Server-Side Request Forgery (SSRF) in Kibana - CVE-2026-26938
Published: February 27, 2026
Vulnerability identifier: #VU123315
CSH Severity: Medium
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N]
CVE-ID: CVE-2026-26938
CWE-ID: CWE-918
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The disclosed vulnerability allows a remote user to perform SSRF attacks.
The vulnerability exists due to insufficient validation of user-supplied input. A remote user with workflowsManagement:executeWorkflow privilege can view contents of arbitrary files on the server.
Affected software
Kibana
How to mitigate CVE-2026-26938
Install updates from vendor's website.
Kibana - update to 9.3.1