Vulnerability · Published Jun 9, 2026 · Assigned by vmware
CVE-2026-40983Micrometer gRPC server instrumentation DoS vulnerability
High 7.5
In plain English
A high-severity uncontrolled resource consumption in Micrometer from Spring. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 50% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.6%top 49.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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 packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Maven | io.micrometer:micrometer-core | 1.16.6 | GHSA-w737-wx49-qj23 |
| Maven | io.micrometer:micrometer-core | 1.15.12 | GHSA-w737-wx49-qj23 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Spring | Micrometer | 1.16.0 – before 1.16.5.11.15.0 – before 1.15.11.1 |
Weakness: CWE-400, CWE-770 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
- https://spring.io/security/cve-2026-40983
- https://access.redhat.com/security/cve/CVE-2026-40983 vdb-entry, x_refsource_REDHAT
- RHBZ#2486697 issue-tracking, x_refsource_REDHAT
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-40983.json x_sadp-csaf-vex
- https://access.redhat.com/errata/RHSA-2026:50849 vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:66488 vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:36839 vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:41951 vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:62260 vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:50848 vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:54435 vendor-advisory, x_refsource_REDHAT