{"cve":"CVE-2026-26833","nvd":{"published":"2026-03-25T16:16:21.390","modified":"2026-06-17T10:26:21.793","status":"Analyzed","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-78","CWE-94"],"references":["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"],"products":["mmahrous:thumbler"],"source":"nvd","synced_at":"2026-10-19T22:28:18.033120106+00:00"},"epss":{"cve":"CVE-2026-26833","score":0.02398,"percentile":0.84019,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-mvhf-547c-h55r","url":"https://osv.dev/vulnerability/GHSA-mvhf-547c-h55r","summary":"thumbler allows OS Command Injection","modified":"2026-03-31T23:41:22.881450Z","packages":[{"ecosystem":"npm","name":"thumbler","purl":"pkg:npm/thumbler","ranges":["<=1.1.2"],"fixed":[]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}