{"id":"CVE-2026-26833","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-26833","summary":"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…","details":"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.","published":"2026-03-25T16:16:21.390","modified":"2026-06-17T10:26:21.793","cvss":{"score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://github.com/mmahrous/thumbler"},{"type":"WEB","url":"https://github.com/mmahrous/thumbler/blob/master/lib/thumbler.js"},{"type":"EXPLOIT","url":"https://github.com/zebbernCVE/CVE-2026-26833"},{"type":"WEB","url":"https://www.npmjs.com/package/thumbler"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-06-17T10:26:21.793"}}