CVE-2026-78591 — Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in Kibana Leading to Unauthorized Reso…

CVE-2026-78591

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in Kibana Leading to Unauthorized Resource Deletion PUBLISHED

Description (CNA)

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 (CNA)

Vendor / product	Versions
Elastic / Kibana	affected 8.0.0 through 8.19.16; affected 9.0.0 through 9.3.5; affected 9.4.0 through 9.4.2

CWE

CWE-22

References

https://discuss.elastic.co/t/kibana-8-19-17-9-3-6-9-4-3-security-update-esa-2026-159/390114

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.