---
id: CVE-2026-59323
title: >-
  An application using Micrometer Tracing with W3C baggage propagation in the
  Brave bridge is vulnerable to denial of service (DoS) due to unbounded object
  allocation when extracting incoming baggage headers.

  Micrometer Tracing 1.7.0

  Micro…
summary: >-
  An application using Micrometer Tracing with W3C baggage propagation in the
  Brave bridge is vulnerable to denial of service (DoS) due to unbounded object
  allocation when extracting incoming baggage headers.

  Micrometer Tracing 1.7.0

  Micro…
severity: medium
cvss: 5.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L'
cwe:
  - CWE-770
published: '2026-08-21'
updated: '2026-10-16'
sourceUpdated: '2026-10-16T15:10:00.103'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-59323'
references:
  - url: 'https://spring.io/security/cve-2026-59323'
    label: security@vmware.com
tags:
  - nvd
epss: 0.00402
epssPercentile: 0.34666
ingestedAt: '2026-10-27T18:52:09.903Z'
---

## Overview

An application using Micrometer Tracing with W3C baggage propagation in the Brave bridge is vulnerable to denial of service (DoS) due to unbounded object allocation when extracting incoming baggage headers.
Micrometer Tracing 1.7.0
Micrometer Tracing 1.6.0 - 1.6.6
Micrometer Tracing 1.5.0 - 1.5.12
Micrometer Tracing 1.4.13 and earlier

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.