---
id: CVE-2025-67635
title: >-
  Jenkins 2.540 and earlier, LTS 2.528.2 and earlier does not properly close
  HTTP-based CLI connections when the connection stream becomes corrupted,
  allowing unauthenticated attackers to cause a denial of service.
summary: >-
  Jenkins 2.540 and earlier, LTS 2.528.2 and earlier does not properly close
  HTTP-based CLI connections when the connection stream becomes corrupted,
  allowing unauthenticated attackers to cause a denial of service.
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-404
vendor: jenkins
product: jenkins
affected:
  - jenkins < 2.528.3
  - jenkins < 2.541
patched:
  - jenkins 2.541
published: '2025-12-10'
updated: '2026-10-14'
sourceUpdated: '2026-10-14T21:10:00.183'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-67635'
references:
  - url: 'https://www.jenkins.io/security/advisory/2025-12-10/#SECURITY-3630'
    label: jenkinsci-cert@googlegroups.com
tags:
  - nvd
epss: 0.00563
epssPercentile: 0.45488
ingestedAt: '2026-10-14T21:57:04.787Z'
---

## Overview

Jenkins 2.540 and earlier, LTS 2.528.2 and earlier does not properly close HTTP-based CLI connections when the connection stream becomes corrupted, allowing unauthenticated attackers to cause a denial of service.

## Affected

- `jenkins < 2.528.3`
- `jenkins < 2.541`

## Remediation

Upgrade past the affected range:

- `jenkins 2.541`