SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAwaiting Analysis

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…

HIGH 7.1EPSS 0.27%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.27%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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 3.1
7.1 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
EPSS
0.27% probability · 18th percentile
CISA KEV
Not listed
Weakness
CWE-22
Source
jenkinsci-cert@googlegroups.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.