VULNERABILITY INTELLIGENCE

CVE-2019-10405

CVSS score5.4 MEDIUM

EPSS probability65.29%

CISA KEVNot currently listed

Published2019-09-25

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Description

Jenkins 2.196 and earlier, LTS 2.176.3 and earlier printed the value of the "Cookie" HTTP request header on the /whoAmI/ URL, allowing attackers exploiting another XSS vulnerability to obtain the HTTP session cookie despite it being marked HttpOnly.

Weakness classification

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Primary references

jenkinsci-cert@googlegroups.com — Mailing List, Third Party Advisory
jenkinsci-cert@googlegroups.com — Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory