Critical severity9.8NVD Advisory· Published Jul 30, 2026· Updated Aug 5, 2026
CVE-2026-52680
CVE-2026-52680
Description
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.
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Affected products
2Patches
Vulnerability mechanics
References
2- www.openwall.com/lists/oss-security/2026/07/30/5nvdMailing ListThird Party Advisory
- lists.apache.org/thread/b0qx2v8k5v4rrqsh53pb146t7so0lmrknvdMailing ListVendor Advisory
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