What’s Vulnerable › Vulnerabilities
CVE-2026-72677: Relative Path Traversal in Kibana Fleet Leading to Unauthorized Deletion of Users and Other Resources
- Severity: high (CVSS 7.3 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: 2026-08-13 · updated 2026-09-02
- Weakness: CWE-23
Description
Relative Path Traversal (CWE-23) in Kibana can lead to the unauthorized deletion of Kibana resources via Relative Path Traversal (CAPEC-139). Kibana Fleet accepted a user-supplied identifier for a Fleet Server host configuration without rejecting relative traversal sequences. The identifier is stored as provided and is later incorporated into the request that Kibana issues when that configuration is removed.
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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