CVE-2026-84663 Cross-site request forgery in Jenkins Pipeline: Groovy Libraries Plugin
Attackers can delete shared library caches via CSRF, requiring Jenkins administrators to upgrade the Groovy Libraries Plugin.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-84663?
CVE-2026-84663 is a medium-severity vulnerability in Jenkins Pipeline: Groovy Libraries Plugin, published on 2 Sep 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
A cross-site request forgery (CSRF) vulnerability in Jenkins Pipeline: Groovy Libraries Plugin 798.v5cc688825312 and earlier allows attackers to delete shared library caches.
Weakness: CWE-352
Which versions are affected by CVE-2026-84663?
How do I fix CVE-2026-84663?
No fix has been published for CVE-2026-84663 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-84663 being exploited?
There is no known exploitation of CVE-2026-84663 in the wild and no public exploit code.
Sources
Also known as GHSA-xv9v-gwf8-vr97.