UpHeron
All vulnerabilities

Servers and applications

CVE-2026-117623

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.

Severity
Medium 5.4
Published
28 Oct 2026
Last changed
2 Nov 2026
Added to UpHeron
3 Nov 2026
Fixed in
2.580.2, 2.588
Sources
NVD, CVE Program

Affected software

SoftwareAffected versions
JenkinsServers and applications · cna:jenkins project|jenkins
  • Every version before 2.588
JenkinsServers and applications · cpe:a:jenkins:jenkins
  • Every version before 2.580.2
  • Every version before 2.588

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2026-117623
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-117623