CVE-2026-26833

State: Published
Severity: 9.8 Critical
Published: Mar 25, 2026
Updated: Mar 28, 2026
Reserved: Feb 16, 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.

Scores

CVSS	Score	Vector	Source
3.1	9.8 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	CISA-ADP

Weaknesses

CWE-94 Improper Control of Generation of Code ('Code Injection')

Affected Products

Product	Versions
n/an/a	n/aAffected

References

https://github.com/mmahrous/thumbler
https://www.npmjs.com/package/thumbler
https://github.com/mmahrous/thumbler/blob/master/lib/thumbler.js
https://github.com/zebbernCVE/CVE-2026-26833

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