CVE-2026-23904
Apache Kyuubi: Unrestricted access via Kyuubi engine-ui proxy
- State
- Published
- Severity
- 7.3 High
- Published
- Jul 29, 2026
- Updated
- Jul 29, 2026
- Reserved
- Jan 19, 2026
Description
Kyuubi Engine UI proxy accepts a host and port from the request path and proxies HTTP requests to that destination. A remote requester with network access to the proxy can cause the Kyuubi server to send HTTP requests to arbitrary reachable hosts, resulting in SSRF or open-proxy behavior.
This issue affects Apache Kyuubi: from 1.8.0 before 1.12.0.
Users are recommended to upgrade to version 1.12.0, which disables the proxy by default. To restore proxied Engine UI, set kyuubi.frontend.rest.engine.ui.proxy.enabled=true and configure allowed target hosts with kyuubi.frontend.rest.engine.ui.proxy.hosts.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 7.3 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L | CISA-ADP |
Weaknesses
- CWE-923 Improper Restriction of Communication Channel to Intended Endpoints
Affected Products
| Product | Versions |
|---|---|
Apache KyuubiApache Software Foundation |
|
References
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