{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-40984", "assignerOrgId": "dcf2e128-44bd-42ed-91e8-88f912c1401d", "state": "PUBLISHED", "assignerShortName": "vmware", "dateReserved": "2026-04-16T02:19:09.388Z", "datePublished": "2026-06-09T03:47:46.447Z", "dateUpdated": "2026-09-02T12:04:30.386Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "dcf2e128-44bd-42ed-91e8-88f912c1401d", "shortName": "vmware", "dateUpdated": "2026-06-23T20:06:22.279Z" }, "title": "Micrometer HTTP server instrumentations DoS vulnerability", "problemTypes": [ { "descriptions": [ { "lang": "en", "cweId": "CWE-400", "description": "CWE-400: Uncontrolled Resource Consumption", "type": "CWE" } ] } ], "impacts": [ { "descriptions": [ { "lang": "en", "value": "An unauthenticated remote attacker can cause denial of service by sending specially crafted HTTP requests that trigger excessive resource consumption in applications using Micrometer HTTP server instrumentations." } ] } ], "affected": [ { "vendor": "Spring", "product": "Micrometer", "packageName": "micrometer-core", "versions": [ { "status": "affected", "version": "1.16.0", "lessThan": "1.16.5.1", "versionType": "custom" }, { "status": "affected", "version": "1.15.0", "lessThan": "1.15.11.1", "versionType": "custom" }, { "status": "affected", "version": "1.14.0", "lessThan": "1.14.16", "versionType": "custom" }, { "status": "affected", "version": "1.13.0", "lessThan": "1.13.19", "versionType": "custom" }, { "status": "affected", "version": "1.9.0", "lessThan": "1.9.18", "versionType": "custom" } ], "defaultStatus": "unaffected" }, { "vendor": "Spring", "product": "Micrometer", "packageName": "micrometer-jetty11", "versions": [ { "status": "affected", "version": "1.16.0", "lessThan": "1.16.5.1", "versionType": "custom" }, { "status": "affected", "version": "1.15.0", "lessThan": "1.15.11.1", "versionType": "custom" }, { "status": "affected", "version": "1.14.0", "lessThan": "1.14.16", "versionType": "custom" }, { "status": "affected", "version": "1.13.0", "lessThan": "1.13.19", "versionType": "custom" } ], "defaultStatus": "unaffected" }, { "vendor": "Spring", "product": "Micrometer", "packageName": "micrometer-jetty12", "versions": [ { "status": "affected", "version": "1.16.0", "lessThan": "1.16.6", "versionType": "custom" }, { "status": "affected", "version": "1.15.0", "lessThan": "1.15.11.", "versionType": "custom" }, { "status": "affected", "version": "1.14.0", "lessThan": "1.14.15.1", "versionType": "custom" }, { "status": "affected", "version": "1.13.0", "lessThan": "1.13.19", "versionType": "custom" } ], "defaultStatus": "unaffected" } ], "descriptions": [ { "lang": "en", "value": "In Micrometer, it is possible for a user to provide specially crafted HTTP requests that may cause a denial-of-service (DoS) condition.\n\nAffected versions:\nmicrometer-core 1.16.0 through 1.16.5; 1.15.0 through 1.15.11; 1.14.0 through 1.14.15; 1.13.0 through 1.13.18; 1.9.0 through 1.9.17.\nmicrometer-jetty11 1.16.0 through 1.16.5; 1.15.0 through 1.15.11; 1.14.0 through 1.14.15; 1.13.0 through 1.13.18.\nmicrometer-jetty12 1.16.0 through 1.16.5; 1.15.0 through 1.15.11; 1.14.0 through 1.14.15; 1.13.0 through 1.13.18.", "supportingMedia": [ { "type": "text/html", "base64": false, "value": "In Micrometer, it is possible for a user to provide specially crafted HTTP requests that may cause a denial-of-service (DoS) condition.\n\nAffected versions:\nmicrometer-core 1.16.0 through 1.16.5; 1.15.0 through 1.15.11; 1.14.0 through 1.14.15; 1.13.0 through 1.13.18; 1.9.0 through 1.9.17.\nmicrometer-jetty11 1.16.0 through 1.16.5; 1.15.0 through 1.15.11; 1.14.0 through 1.14.15; 1.13.0 through 1.13.18.\nmicrometer-jetty12 1.16.0 through 1.16.5; 1.15.0 through 1.15.11; 1.14.0 through 1.14.15; 1.13.0 through 1.13.18." } ] } ], "references": [ { "url": "https://spring.io/security/cve-2026-40984" } ], "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": "HIGH", "baseSeverity": "HIGH", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" } } ], "source": { "discovery": "UNKNOWN" }, "x_generator": { "engine": "Vulnogram 1.0.1" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-06-09T13:49:55.899071Z", "id": "CVE-2026-40984", "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": "2026-06-09T13:50:04.966Z" } }, { "affected": [ { "collectionURL": 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