SEPTEMBER 17, 2026
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Case File

CVE-2026-84677

MEDIUM · CVSS 5.4 EPSS 0.14% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-09-02 · Last synced 2026-09-17

CyberRota Analysis

AI-Generated

Jenkins update-center2 versions 3.18.3 and earlier are vulnerable to stored cross-site scripting (XSS) due to inadequate escaping of plugin-provided values on download index pages. This vulnerability can be exploited by attackers who can host malicious plugins, potentially leading to unauthorized script execution in users' browsers. Organizations using affected Jenkins versions should prioritize patching to mitigate the risk of exploitation.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
exploit

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-84677
Severity
MEDIUM
CVSS
5.4
EPSS
0.14%
Jenkins

Original NVD Description

Jenkins update-center2 3.18.3 and earlier does not escape plugin-provided values (plugin names, descriptions, and version metadata) on plugin download index pages, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers able to provide a plugin for hosting.