Path traversal in Kibana - CVE-2026-78599
Published: September 2, 2026
Vulnerability identifier: #VU146666
CSH Severity: Low
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-78599
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to cause a denial of service.
The vulnerability exists due to path traversal in the Kibana Fleet feature when processing delete actions on stored paths. A remote user can cause a subsequent administrative delete action to act on unintended internal resources to cause a denial of service.
Exploitation requires an administrator to interact with the affected Fleet interface.
Affected software
Kibana
How to mitigate CVE-2026-78599
Install security update from vendor's website.
Kibana - addressed in versions 8.19.18, 9.4.3