The product allows a file to be uploaded, but it relies on the file name or extension of the file to determine the appropriate behaviors. This could be used by attackers to cause the file to be misclassified and processed in a dangerous fashion.
Volume of CVEs assigned to CWE-646 and their average CVSS base score over time.
Top CVEs that have been assigned this CWE. A single CVE can have multiple CWE assignments, though many have just one.
10 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
CVE-2026-45315HIGH Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.3, the audio transcription upload endpoint takes the file extension | May 15, 2026 | 8.7 | 33 | NO | NO |
CVE-2025-58449HIGH Maho is a free and open source ecommerce platform. In Maho prior to 25.9.0, an authenticated staff user with access to the `Dashboard` and `Catalog\Manage Products` permissions can | Sep 8, 2025 | 8.7 | 27 | NO | NO |
CVE-2021-34639HIGH Authenticated File Upload in WordPress Download Manager <= 3.1.24 allows authenticated (Author+) users to upload files with a double extension, e.g. "payload.php.png" which is exec | Aug 5, 2021 | 8.8 | 27 | NO | NO |
CVE-2025-1889CRITICAL picklescan before 0.0.22 only considers standard pickle file extensions in the scope for its vulnerability scan. An attacker could craft a malicious model that uses Pickle and incl | Mar 3, 2025 | 9.8 | 26 | NO | NO |
CVE-2024-38432CRITICAL Matrix Tafnit v8
-
CWE-646: Reliance on File Name or Extension of Externally-Supplied File | Jul 30, 2024 | 9.8 | 25 | NO | NO |
CVE-2026-20172MEDIUM A vulnerability in the Lite Agent feature of Cisco Enterprise Chat and Email (ECE) could allow an authenticated, remote attacker to conduct browser-based attacks. To exploit this v | May 6, 2026 | 4.3 | 22 | NO | NO |
CVE-2025-30662MEDIUM Symlink following in the installer for the Zoom Workplace VDI Plugin macOS Universal installer before version 6.3.14, 6.4.14, and 6.5.10 in their respective tracks may allow an aut | Nov 13, 2025 | 6.5 | 22 | NO | NO |
CVE-2024-52052HIGH Wowza Streaming Engine below 4.9.1 permits an authenticated Streaming Engine Manager administrator to define a custom application property and poison a stream target for high-privi | Nov 21, 2024 | 7.2 | 22 | NO | NO |
CVE-2023-45599HIGH A CWE-646 “Reliance on File Name or Extension of Externally-Supplied File” vulnerability in the “iec61850” functionality of the web application allows a remote authenticated attack | Mar 5, 2024 | 8.8 | 21 | NO | NO |
CVE-2025-41720MEDIUM A low privileged remote attacker can upload arbitrary data masked as a png file to the affected device using the webserver API because only the file extension is verified. | Oct 22, 2025 | 4.3 | 16 | NO | NO |
Exploit activity across CVEs assigned to this CWE, including CVEs that carry other CWE assignments.
Social posts that mention CVE IDs assigned to this CWE. This is assigned-CVE activity, not mentions of the CWE label itself.
Media articles that mention CVE IDs assigned to this CWE. This is assigned-CVE coverage, not mentions of the CWE label itself.