CVE-2026-59295 Micrometer Instrumentation of Apache HttpAsyncClient Denial of Service Vulnerability

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...

CVE-2026-59295

CVE-2026-59295 affects applications using MicrometerHttpClientInterceptor to instrument Apache HttpAsyncClient (4.x or 5.x). When asynchronous requests fail before receiving a response—such as connection resets or timeouts—the per-request tracking state is never released, causing an unbounded mem...

PT-2026-80797

Name of the Vulnerable Software and Affected Versions Apache HttpAsyncClient versions 4.x Apache HttpAsyncClient versions 5.x Description Usage of Apache HttpAsyncClient via MicrometerHttpClientInterceptor can lead to unbounded memory leaks when asynchronous requests fail before a response is...