CVE-2026-70374
HashBrown CMS - OS Command Injection in Media Upload Thumbnail Generation
- State
- Published
- Severity
- 8.8 High
- Published
- Aug 5, 2026
- Updated
- Aug 10, 2026
- Reserved
- Aug 4, 2026
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 + ...).
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 8.8 High | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | TuranSec |
Weaknesses
- CWE-78 OS Command Injection
Affected Products
| Product | Versions |
|---|---|
hashbrown-cmsHashBrownCMS |
|
References
- https://github.com/HashBrownCMS/hashbrown-cmsthird-party-advisory
- https://cve.turansec.uz/advisories/TRN-11FC0D88third-party-advisory
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