CVE-2026-40491
Medium
Description
gdown is a Google Drive public file/folder downloader. Versions prior to 5.2.2 are vulnerable to a Path Traversal attack within the extractall functionality. When extracting a maliciously crafted ZIP or TAR archive, the library fails to sanitize or validate the filenames of the archive members. This allow files to be written outside the intended destination directory, potentially leading to arbitrary file overwrite and Remote Code Execution (RCE). Version 5.2.2 contains a fix.
SeverityMedium
CVSS6.5
Exploit probability—
ProductWkentaro Gdown
PublishedApr 18, 2026
First seenApr 18, 2026
Weakness typeCWE-22Path traversal
How to fix
Update
- wkentaro gdown5.2.2 or later
- gdown5.2.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| wkentaro gdown | v < 5.2.2 | 5.2.2 |
| gdownPyPI | v < 5.2.2 | 5.2.2 |
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