CVE-2026-59295
Micrometer Instrumentation of Apache HttpAsyncClient Denial of Service Vulnerability
CVSS Score
5.9
EPSS Score
0.0%
EPSS Percentile
0th
Micrometer-instrumented Apache HttpAsyncClient (4.x or 5.x) usage via MicrometerHttpClientInterceptor can leak memory unboundedly when asynchronous requests fail before receiving a response (e.g. connection resets or timeouts). Tracking state for these requests remains in memory indefinitely, and sustained failures lead to heap exhaustion and OutOfMemoryError crashes.
| CWE | CWE-401 |
| Vendor | vmware (broadcom) |
| Product | io.micrometer:micrometer-core |
| Published | Aug 24, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected Versions
VMware (Broadcom) / io.micrometer:micrometer-core
0 ≤ 1.9.18 1.14.0 ≤ 1.14.16 1.15.0 ≤ 1.15.12 1.16.0 ≤ 1.16.6 1.17.0