CVE-2026-78599 Stored Path Traversal in Kibana Leading to Unauthorized Deletion of Internal Resources
A low-privileged user can trigger unauthorized deletion of internal resources via path traversal in Kibana Fleet, requiring admin interaction.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-78599?
CVE-2026-78599 is a medium-severity path traversal vulnerability in Elastic Kibana, published on 2 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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 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.
Weakness: CWE-22
Which versions are affected by CVE-2026-78599?
It affects 1 product.
Products include Elastic Kibana.
How do I fix CVE-2026-78599?
Apply the vendor's patch.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-78599 being exploited?
There is no known exploitation of CVE-2026-78599 in the wild and no public exploit code.
Other vulnerabilities in Elastic Kibana
Sources
Also known as GHSA-38vr-hjhm-gmw7, MINI-f2r3-qcv7-3vqv, MINI-fpvm-qhrh-r6q8, MINI-j67h-pgh9-xp4f, MINI-m558-gvgr-j3h3, MINI-p35j-6v3q-vv7x and 2 more.