CVE-2026-78591Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in Kibana Leading to Unauthorized Resource Deletion
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No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 6.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:L
- Weakness (CWE)
- CWE-22
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- elastic
- NVD analysis
- Analyzed
- Record last updated
- Sep 2, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Elastic Kibana elastic:kibana (from the name) | from 8.0.0 through 8.19.16; from 9.0.0 through 9.3.5; from 9.4.0 through 9.4.2 | CNA record |
elastic kibana elastic: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 | NVD |
References
- https://discuss.elastic.co/t/kibana-8-19-17-9-3-6-9-4-3-security-update-esa-2026-159/390114vendor-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.