Path Traversal in Elastic Kibana
CVE-2026-78599
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') (CWE-22) in the Kibana Fleet feature can lead to the unauthorized deletion of internal resources via Path Traversal (CAPEC-126). A low-privileged user holding Fleet write access could cause a subsequent administrative delete action to act on unintended internal resources. Exploitation requires an administrator to interact with the affected Fleet interface.
Vulnerability class: Path Traversal (Directory Traversal)
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-78599?
- CVE-2026-78599 is a medium-severity vulnerability in Elastic Kibana, classified under Path Traversal. CVSS score: 6.5/10. Published 2026-09-02.
- How severe is CVE-2026-78599?
- Medium severity. CVSS v3 base score is 6.5 out of 10.