Critical 9.8Published Mar 25, 2026

CVE-2026-26833thumbler 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…

Updated under an hour ago (2026-10-19 07:20 UTC)

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No exploitation reported and no EPSS estimate yet.

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Every CVE for mmahrous thumbler

Exploited in the last 30 days

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.

CVSS: 9.8 CRITICAL (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-78, CWE-94
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Analyzed
Record last updated: Jun 17, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

mmahrous thumbler mmahrous:thumbler	through 1.1.2	NVD

References

https://github.com/mmahrous/thumblerproduct
https://github.com/mmahrous/thumbler/blob/master/lib/thumbler.jsnot-applicable
https://github.com/zebbernCVE/CVE-2026-26833exploit, vendor-advisory
https://www.npmjs.com/package/thumblerproduct

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.