CVE-2026-33458: Server-Side Request Forgery (SSRF) in Kibana One Workflow Leading to Information Disclosure
Server-Side Request Forgery (CWE-918) in Kibana One Workflow can lead to information disclosure. An authenticated user with workflow creation and execution privileges can bypass host allowlist restrictions in the Workflows Execution Engine, potentially exposing sensitive internal endpoints and data.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-33458?
CVE-2026-33458 is classified as a medium severity vulnerability that allows for server-side request forgery leading to information disclosure.
Who is affected by CVE-2026-33458?
CVE-2026-33458 affects users of Elastic Kibana One Workflow versions between 9.3.0 and 9.3.3.
How do I fix CVE-2026-33458?
To fix CVE-2026-33458, upgrade your Elastic Kibana to version 9.3.4 or later, which addresses this vulnerability.
What type of vulnerability is CVE-2026-33458?
CVE-2026-33458 is categorized as a Server-Side Request Forgery (SSRF) vulnerability.
What can attackers do with CVE-2026-33458?
Attackers with workflow creation and execution privileges can exploit CVE-2026-33458 to bypass host allowlist restrictions and potentially access sensitive information.