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

Quick assessment

Affected
Spring Micrometer
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

VMware Spring Micrometer是美国VMware公司的一个应用监控指标收集工具。 VMware Spring Micrometer 1.9.18及之前版本、1.14.16及之前的1.14.x版本、1.15.12及之前的1.15.x版本、1.16.6及之前的1.16.x版本和1.17.0版本存在资源管理错误漏洞，该漏洞源于通过MicrometerHttpClientInterceptor使用Apache HttpAsyncClient（4.x或5.x）时，异步请求在收到响应前失败会导致跟踪

CVSS 5.9 · Medium EPSS 0.37% · P29

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 5

VendorProduct Version RangeStatus
Spring Micrometer 1.17.0 affected
1.16.0≤ 1.16.6 affected
1.15.0≤ 1.15.12 affected
1.14.0≤ 1.14.16 affected
≤ 1.9.18 affected
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I. Basic Information for CVE-2026-59295

Vulnerability Information
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Vulnerability Title
Micrometer instrumentation of Apache HttpAsyncClient DoS vulnerability
Source: CVE Program / CVE List V5
Vulnerability 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
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
VMware Spring Micrometer 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
VMware Spring Micrometer是美国VMware公司的一个应用监控指标收集工具。 VMware Spring Micrometer 1.9.18及之前版本、1.14.16及之前的1.14.x版本、1.15.12及之前的1.15.x版本、1.16.6及之前的1.16.x版本和1.17.0版本存在资源管理错误漏洞，该漏洞源于通过MicrometerHttpClientInterceptor使用Apache HttpAsyncClient（4.x或5.x）时，异步请求在收到响应前失败会导致跟踪
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Spring Micrometer 1.17.0 -

II. Public POCs for CVE-2026-59295

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III. Intelligence Information for CVE-2026-59295

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Vendor Advisories for CVE-2026-59295 (2)

IV. Related Vulnerabilities

Same product: Micrometer
Same vendor: Spring

V. Comments for CVE-2026-59295

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