Server-Side Request Forgery (SSRF) in Kibana - CVE-2026-49093
Published: May 29, 2026
Vulnerability identifier: #VU132759
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:L/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-49093
CWE-ID: CWE-918
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Elastic Stack
Affected software:
Kibana
Kibana
Detailed vulnerability description
The vulnerability allows a remote user to access unauthorized network destinations.
The vulnerability exists due to server-side request forgery in connector management functionality when processing connector requests. A remote user can configure a connector request that bypasses the configured allowlist to access unauthorized network destinations.
Only deployments that use a non-wildcard xpack.actions.allowedHosts value as an egress control are affected.
How to mitigate CVE-2026-49093
Install security update from vendor's website.