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.
Fix
Public exploits 1
- 0xdak/CVE-2026-52680_exploit PoC on GitHub
Each line links to the index that lists it, never to exploit code. Exploit-DB's "verified" and a Metasploit rank of good or better count as verified; a PoC-in-GitHub entry is a repository's claim.
Patch, vendor advisory and mitigation references on NVD 1
- https://lists.apache.org/thread/b0qx2v8k5v4rrqsh53pb146t7so0lmrk Mailing List, Vendor Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 9.8 · apacheNVD modified 2026-10-23 22:10
Affected (CPE criteria) 1
cpe:2.3:a:apache:kyuubi:*:*:*:*:*:*:*:*
References 2
- https://lists.apache.org/thread/b0qx2v8k5v4rrqsh53pb146t7so0lmrk Mailing List, Vendor Advisory
- http://www.openwall.com/lists/oss-security/2026/07/30/5 Mailing List, Third Party Advisory