CSRF in Jenkins Pipeline Groovy Libraries Plugin deletes shared library caches
CVE-2026-84663 Published on September 2, 2026
A cross-site request forgery (CSRF) vulnerability in Jenkins Pipeline: Groovy Libraries Plugin 798.v5cc688825312 and earlier allows attackers to delete shared library caches.
Vulnerability Analysis
CVE-2026-84663 can be exploited with network access, requires user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality, with no impact on integrity and availability.
Weakness Type
What is a Session Riding Vulnerability?
The web application does not, or can not, sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request. When a web server is designed to receive a request from a client without any mechanism for verifying that it was intentionally sent, then it might be possible for an attacker to trick a client into making an unintentional request to the web server which will be treated as an authentic request. This can be done via a URL, image load, XMLHttpRequest, etc. and can result in exposure of data or unintended code execution.
CVE-2026-84663 has been classified to as a Session Riding vulnerability or weakness.
Products Associated with CVE-2026-84663
Want to know whenever a new CVE is published for Jenkins? stack.watch will email you.
Affected Versions
Jenkins Project Jenkins Pipeline: Groovy Libraries Plugin:- Before and including 798.v5cc688825312 is affected.