Critical severityNVD Advisory· Published Mar 25, 2026· Updated Mar 28, 2026

CVE-2026-26833

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected packages

Versions sourced from the GitHub Security Advisory.

Package	Affected versions	Patched versions
thumblernpm	<= 1.1.2	—

Affected products

thumbler/thumblerdescription
ghsa-coords
pkg:npm/thumbler
Range: <= 1.1.2

Patches

Vulnerability mechanics

References

github.com/advisories/GHSA-mvhf-547c-h55rghsaADVISORY
nvd.nist.gov/vuln/detail/CVE-2026-26833ghsaADVISORY
github.com/mmahrous/thumbler/blob/master/lib/thumbler.jsghsaWEB
www.npmjs.com/package/thumblerghsaWEB

News mentions

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