What’s Vulnerable › Vulnerabilities
CVE-2026-56146: Improper Access Control in Kibana Leading to Unauthorized Data Modification and Information Disclosure
- Severity: medium (CVSS 5.4 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.2% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-07-21 · updated 2026-10-24
- Weakness: CWE-863
Description
Improper Access Control (CWE-284) in Kibana can lead to unauthorized modification of Entity Analytics Watchlist configuration and potential information disclosure. A low-privileged authenticated user with read-only Security Solution access could perform write operations on watchlist data that should require elevated privileges. Under specific deployment conditions, this could also allow such a user to access data beyond their authorized scope.
Affected products
- Kibana: from 9.4.0 before 9.4.3 — fixed in 9.4.3
How to fix
Upgrade to a fixed version: Kibana 9.4.3. Check the vendor advisory for mitigations.
References
Get alerted when CVE-2026-56146 or the next vulnerability affects your stack