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CVE-2026-26833

CRITICAL

9.8

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.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published3/25/2026

Last Modified3/30/2026

Sourcenvd

Honeypot Sightings0

Affected Products

mmahrous:thumbler

Weaknesses (CWE)

CWE-78CWE-94

References

https://github.com/mmahrous/thumbler(cve@mitre.org)

https://github.com/mmahrous/thumbler/blob/master/lib/thumbler.js(cve@mitre.org)

https://github.com/zebbernCVE/CVE-2026-26833(cve@mitre.org)

https://www.npmjs.com/package/thumbler(cve@mitre.org)

IOC Correlations

No correlations recorded

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