CVE-2026-84667 json
Jenkins ThinBackup Plugin 2.1.4 and earlier allows overwriting the plugin's backup configuration through Stapler data binding, allowing att…
published 2026-09-02 2 mo ago modified 2026-09-03 2 mo ago also EUVD-2026-70133
- cvss
- 7.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 31%
- public exploits
- 0
- none known
Summary
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.
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 mo ago
Exploit prediction
0.38% chance of exploitation in the next 30 days, higher than 31% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 7.1 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N |
| CNA | 3.1 | 7.1 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N |
Affected products
- Jenkins Project Jenkins ThinBackup Plugin
Classification
- Weakness
-
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory
References
-
jenkins.io
/security/advisory/2026-09-02/#SECURITY-4099
vendor-advisory
Sources
- CVE List CVE-2026-84667
- NVD CVE-2026-84667
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