CVE-2026-84649
CVSS Score
8.8
EPSS Score
0.2%
EPSS Percentile
7th
In Stapler 1839.ved17667b_a_eb_5 through 2107.v8dfcb_e8ed317 (both inclusive), except 2088.2093.vd7c3e58008a_6, included in Jenkins 2.447 through 2.579 (both inclusive), LTS 2.452.1 through 2.568.2 (both inclusive), an HTTP endpoint serving dynamically generated JavaScript resources embeds the user's cross-site request forgery (CSRF) token (crumb) as a string literal, allowing attackers with control over a page hosted on the same site as Jenkins to obtain a valid crumb for the targeted user's session and perform actions on their behalf.
| Vendor | jenkins project |
| Product | jenkins |
| Ecosystems | |
| Industries | Technology |
| Published | Sep 2, 2026 |
| Last Updated | Sep 17, 2026 |
Stay Ahead of the Next One
Get instant alerts for jenkins project jenkins
Be the first to know when new high vulnerabilities affecting jenkins project jenkins are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
Affected Versions
Jenkins Project / Jenkins
All versions affected