MEDIUM 5.9 NVD

CVE-2026-59295

Micrometer-instrumented Apache HttpAsyncClient (4.x or 5.x) usage via MicrometerHttpClientInterceptor can leak memory unboundedly when asynchronous requests fai

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.

References

https://github.com/spring-projects/security-advisories/security/advisories/GHSA-747c-jhq3-
https://spring.io/security/cve-2026-59295

Published: 2026-08-24 · Source: NVD · Feed updated: 2026-08-24

This medium severity vulnerability with a CVSS score of 5.9 was published on 2026-08-24 via NVD.

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