CVE-2026-70374CWE-78command-injection

CVE-2026-70374

High · published August 5, 2026

CVSS v3.1
8.8
EPSS
2%
Percentile
79.2
In the wild
Unconfirmed
What it is

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 + ...).

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01868 · 79.2th percentile
Weakness
CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2026-08-05T11:16Z
References (2)
https://cve.turansec.uz/advisories/TRN-11FC0D88 · 309f9ea4-e3e9-4c6c-b79d-e8eb01244f2chttps://github.com/HashBrownCMS/hashbrown-cms · 309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c
EPSS history
Timeline
  • 05 AUG 05:46Z
    HashBrown CMS - OS Command Injection in Media Upload Thumbnail Generation
    cvelistv5