high8.8
CVE-2026-70374
HashBrown CMS through 1.4.6 contains an OS Command Injection vulnerability (CWE-78) in the media upload thumbnail generation routine.
Impact
HashBrown CMS through 1.4.6 contains an OS Command Injection vulnerability (CWE-78) in the media upload thumbnail generation routine. Media.generateThumbnail in src/Server/Entity/Resource/Media.js builds a temporary file path as 'thumbnail' + Path.extname(filename) and passes it, unescaped, into a shell command executed via AppService.exec ('convert ' + tempFile + ...).
Affected products
| Product | Affected versions |
|---|---|
| HashBrown CMS | through 1.4.6 |
Versions were read from the advisory text. No structured product data has been published for this record yet.