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Tue, 29 Sep 2026 17:30:00 +0000
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ssvc
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Tue, 29 Sep 2026 15:30:00 +0000
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| Description | Werkzeug is a comprehensive WSGI web application library. Prior to 3.1.9, the safe_join function used by send_from_directory can allow a NUL: special-device path because safe_join checks the Windows device name without first removing an empty NTFS ADS marker. The trigger is that an application runs on Windows with NTFS and serves a user-specified path ending in a special device name such as NUL:. The attack mechanism is that a requested path ends in a Windows special device name with an empty ADS marker. The impact is that the special device opens successfully and the file read hangs indefinitely. This issue is fixed in version 3.1.9. | |
| Title | Werkzeug safe_join() allows Windows special device names | |
| Weaknesses | CWE-67 | |
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| Metrics |
cvssV4_0
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Projects
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Status: PUBLISHED
Assigner: GitHub_M
Published:
Updated: 2026-09-29T15:44:10.657Z
Reserved: 2026-09-29T14:18:02.920Z
Link: CVE-2026-102598
Updated: 2026-09-29T15:44:06.719Z
Status : Received
Published: 2026-09-29T16:17:06.010
Modified: 2026-09-29T16:17:06.010
Link: CVE-2026-102598
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OpenCVE Enrichment
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