CVE-2026-26833

CRITICAL

thumbler <=1.1.2 - Command Injection

Title source: llm
STIX 2.1

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.

Scores

CVSS v3 9.8
EPSS 0.0042
EPSS Percentile 61.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact total

Details

CWE
CWE-78 CWE-94
Status published
Products (2)
mmahrous/thumbler < 1.1.2
npm/thumbler 0npm
Published Mar 25, 2026
Tracked Since Mar 25, 2026