Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-27099

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 2.483版本至2.550版本和LTS 2.492.1版本至2.541.1版本存在安全漏洞，该漏洞源于未转义用户提供的离线原因描述，可能导致存储型跨站脚本攻击。

AI Predicted 6.1 Difficulty: Easy EPSS 0.57% · P45
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-27099

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Jenkins 2.483 through 2.550 (both inclusive), LTS 2.492.1 through 2.541.1 (both inclusive) does not escape the user-provided description of the "Mark temporarily offline" offline cause, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Agent/Configure or Agent/Disconnect permission.
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 2.483版本至2.550版本和LTS 2.492.1版本至2.541.1版本存在安全漏洞，该漏洞源于未转义用户提供的离线原因描述，可能导致存储型跨站脚本攻击。
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 ~ 2.483 -

II. Public POCs for CVE-2026-27099

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-27099

请登录查看更多情报信息。

Vendor Advisories for CVE-2026-27099 (1)

IV. Related Vulnerabilities

Same product: Jenkins
Same vendor: Jenkins Project

V. Comments for CVE-2026-27099

No comments yet

Leave a comment