Critical [CVE-2026-52680] Apache Kyuubi REST batch multipart upload handling uses the client-supplied multipart filename when creating a temporary uploaded resource
This critical-severity Apache Software Foundation advisory covers CVE-2026-52680 affecting Apache Kyuubi REST.
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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.
- 1.7.0 through 1.11.1.
- through 1.11.1
Official advisory · high-confidence parse· fetched 3 months ago·verify at source
- 1.12.0
Official advisory · high-confidence parse· fetched 3 months ago·verify at source
Mitigation checklist
- Users are recommended to upgrade to version 1.12.0, which fixes the issue.
Official advisory · high-confidence parse· fetched 3 months ago·verify at source
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