---
id: CVE-2022-31684
title: >-
  Reactor Netty HTTP Server, in versions 1.0.11 - 1.0.23, may log request
  headers in some cases of invalid HTTP requests
summary: >-
  Reactor Netty HTTP Server, in versions 1.0.11 - 1.0.23, may log request
  headers in some cases of invalid HTTP requests. The logged headers may reveal
  valid access tokens to those with access to server logs. This may affect only
  invalid H…
severity: medium
cvss: 4.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N'
cwe:
  - CWE-532
vendor: broadcom
product: reactor_netty
affected:
  - 'reactor_netty >= 1.0.11, <= 1.0.23'
published: '2022-10-19'
updated: '2026-09-04'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2022-31684'
references:
  - url: 'https://tanzu.vmware.com/security/cve-2022-31684'
    label: security@vmware.com
  - url: 'https://tanzu.vmware.com/security/cve-2022-31684'
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
epss: 0.00658
epssPercentile: 0.49346
ingestedAt: '2026-09-04T19:26:35.342Z'
---

## Overview

Reactor Netty HTTP Server, in versions 1.0.11 - 1.0.23, may log request headers in some cases of invalid HTTP requests. The logged headers may reveal valid access tokens to those with access to server logs. This may affect only invalid HTTP requests where logging at WARN level is enabled.

## Affected

- `reactor_netty >= 1.0.11, <= 1.0.23`

## Remediation

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