CVE-2026-117622

high

Description

Jenkins 2.587 and earlier, LTS 2.580.1 and earlier allows agents to send exceptions implementing the Stapler HttpResponse interface to the controller, resulting in a cross-site scripting (XSS) vulnerability exploitable by attackers in control of agent processes.

References

https://www.jenkins.io/security/advisory/2026-10-28/#SECURITY-4249

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-112187

Details

Source: Mitre, NVD

Published: 2026-10-28

Updated: 2026-10-29

Risk Information

CVSS v2

Base Score: 9

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 8

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.0018