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TI-2026-42427 Aliases CVE-2026-59295GHSA-v7hr-hgg3-vv6q

Micrometer instrumentation of Apache HttpAsyncClient DoS vulnerability

Priority LOW 27Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
High
Impact type
—
Confidentiality · integrity · availability
None · None · High
Fix status
Partial Red Hat: 2 fixed, 1 without a fix

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat.

Summary

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

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00367 30th percentileScored 2026-11-07
Fix Partial Red Hat: 2 advisoriesRed Hat: 2 fixed, 1 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
VMwareMicrometer1.17.0; 1.16.0 – 1.16.6; 1.15.0 – 1.15.12; 1.14.0 – 1.14.16; up to 1.9.18—No fix listedCNA
  • Micrometer VendorVMware Affected 1.17.0; 1.16.0 – 1.16.6; 1.15.0 – 1.15.12; 1.14.0 – 1.14.16; up to 1.9.18 Fixed in — No fix listed CNA

Remediation

Red Hat 2 advisories

  • RHSA-2026:83520 Released 2026-10-15 · Red Hat rating Important
    Red Hat build of Quarkus 3.33.4 release and security update
    • Red Hat build of Quarkus 3.33.4.redhat at.yawk.lz4.lz4-java-1.11.1.rhel8-redhat-00001.jar, com.fasterxml.jackson.core.jackson-core-2.21.7.redhat-00001.jar, com.fasterxml.jackson.core.jackson-databind-2.21.7.redhat-00001.jar +10
  • RHSA-2026:83082 Released 2026-10-15 · Red Hat rating Important
    Red Hat build of Quarkus 3.27.6 release and security update
    • Red Hat build of Quarkus 3.27.6.redhat at.yawk.lz4.lz4-java-1.11.1.rhel8-redhat-00001.jar, com.fasterxml.jackson.core.jackson-core-2.21.7.redhat-00001.jar, com.fasterxml.jackson.core.jackson-databind-2.21.7.redhat-00001.jar +11

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat AMQ Broker 7AffectedNo fix yet
Red Hat build of Quarkus 3.27.6.redhatFixed RHSA-2026:83082
Red Hat build of Quarkus 3.33.4.redhatFixed RHSA-2026:83520
Not affected: 15 products
  • Exploit Intelligence
  • Red Hat Build of Keycloak
  • Red Hat Data Grid 8
  • Red Hat Fuse 7
  • Red Hat JBoss Enterprise Application Platform 8
  • Red Hat JBoss Enterprise Application Platform Expansion Pack
  • Red Hat OpenShift AI (RHOAI)
  • Red Hat OpenShift Dev Spaces
  • Red Hat Satellite 6
  • Red Hat build of Apache Camel 4 for Quarkus 3
  • Red Hat build of Apache Camel for Spring Boot 4
  • Red Hat build of Apicurio Registry 3
  • Red Hat build of Debezium 3
  • Red Hat build of Quarkus 3.27.6.redhat
  • Red Hat build of Quarkus 3.33.4.redhat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-59295
  2. 2026-10-03 Alias added: GHSA-v7hr-hgg3-vv6q
  3. 2026-10-16 Fix available: RHSA-2026:83520 · Red Hat
  4. 2026-10-16 Fix available: RHSA-2026:83082 · Red Hat
  5. 2026-10-16 Fix available: Red Hat build of Quarkus 3.27.6.redhat, Red Hat build of Quarkus 3.33.4.redhat · Red Hat

References

  • TI-2026-42442 vCenter directory-traversal vulnerability KEVCVSS 3.1CRITICAL 9.8
  • TI-2024-26040 Privilege escalation in VMware vCenter Server KEVCVSS 3.1CRITICAL 9.8
  • TI-2024-26039 Heap-overflow in VMware vCenter Server KEVCVSS 3.1CRITICAL 9.8
  • TI-2024-24610 Out-of-bounds write in VMware vCenter Server KEVCVSS 3.1CRITICAL 9.8
  • TI-2023-16914 VMware vCenter Server Out-of-Bounds Write Vulnerability KEVCVSS 3.1CRITICAL 9.8
  • TI-2023-07303 Command injection in Aria Operations for Networks KEVCVSS 3.1CRITICAL 9.8
See all 1181 →

Sources