CVE-2025-67635
Jenkins HTTP-Based CLI Connection Closure Vulnerability
Description
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.
INFO
Published Date :
Dec. 10, 2025, 5:15 p.m.
Last Modified :
Dec. 10, 2025, 6:16 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
Solution
- Upgrade Jenkins to a fixed version.
- Apply security patches to Jenkins.
- Monitor HTTP connection streams.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-67635.
| URL | Resource |
|---|---|
| https://www.jenkins.io/security/advisory/2025-12-10/#SECURITY-3630 |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-67635 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-67635
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-67635 vulnerability anywhere in the article.
-
CybersecurityNews
High-Severity Jenkins Vulnerability Allows Unauthenticated DoS via HTTP CLI
Patches released by Jenkins address a significant denial-of-service (DoS) vulnerability affecting millions of organizations. That rely on the popular automation server for continuous integration and d ... Read more
-
Daily CyberSecurity
High-Severity Jenkins Flaws Risk Unauthenticated DoS via HTTP CLI and XSS Via Coverage Reports
The maintainers of Jenkins, the world’s leading open-source automation server, have issued a critical security advisory addressing a raft of vulnerabilities that could leave CI/CD pipelines exposed to ... Read more
The following table lists the changes that have been made to the
CVE-2025-67635 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Dec. 10, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Added CWE CWE-404 -
New CVE Received by [email protected]
Dec. 10, 2025
Action Type Old Value New Value Added Description 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. Added Reference https://www.jenkins.io/security/advisory/2025-12-10/#SECURITY-3630