Not yet scoredPublished Oct 28, 2026

CVE-2026-117623Jenkins 2.587 and earlier, LTS 2.580.1 and earlier does not escape the text shown in the tooltips of breadcrumb bar overflow menu entries, resulting in a stored cross-site scripting (XSS) vulnerabili…

Updated under an hour ago (Oct 29, 2026, 8:40 PM ET)

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No exploitation reported and no EPSS estimate yet.

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Jenkins 2.587 and earlier, LTS 2.580.1 and earlier does not escape the text shown in the tooltips of breadcrumb bar overflow menu entries, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Overall/Read permission.

CVSS: Not yet scored
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: jenkins
NVD analysis: Awaiting Analysis
Record last updated: Oct 28, 2026
First seen by InfoSec Signals: Oct 28, 2026

Affected products

Affected products

Jenkins Project Jenkins jenkins_project:jenkins (from the name)	from 2.588 not affected; 2.580.2 builds before 2.580.* not affected	CNA record

References

References

https://www.jenkins.io/security/advisory/2026-10-28/#SECURITY-4229	vendor-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.