CVE-2026-59323CWE-770denial-of-service

CVE-2026-59323

Medium · published August 21, 2026

CVSS v3.1
5.3
EPSS
0%
Percentile
33.3
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v3.1
5.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CVSS v4.0
Not supplied
EPSS
0.00402 · 33.3th percentile
Weakness
CWE-770 · Allocation of Resources Without Limits or Throttling
Published
2026-08-21T14:16Z
References (1)
https://spring.io/security/cve-2026-59323 · [email protected]
EPSS history
Timeline
  • 21 AUG 10:01Z
    Micrometer Tracing Brave Bridge W3C Baggage propagation DoS vulnerability
    cvelistv5