TI-2026-58207 Aliases CVE-2026-84667 GHSA-mm9g-xfj4-25r6

Path traversal in Jenkins ThinBackup Plugin

LOW 31CWE-22Published 2026-09-02 · Updated 2026-09-02

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: High · Low · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00377 31st percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Jenkins	Jenkins ThinBackup Plugin	up to 2.1.4	—	No fix listed	CNA

Jenkins ThinBackup Plugin VendorJenkins Affected up to 2.1.4 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2026-84667
2026-10-03 Alias added: GHSA-mm9g-xfj4-25r6

References

Advisory 1

Jenkins Security Advisory 2026-09-02

TI-2024-15885 Path traversal in Jenkins KEVCVSS 3.1CRITICAL 9.8
TI-2019-15875 Protection mechanism failure in Jenkins Pipeline: Groovy Plugin KEVCVSS 3.1CRITICAL 9.9
TI-2019-15874 Protection mechanism failure in Jenkins Script Security Plugin KEVCVSS 3.1CRITICAL 9.9
TI-2018-16080 A code execution vulnerability exists in the Stapler web framework used by Jenkins 2.153… KEVCVSS 3.1CRITICAL 9.8
TI-2017-14573 Jenkins versions 2.56 and earlier as well as 2.46.1 LTS and earlier are vulnerable to an… KEVCVSS 3.1CRITICAL 9.8
TI-2023-23979 The HTTP/2 protocol allows a denial of service (server resource consumption) because… KEVCVSS 3.1HIGH 7.5

See all 1914 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences