CVE-2026-84667

Description

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.

CVSS Vector

References

• https://www.jenkins.io/security/advisory/2026-09-02/#SECURITY-4099