Vulnerability · Published Aug 24, 2026 · Assigned by vmware

CVE-2026-59295Micrometer instrumentation of Apache HttpAsyncClient DoS vulnerability

Medium 5.9

In plain English

A medium-severity security flaw 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 0.4% (higher than 31% of all known vulnerabilities).

Severity (CVSS 3.1)5.9Medium
Exploit odds (30 days)0.4%top 69.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

It is possible for outbound HTTP requests using a Micrometer-instrumented client to cause a denial-of-service (DoS) condition due to an unbounded memory leak. Micrometer 1.17.0 Micrometer 1.16.0 - 1.16.6 Micrometer 1.15.0 - 1.15.12 Micrometer 1.14.0 - 1.14.16 Micrometer 1.9.18 and earlier

Affected products (as reported)

VendorProductVersions
Spring Micrometer 1.17.01.16.0 – through 1.16.61.15.0 – through 1.15.121.14.0 – through 1.14.160 – through 1.9.18

References