---
id: CVE-2025-59303
title: >-
  HAProxy Kubernetes Ingress Controller before 3.1.13, when the config-snippets
  feature flag is used, accepts config snippets from users with create/update
  permissions
summary: >-
  HAProxy Kubernetes Ingress Controller before 3.1.13, when the config-snippets
  feature flag is used, accepts config snippets from users with create/update
  permissions. This can result in obtaining an ingress token secret as a
  response. Th…
severity: medium
cvss: 6.4
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N'
cwe:
  - CWE-791
published: '2025-10-08'
updated: '2026-10-08'
sourceUpdated: '2026-10-08T13:10:00.200'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-59303'
references:
  - url: >-
      https://haproxy.com/blog/cve-2025-59303-haproxy-kubernetes-ingress-controller-secret-leak
    label: cve@mitre.org
tags:
  - nvd
epss: 0.00261
epssPercentile: 0.16371
ingestedAt: '2026-10-08T13:42:55.010Z'
---

## Overview

HAProxy Kubernetes Ingress Controller before 3.1.13, when the config-snippets feature flag is used, accepts config snippets from users with create/update permissions. This can result in obtaining an ingress token secret as a response. The fixed versions of HAProxy Enterprise Kubernetes Ingress Controller are 3.0.16-ee1, 1.11.13-ee1, and 1.9.15-ee1.

## Remediation

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