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CVE-2026-70374

HIGH CVSS: 8.8 Published: 2026-08-05 Modified: 2026-08-10

Description

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 Platforms

Unknown

Weakness Type

CWE-78

References