Vulnerability details

CVE-2026-84667

Jenkins Project Jenkins ThinBackup Plugin
CVSS 3.1
7.1High

Official 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 scores

ScoreVersionSourceVector
7.1High 3.1 CISA ADP / Vulnrichment (CISA-ADP) CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N

Affected products

VendorProductVersionsSource
Jenkins Project Jenkins ThinBackup Plugin v ≤ 2.1.4 CVEProject cvelistV5 (CNA)

References and advisories

1
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Details

Published
2026-09-02
Last updated
2026-09-02
State
Published
Assigner (CNA)
jenkins

Exploit prediction (EPSS)

0.37%
Probability of exploitation in 30 days
31.8%
Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable
No
Exploitation
None
Technical impact
Partial

Weaknesses (CWE)

  • CWE-22
    Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')