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TI-2026-37809 Aliases CVE-2026-52680GHSA-h9qj-gx4p-69cp

Apache Kyuubi: REST batch multipart upload path traversal allows controlled file write

Priority MEDIUM 51CWE-22Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.

Summary

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 endpoint can provide path traversal sequences in the filename and cause the Kyuubi server process to write controlled content outside the intended upload directory, subject to filesystem permissions. This issue affects Apache Kyuubi: from 1.7.0 through 1.11.1. Users are recommended to upgrade to version 1.12.0, which fixes the issue.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0111 66th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
ApacheApache Kyuubi1.7.0 – 1.11.1—No fix listedCNA
  • Apache Kyuubi VendorApache Affected 1.7.0 – 1.11.1 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:apache:kyuubi:*:*:*:*:*:*:*:*1.7.0 to before 1.12.0VulnerableApache
  • cpe:2.3:a:apache:kyuubi:*:*:*:*:*:*:*:* Versions 1.7.0 to before 1.12.0 Vulnerable ·Apache

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-52680
  2. 2026-10-03 Alias added: GHSA-h9qj-gx4p-69cp

References

Advisory 2

  • TI-2026-19260 Apache Kyuubi: Unrestricted access via Kyuubi engine-ui proxy CVSS 3.1HIGH 7.3
  • TI-2025-40939 Apache Kyuubi: Unauthorized directory access due to missing path normalization CVSS 4.0HIGH 8.8
  • TI-2026-44530 Apache Kyuubi: kyuubi.session.local.dir.allow.list bypass via unprefixed Spark file-conf aliases CVSS 3.1HIGH 8.1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences