---
id: CVE-2026-59296
title: >-
  Using untrusted, non-normalized input as-is for metrics data (such as metric
  names, tag keys, or tag values) is a dangerous antipattern that
  general-purpose instrumentation should never perform.

  Micrometer 1.17.0

  Micrometer 1.16.0 - 1.16…
summary: >-
  Using untrusted, non-normalized input as-is for metrics data (such as metric
  names, tag keys, or tag values) is a dangerous antipattern that
  general-purpose instrumentation should never perform.

  Micrometer 1.17.0

  Micrometer 1.16.0 - 1.16…
severity: medium
cvss: 5.9
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N'
cwe:
  - CWE-74
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-2026-59296'
references:
  - url: 'https://spring.io/security/cve-2026-59296'
    label: security@vmware.com
tags:
  - nvd
epss: 0.00301
epssPercentile: 0.22695
ingestedAt: '2026-10-27T18:52:09.906Z'
---

## Overview

Using untrusted, non-normalized input as-is for metrics data (such as metric names, tag keys, or tag values) is a dangerous antipattern that general-purpose instrumentation should never perform.
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

## Remediation

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