CVE-2026-56152 Incorrect Authorization in Kibana Leading to Information Disclosure

What is CVE-2026-56152?

CVE-2026-56152 is a medium-severity missing authorization vulnerability in Elastic Kibana, published on 1 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Incorrect Authorization (CWE-863) in Kibana can lead to unauthorized information disclosure via Accessing Functionality Not Properly Constrained by ACLs (CAPEC-1). Under certain conditions, a low-privileged authenticated user can access response action data that they are not authorized to view.

Weakness: CWE-863

Which versions are affected by CVE-2026-56152?

It affects 1 product.

Products include Elastic Endpoint Security.

How do I fix CVE-2026-56152?

No fix has been published for CVE-2026-56152 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-56152 being exploited?

There is no known exploitation of CVE-2026-56152 in the wild and no public exploit code.

Other vulnerabilities in Elastic Kibana

• CVE-2022-38775 Privilege escalation in Elastic Endpoint Security High 7.8
• CVE-2022-23714 Privilege escalation in Endpoint Security High 7.8

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-vvj5-p4vc-v5q3.