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CVE

CVE-2026-52680

Apache Kyuubi: REST batch multipart upload path traversal allows controlled file write
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CVE

CVE-2026-52680

Apache Kyuubi: REST batch multipart upload path traversal allows controlled file write

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.

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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.

Package Versions Affected

Package Version
patch Availability
No items found.

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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
9.8
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
C
H
U
0
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
C
H
U
-

Related Resources

No items found.

References

http://www.openwall.com/lists/oss-security/2026/07/30/5, https://repo.maven.apache.org/maven2, https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/52xxx/CVE-2026-52680.json, https://lists.apache.org/thread/b0qx2v8k5v4rrqsh53pb146t7so0lmrk, https://nvd.nist.gov/vuln/detail/CVE-2026-52680

Severity

9.8

CVSS Score
0
10

Basic Information

Base CVSS
9.8
EPSS Probability
0.00832%
EPSS Percentile
0.54949%
Introduced Version
2115839104dacd92e8050a069f1beaf6317fa26d
Fix Available
bca17a7b5cfa0d32440832f5611f922164644943

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