CVE-2026-40983: Micrometer gRPC server instrumentation DoS vulnerability
Description
In Micrometer, it is possible for a user to provide specially crafted gRPC requests that may cause a denial-of-service (DoS) condition. Affected versions: Micrometer 1.16.0 through 1.16.5; 1.15.0 through 1.15.11.
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H · CWE-400
Tracked companies
Mapped from the CVE’s affected-product data, NVD CPE matches, vendor advisories or package feeds. A mapping means the vendor’s software is named, not that its hosted service was exposed.
Status incidents that name it
No tracked status incident names this CVE.
Affected vendors and products
Red Hat: Red Hat AMQ Broker 7.14.1Red Hat: Red Hat AMQ ClientsRed Hat: Red Hat Build of Apache Camel 4.18 for Quarkus 3.33Red Hat: Red Hat build of Apache Camel 4 for Quarkus 3Red Hat: Red Hat build of Apache Camel for Spring Boot 4Red Hat: Red Hat build of Apache Camel - HawtIO 4Red Hat: Red Hat build of Apicurio Registry 3Red Hat: Red Hat build of Debezium 3Red Hat: Red Hat Build of KeycloakRed Hat: Red Hat build of Keycloak 26.6Red Hat: Red Hat build of Keycloak 26.6.5Red Hat: Red Hat Data Grid 8.6.2Red Hat: Red Hat Fuse 7Red Hat: Red Hat JBoss Enterprise Application Platform Expansion PackRed Hat: Red Hat OpenShift AI (RHOAI)Red Hat: Red Hat OpenShift Dev SpacesRed Hat: Red Hat OpenShift Dev Spaces 3.30Red Hat: Red Hat Satellite 6Red Hat: streams for Apache Kafka 2Red Hat: Streams for Apache Kafka 3.2.1Spring: Micrometer
References
- CVE record on cve.org (opens in new tab)
- NVD entry (opens in new tab)
- spring.io/security/cve-2026-40983 (opens in new tab)
- CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (opens in new tab)
- This product uses data from the NVD API but is not endorsed or certified by the NVD. (opens in new tab)
- Known Exploited Vulnerabilities catalog from CISA. (opens in new tab)
- EPSS scores from FIRST (Exploit Prediction Scoring System). (opens in new tab)