished":"2026-06-09T03:51:17.283Z","dateReserved":"2026-04-22T06:22:08.200Z","dateUpdated":"2026-06-09T13:33:03.542Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-06-09 05:16:37","lastModifiedDate":"2026-06-09 20:36:29","problem_types":["CWE-190","CWE-190 CWE-190: Integer Overflow or Wraparound"],"metrics":{"cvssMetricV31":[{"source":"security@vmware.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:vmware:spring_framework:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3.0","versionEndExcluding":"5.3.49","matchCriteriaId":"9394F974-169E-4FB0-A85B-0114477DE421"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"41849","Ordinal":"1","Title":"Spring Framework Denial of Service via Integer Overflow in SpEL ","CVE":"CVE-2026-41849","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"41849","Ordinal":"1","NoteData":"An integer overflow vulnerability exists in the evaluation logic of the Spring Expression Language (SpEL). An attacker can exploit this by supplying a specially crafted SpEL expression that triggers excessive resource consumption, resulting in a Denial of Service (DoS).\n\nAffected versions:\nSpring Framework 5.3.0 through 5.3.48.","Type":"Description","Title":"Spring Framework Denial of Service via Integer Overflow in SpEL "}]}}}