# CVE-2026-40983: Micrometer gRPC server instrumentation DoS vulnerability

> CVE-2026-40983: Micrometer gRPC server instrumentation DoS vulnerability. CVSS 7.5 (CVSS 3.1).

Canonical: https://rewindex.com/cve/CVE-2026-40983
Last updated: 2026-09-14T13:18:33Z

- Published: 2026-06-09 03:46 UTC · Updated: 2026-09-14 13:18 UTC · Assigner: vmware
- CVSS: 7.5 (CVSS 3.1) · Severity: High · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS: 0.63%, 50th percentile (scored 2026-10-25)
- CISA KEV: no
- CWE: CWE-400

## 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.

## Affected vendors and products

- Red Hat: Red Hat AMQ Broker 7.14.1
- Red Hat: Red Hat AMQ Clients
- Red Hat: Red Hat Build of Apache Camel 4.18 for Quarkus 3.33
- Red Hat: Red Hat build of Apache Camel 4 for Quarkus 3
- Red Hat: Red Hat build of Apache Camel for Spring Boot 4
- Red Hat: Red Hat build of Apache Camel - HawtIO 4
- Red Hat: Red Hat build of Apicurio Registry 3
- Red Hat: Red Hat build of Debezium 3
- Red Hat: Red Hat Build of Keycloak
- Red Hat: Red Hat build of Keycloak 26.6
- Red Hat: Red Hat build of Keycloak 26.6.5
- Red Hat: Red Hat Data Grid 8.6.2
- Red Hat: Red Hat Fuse 7
- Red Hat: Red Hat JBoss Enterprise Application Platform Expansion Pack
- Red Hat: Red Hat OpenShift AI (RHOAI)
- Red Hat: Red Hat OpenShift Dev Spaces
- Red Hat: Red Hat OpenShift Dev Spaces 3.30
- Red Hat: Red Hat Satellite 6
- Red Hat: streams for Apache Kafka 2
- Red Hat: Streams for Apache Kafka 3.2.1
- Spring: Micrometer

## Tracked companies

- [Bitbucket](https://rewindex.com/company/bitbucket.md)
- [Confluence](https://rewindex.com/company/confluence.md)
- [Jira](https://rewindex.com/company/jira.md)

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2026-40983)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2026-40983)
- [https://spring.io/security/cve-2026-40983](https://spring.io/security/cve-2026-40983)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2026-40983 · Markdown: https://rewindex.com/cve/CVE-2026-40983.md · JSON: https://rewindex.com/api/v1/cves/CVE-2026-40983 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T03:09:56.799Z