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

EcosystemPackageFixed inAdvisory
Mavenio.micrometer:micrometer-core1.16.6GHSA-w737-wx49-qj23
Mavenio.micrometer:micrometer-core1.15.12GHSA-w737-wx49-qj23

Affected products (as reported)

VendorProductVersions
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