CVE-2026-52680

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.

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
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

Configurations

Configuration 1 (hide)

cpe:2.3:a:apache:kyuubi:*:*:*:*:*:*:*:*

History

05 Aug 2026, 17:22

Type	Values Removed	Values Added
CPE		cpe:2.3:a:apache:kyuubi::::::::
First Time		Apache Apache kyuubi
References	~~() https://lists.apache.org/thread/b0qx2v8k5v4rrqsh53pb146t7so0lmrk -~~	() https://lists.apache.org/thread/b0qx2v8k5v4rrqsh53pb146t7so0lmrk - Mailing List, Vendor Advisory
References	~~() http://www.openwall.com/lists/oss-security/2026/07/30/5 -~~	() http://www.openwall.com/lists/oss-security/2026/07/30/5 - Mailing List, Third Party Advisory

31 Jul 2026, 18:17

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 9.8

30 Jul 2026, 17:16

Type	Values Removed	Values Added
References		() http://www.openwall.com/lists/oss-security/2026/07/30/5 -

30 Jul 2026, 16:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-07-30 16:17

Updated : 2026-08-05 17:22

NVD link : CVE-2026-52680

Mitre link : CVE-2026-52680

CVE.ORG link : CVE-2026-52680

JSON object : View

Products Affected

apache

kyuubi

CWE

CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CWE-73

External Control of File Name or Path

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