CWE-646
Reliance on File Name or Extension of Externally-Supplied File
Description
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.
Hierarchy (View 1000)
Parents
Children
none
Related attack patterns (CAPEC)
CAPEC-209
CVEs mapped to this weakness (10)
| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2025-1889 | Cri | 0.57 | 9.8 | 0.00 | Mar 3, 2025 | 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 include a malicious pickle file with a non-standard file extension. Because the malicious pickle file… | ||
| CVE-2026-45315 | Hig | 0.50 | 8.7 | 0.00 | May 15, 2026 | 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 from the user-supplied filename and saves the file under CACHE_DIR/audio/transcriptions/.. The… | ||
| CVE-2025-58449 | Hig | 0.50 | — | 0.00 | Sep 8, 2025 | 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 create a custom option on a listing with a file input field. By allowing file uploads with a… | ||
| CVE-2021-34639 | Hig | 0.49 | 7.5 | 0.01 | Aug 5, 2021 | 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 executable in some configurations. This issue affects: WordPress Download Manager version 3.1.24 and… | ||
| CVE-2024-52052 | Hig | 0.47 | 7.2 | 0.00 | Nov 21, 2024 | 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-privilege remote code execution. | ||
| CVE-2025-30662 | Med | 0.43 | 6.6 | 0.00 | Nov 13, 2025 | 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 authenticated user to conduct a disclosure of information via network access. | ||
| CVE-2024-38432 | Med | 0.36 | 5.5 | 0.00 | Jul 30, 2024 | Matrix Tafnit v8 - CWE-646: Reliance on File Name or Extension of Externally-Supplied File | ||
| CVE-2023-45599 | Med | 0.36 | 5.5 | 0.00 | Mar 5, 2024 | 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 attacker to upload any arbitrary type of file into the device. This issue affects: AiLux imx6… | ||
| CVE-2026-20172 | Med | 0.28 | 4.3 | 0.00 | May 6, 2026 | 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 vulnerability, the attacker must have valid credentials for a user account with at least the role of… | ||
| CVE-2025-41720 | — | Med | 0.28 | 4.3 | 0.00 | Oct 22, 2025 | 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. |
- risk 0.57cvss 9.8epss 0.00
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 include a malicious pickle file with a non-standard file extension. Because the malicious pickle file…
- risk 0.50cvss 8.7epss 0.00
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 from the user-supplied filename and saves the file under CACHE_DIR/audio/transcriptions/.. The…
- risk 0.50cvss —epss 0.00
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 create a custom option on a listing with a file input field. By allowing file uploads with a…
- risk 0.49cvss 7.5epss 0.01
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 executable in some configurations. This issue affects: WordPress Download Manager version 3.1.24 and…
- risk 0.47cvss 7.2epss 0.00
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-privilege remote code execution.
- risk 0.43cvss 6.6epss 0.00
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 authenticated user to conduct a disclosure of information via network access.
- risk 0.36cvss 5.5epss 0.00
Matrix Tafnit v8 - CWE-646: Reliance on File Name or Extension of Externally-Supplied File
- risk 0.36cvss 5.5epss 0.00
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 attacker to upload any arbitrary type of file into the device. This issue affects: AiLux imx6…
- risk 0.28cvss 4.3epss 0.00
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 vulnerability, the attacker must have valid credentials for a user account with at least the role of…
- risk 0.28cvss 4.3epss 0.00
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.