Path Traversal in Jenkins Project Thinbackup Plugin
CVE-2026-84667
Jenkins ThinBackup Plugin 2.1.4 and earlier allows overwriting the plugin's backup configuration through Stapler data binding, allowing attackers to redirect backup writes to an attacker-specified directory and to include arbitrary files from the Jenkins controller file system in backups.
Vulnerability class: Path Traversal (Directory Traversal)
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N.
Affected products
Weakness classification (CWE)
References
- jenkinsci-cert@googlegroups.com (vendor-advisory)
Frequently asked questions
- What is CVE-2026-84667?
- CVE-2026-84667 is a high-severity vulnerability in Jenkins Project Thinbackup Plugin, classified under Path Traversal. CVSS score: 7.1/10. Published 2026-09-02.
- How severe is CVE-2026-84667?
- High severity. CVSS v3 base score is 7.1 out of 10.