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CVE-2026-33002

Quick assessment

Affected
Jenkins Project Jenkins
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Jenkins是Jenkins开源的一个应用软件。一个开源自动化服务器Jenkins提供了数百个插件来支持构建，部署和自动化任何项目。 Jenkins 2.554及之前版本和LTS 2.541.2及之前版本存在安全漏洞，该漏洞源于CLI WebSocket端点源验证存在缺陷，可能导致DNS重绑定攻击。

AI Predicted 4.3 Difficulty: Hard EPSS 0.44% · P37

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2026-33002

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Jenkins 2.442 through 2.554 (both inclusive), LTS 2.426.3 through LTS 2.541.2 (both inclusive) performs origin validation of requests made through the CLI WebSocket endpoint by computing the expected origin for comparison using the Host or X-Forwarded-Host HTTP request headers, making it vulnerable to DNS rebinding attacks that allow bypassing origin validation.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Jenkins 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Jenkins是Jenkins开源的一个应用软件。一个开源自动化服务器Jenkins提供了数百个插件来支持构建，部署和自动化任何项目。 Jenkins 2.554及之前版本和LTS 2.541.2及之前版本存在安全漏洞，该漏洞源于CLI WebSocket端点源验证存在缺陷，可能导致DNS重绑定攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Jenkins Project Jenkins 0 ~ 2.426.3 -

II. Public POCs for CVE-2026-33002

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III. Intelligence Information for CVE-2026-33002

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Vendor Advisories for CVE-2026-33002 (1)

Same Patch Batch · Jenkins Project · 2026-03-18 · 4 CVEs total

CVE-2026-33004 Jenkins LoadNinja Plugin 安全漏洞
CVE-2026-33003 Jenkins LoadNinja Plugin 安全漏洞
CVE-2026-33001 Jenkins 安全漏洞

IV. Related Vulnerabilities

Same product: Jenkins
Same vendor: Jenkins Project

V. Comments for CVE-2026-33002

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