Exposure of Sensitive Information to an Unauthorized Actor in Jenkins

MEDIUM 5.4CVE-2019-10405 · GHSA-47wc-p5cp-w7pw · Published 25/09/2019 · updated 17/06/2026

Package	Affected versions	Patched versions
org.jenkins-ci.main:jenkins-core Maven	`≥ 2.177, < 2.197< 2.176.4`	`2.1972.176.4`
jenkins jenkins	`≤ 2.176.3≤ 2.196`	No fix yet

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.

NVD description

References

nvd.nist.gov/vuln/detail/CVE-2019-10405 · ADVISORY
jenkinsci/jenkins commit 560ee83 · WEB
jenkins.io/security/advisory/2019-09-25 · WEB
openwall.com/lists/oss-security/2019/09/25/3 · WEB

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