CVE-2026-52680
Apache Kyuubi: REST batch multipart upload path traversal allows controlled file write
- Published
- Jul 30, 2026
- Updated
- Jul 31, 2026
- Assigning CNA
- apache
- Evidence observed
- Aug 4, 2026
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HLow · next 30 days
- Percentile
- 55.6%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
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.
Sources
1- CVE-2026-52680_exploitExploit
Exploit for Apache Kyuubi path traversal (CVE-2026-52680) achieving unauthenticated arbitrary file write and code execution via profile.d shell scripts.
Responsible use
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