critical9.8
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 concatenate…
Impact
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 packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| npm | thumbler | <= 1.1.2 | none recorded |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Mmahrous | Thumbler | through 1.1.2 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/advisories/GHSA-mvhf-547c-h55r
- https://nvd.nist.gov/vuln/detail/CVE-2026-26833
- https://github.com/mmahrous/thumbler
- https://github.com/mmahrous/thumbler/blob/master/lib/thumbler.js
- https://github.com/zebbernCVE/CVE-2026-26833
- https://www.npmjs.com/package/thumbler