pdf-image (npm package) through version 2.0.0 allows OS command injection via the pdfFilePath parameter. The constructGetInfoCommand and constructConvertCommandForPage functions use util.format() to interpolate user-controlled file paths into shell command strings that are executed via child_process.exec()
https://github.com/zebbernCVE/npm-cve-2026-26830-26833
https://www.npmjs.com/package/pdf-image