CVE-2026-78597 Missing Authorization in Kibana Entity Store Leading to Unauthorized API Key Creation
Low-privilege users can create Elasticsearch API keys via Entity Store, bypassing required administrative privileges.
- 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-2026-78597?
CVE-2026-78597 is a medium-severity missing authorization vulnerability in Elastic Kibana, published on 1 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Missing Authorization (CWE-862) in the Kibana Entity Store feature can lead to unauthorized credential creation via Accessing Functionality Not Properly Constrained by ACLs (CAPEC-1). An authenticated user holding only low-privilege Security feature access could invoke an administrative operation that creates and persists Elasticsearch API keys under the caller's identity, bypassing the elevated cluster and Kibana privileges that the documented Entity Store setup flow requires.
Weakness: CWE-862
Which versions are affected by CVE-2026-78597?
It affects 1 product.
Products include Elastic Kibana.
How do I fix CVE-2026-78597?
Apply the vendor's patch.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-78597 being exploited?
There is no known exploitation of CVE-2026-78597 in the wild and no public exploit code.
Other vulnerabilities in Elastic Kibana
Sources
Also known as GHSA-hw7g-86hr-vpjv, MINI-4wvx-q84g-xx5f, MINI-ch2m-f9wf-vhw4, MINI-m5cf-v5gv-mcv8, MINI-q4cq-cvf2-hj3j, MINI-q5vp-c9wv-rr2g and 2 more.