CVE-2026-44615

Path traversal vulnerability in Apache Zeppelin. When FileSystemNotebookRepo is configured, an authenticated attacker with permission to rename a note, or access to folder operations, could supply traversal segments in note or folder paths.                   Zeppelin composed these values into filesystem paths using the server's filesystem or Hadoop identity without ensuring that the result remained under the configured notebook directory. This could allow notebook files or directories to be moved,                   written, or deleted outside the notebook root. This issue affects Apache Zeppelin versions 0.9.0 through 0.12.0. Users are recommended to upgrade to version 0.12.1, which fixes this issue.

• CWE-22

• https://github.com/apache/zeppelin/pull/5227Issue Tracking, Patch
• https://github.com/apache/zeppelin/pull/5248Issue Tracking, Patch
• https://lists.apache.org/thread/ps1f0symnyxzq8c2dc3244v051jcwp40Mailing List, Vendor Advisory
• http://www.openwall.com/lists/oss-security/2026/07/30/2Mailing List, Third Party Advisory

Published

Jul 31, 2026

Last Modified

Aug 10, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
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