{"document":{"category":"csaf_vex","csaf_version":"2.0","title":"CVE-2026-40984: Micrometer HTTP server instrumentations DoS vulnerability","publisher":{"category":"vendor","name":"HarborGuard Database","namespace":"https://database.harborguard.co"},"tracking":{"id":"CVE-2026-40984","status":"final","version":"1","initial_release_date":"2026-06-09T03:47:46.447Z","current_release_date":"2026-06-09T13:50:04.966Z","revision_history":[{"date":"2026-06-09T03:47:46.447Z","number":"1","summary":"Initial machine-readable export from HarborGuard."}]},"distribution":{"tlp":{"label":"WHITE"},"text":"Public CVE data; freely redistributable."},"notes":[{"category":"description","text":"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.","title":"CVE description"}],"references":[{"category":"self","summary":"CVE-2026-40984 on HarborGuard Database","url":"https://database.harborguard.co/cve/CVE-2026-40984"},{"category":"external","summary":"CVE Record","url":"https://www.cve.org/CVERecord?id=CVE-2026-40984"},{"category":"external","summary":"spring.io","url":"https://spring.io/security/cve-2026-40984"}]},"product_tree":{"branches":[{"category":"vendor","name":"Spring","branches":[{"category":"product_name","name":"Micrometer","branches":[{"category":"product_version_range","name":">=1.16.0 <1.16.6","product":{"name":"Spring Micrometer >=1.16.0 <1.16.6","product_id":"CSAFPID-1","product_identification_helper":{"cpe":"cpe:2.3:a:spring:micrometer:*:*:*:*:*:*:*:*"}}},{"category":"product_version_range","name":">=1.15.0 <1.15.12","product":{"name":"Spring Micrometer >=1.15.0 <1.15.12","product_id":"CSAFPID-2","product_identification_helper":{"cpe":"cpe:2.3:a:spring:micrometer:*:*:*:*:*:*:*:*"}}},{"category":"product_version_range","name":">=1.14.0 <1.14.16","product":{"name":"Spring Micrometer >=1.14.0 <1.14.16","product_id":"CSAFPID-3","product_identification_helper":{"cpe":"cpe:2.3:a:spring:micrometer:*:*:*:*:*:*:*:*"}}},{"category":"product_version_range","name":">=1.13.0 <1.13.19","product":{"name":"Spring Micrometer >=1.13.0 <1.13.19","product_id":"CSAFPID-4","product_identification_helper":{"cpe":"cpe:2.3:a:spring:micrometer:*:*:*:*:*:*:*:*"}}},{"category":"product_version_range","name":">=1.9.0 <1.9.18","product":{"name":"Spring Micrometer >=1.9.0 <1.9.18","product_id":"CSAFPID-5","product_identification_helper":{"cpe":"cpe:2.3:a:spring:micrometer:*:*:*:*:*:*:*:*"}}}]}]},{"category":"vendor","name":"Spring","branches":[{"category":"product_name","name":"Micrometer","branches":[{"category":"product_version_range","name":">=1.16.0 <1.16.6","product":{"name":"Spring Micrometer >=1.16.0 <1.16.6","product_id":"CSAFPID-6","product_identification_helper":{"cpe":"cpe:2.3:a:spring:micrometer:*:*:*:*:*:*:*:*"}}},{"category":"product_version_range","name":">=1.15.0 <1.15.12","product":{"name":"Spring Micrometer >=1.15.0 <1.15.12","product_id":"CSAFPID-7","product_identification_helper":{"cpe":"cpe:2.3:a:spring:micrometer:*:*:*:*:*:*:*:*"}}},{"category":"product_version_range","name":">=1.14.0 <1.14.16","product":{"name":"Spring Micrometer >=1.14.0 <1.14.16","product_id":"CSAFPID-8","product_identification_helper":{"cpe":"cpe:2.3:a:spring:micrometer:*:*:*:*:*:*:*:*"}}},{"category":"product_version_range","name":">=1.13.0 <1.13.19","product":{"name":"Spring Micrometer >=1.13.0 <1.13.19","product_id":"CSAFPID-9","product_identification_helper":{"cpe":"cpe:2.3:a:spring:micrometer:*:*:*:*:*:*:*:*"}}}]}]},{"category":"vendor","name":"Spring","branches":[{"category":"product_name","name":"Micrometer","branches":[{"category":"product_version_range","name":">=1.16.0 <1.16.6","product":{"name":"Spring Micrometer >=1.16.0 <1.16.6","product_id":"CSAFPID-10","product_identification_helper":{"cpe":"cpe:2.3:a:spring:micrometer:*:*:*:*:*:*:*:*"}}},{"category":"product_version_range","name":">=1.15.0 <1.15.12","product":{"name":"Spring Micrometer >=1.15.0 <1.15.12","product_id":"CSAFPID-11","product_identification_helper":{"cpe":"cpe:2.3:a:spring:micrometer:*:*:*:*:*:*:*:*"}}},{"category":"product_version_range","name":">=1.14.0 <1.14.16","product":{"name":"Spring Micrometer >=1.14.0 <1.14.16","product_id":"CSAFPID-12","product_identification_helper":{"cpe":"cpe:2.3:a:spring:micrometer:*:*:*:*:*:*:*:*"}}},{"category":"product_version_range","name":">=1.13.0 <1.13.19","product":{"name":"Spring Micrometer >=1.13.0 <1.13.19","product_id":"CSAFPID-13","product_identification_helper":{"cpe":"cpe:2.3:a:spring:micrometer:*:*:*:*:*:*:*:*"}}}]}]}]},"vulnerabilities":[{"cve":"CVE-2026-40984","title":"Micrometer HTTP server instrumentations DoS vulnerability","notes":[{"category":"description","text":"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.","title":"CVE description"}],"product_status":{"known_affected":["CSAFPID-1","CSAFPID-2","CSAFPID-3","CSAFPID-4","CSAFPID-5","CSAFPID-6","CSAFPID-7","CSAFPID-8","CSAFPID-9","CSAFPID-10","CSAFPID-11","CSAFPID-12","CSAFPID-13"]},"scores":[{"cvss_v3":{"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"},"products":["CSAFPID-1","CSAFPID-2","CSAFPID-3","CSAFPID-4","CSAFPID-5","CSAFPID-6","CSAFPID-7","CSAFPID-8","CSAFPID-9","CSAFPID-10","CSAFPID-11","CSAFPID-12","CSAFPID-13"]}],"remediations":[{"category":"vendor_fix","details":"Update to a fixed version: 1.9.18, 1.13.19, 1.14.16, 1.15.12, 1.16.6.","product_ids":["CSAFPID-1","CSAFPID-2","CSAFPID-3","CSAFPID-4","CSAFPID-5","CSAFPID-6","CSAFPID-7","CSAFPID-8","CSAFPID-9","CSAFPID-10","CSAFPID-11","CSAFPID-12","CSAFPID-13"]}]}]}