CVE-2026-26833

PoC —

CVSS 3.1

9.8 critical

EPSS

2%p82

Published

Mar 25, 2026 (Mar 25, 2026)

Modified

Jun 17, 2026

Description

thumbler through 1.1.2 allows OS command injection via the input, output, time, or size parameter in the thumbnail() function because user input is concatenated into a shell command string passed to child_process.exec() without proper sanitization or escaping.

Vendors: mmahrous
Products: thumbler
Weakness: CWE-78, CWE-94
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (2.3%)

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