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CVE-2026-33001

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，该漏洞源于提取归档文件时未安全处理符号链接，可能导致任意文件写入。

AI Predicted 8.1 Difficulty: Easy EPSS 1.18% · P67

Possible ATT&CK Techniques 1 AI

T1059.004 · Unix Shell

Affected Version Matrix 2

VendorProduct Version RangeStatus
Jenkins Project Jenkins 2.555< * unaffected
2.541.3< 2.541.* unaffected
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I. Basic Information for CVE-2026-33001

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Jenkins 2.554 and earlier, LTS 2.541.2 and earlier does not safely handle symbolic links during the extraction of .tar and .tar.gz archives, allowing crafted archives to write files to arbitrary locations on the filesystem, restricted only by file system access permissions of the user running Jenkins. This can be exploited to deploy malicious scripts or plugins on the controller by attackers with Item/Configure permission, or able to control agent processes.
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，该漏洞源于提取归档文件时未安全处理符号链接，可能导致任意文件写入。
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 2.555 ~ * -

II. Public POCs for CVE-2026-33001

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III. Intelligence Information for CVE-2026-33001

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Vendor Advisories for CVE-2026-33001 (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-2026-33002 Jenkins 安全漏洞

IV. Related Vulnerabilities

Same product: Jenkins
Same vendor: Jenkins Project

V. Comments for CVE-2026-33001

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