CVE-2026-26833: 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…

PriorityP262critical9.8CVSS 3.1

AVNACLPRNUINSUCHIHAH

EPSS

2.31%

81.2th percentile

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.

Affected

2 ranges

Vendor	Product	Version range	Fixed in
mmahrous	thumbler	<= 1.1.2	—
mmahrous	thumbler	0 – 1.1.2	—

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