Apache Kyuubi vulnerabilities

4 CVEs affecting Apache Kyuubi, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2026-62391, published 2026-07-31.

Highest priority

Known exploited (CISA KEV) first, then by EPSS exploit probability.

CVE-2026-52680, published 2026-07-30. Critical severity, CVSS 9.8. EPSS: 1.1% chance of exploitation in the next 30 days. Apache Kyuubi REST batch multipart upload handling uses the client-supplied multipart filename when creating a temporary uploaded resource. A remote attacker who can access the REST batch upload…
CVE-2025-66518, published 2026-01-05. High severity, CVSS 8.8. EPSS: 1% chance of exploitation in the next 30 days. Any client who can access to Apache Kyuubi Server via Kyuubi frontend protocols can bypass server-side config kyuubi.session.local.dir.allow.list and use local files which are not listed in the…
CVE-2026-23904, published 2026-07-29. High severity, CVSS 7.3. EPSS: 0.9% chance of exploitation in the next 30 days. 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…
CVE-2026-62391, published 2026-07-31. High severity, CVSS 8.1. EPSS: 0.8% chance of exploitation in the next 30 days. The security fix for CVE-2025-66518 is incomplete. Any client who can access to Apache Kyuubi Server via Kyuubi frontend protocols can bypass server-side config kyuubi.session.local.dir.allowlist via…