What’s Vulnerable › Vulnerabilities
CVE-2026-78591: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in Kibana Leading to Unauthorized Resource Deletion
- Severity: medium (CVSS 6.3 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.4% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-09-02 · updated 2026-09-03
- Weakness: CWE-22
Description
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 resources via Path Traversal (CAPEC-126). A low-privileged user could cause a subsequent action taken by a higher-privileged user in the Fleet administration interface to act on an unintended target, resulting in the deletion of resources including accounts with elevated privileges.
Affected products
- Kibana: from 8.0.0 before 8.19.17; from 9.0.0 before 9.3.6; from 9.4.0 before 9.4.3 — fixed in 8.19.17, 9.3.6, 9.4.3
How to fix
Upgrade to a fixed version: Kibana 8.19.17, 9.3.6, 9.4.3. Check the vendor advisory for mitigations.
References
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