Kibana Fleet Path Traversal Violation Leads to Deletion
CVE-2026-78599 Published on September 2, 2026
Stored Path Traversal in Kibana Leading to Unauthorized Deletion of Internal Resources
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 Analysis
CVE-2026-78599 can be exploited with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.
Weakness Type
What is a Directory traversal Vulnerability?
The software uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the software does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.
CVE-2026-78599 has been classified to as a Directory traversal vulnerability or weakness.
Products Associated with CVE-2026-78599
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Affected Versions
Elastic Kibana:- Version 8.0.0, <= 8.19.17 is affected.
- Version 9.0.0, <= 9.4.2 is affected.