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High severity7.3NVD Advisory· Published Jul 29, 2026· Updated Aug 5, 2026

CVE-2026-23904

CVE-2026-23904

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.

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Affected products

2
  • Apache/Kyuubi2 versions
    cpe:2.3:a:apache:kyuubi:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:apache:kyuubi:*:*:*:*:*:*:*:*range: >=1.8.0,<1.12.0
    • (no CPE)range: from 1.8.0 before 1.12.0

Patches

Vulnerability mechanics

References

3

News mentions

0

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