{"id":"CVE-2026-121548","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-121548","summary":"nnn through 5.3 OS Command Injection via togglex Plugin","details":"Jarun nnn through 5.3 contains an OS command injection vulnerability in plugins/togglex that allows attackers to execute commands via crafted filenames. Attackers can place files whose names contain a double quote and shell syntax, which xargs -I splices into an sh -c script, running commands as the user invoking togglex.","published":"2026-11-03T15:17:08.075Z","modified":"2026-11-05T07:58:17.725661835Z","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":{"url":"https://github.com/jarun/nnn/commit/04715921aece0257fef7a8558c0783493d98efff","label":"jarun/nnn@0471592"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/121xxx/CVE-2026-121548.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-121548"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/nnn-through-5.3-os-command-injection-via-togglex-plugin"},{"type":"REPORT","url":"https://github.com/jarun/nnn/issues/2188"},{"type":"FIX","url":"https://github.com/jarun/nnn/commit/04715921aece0257fef7a8558c0783493d98efff"},{"type":"PACKAGE","url":"https://github.com/jarun/nnn"},{"type":"ARTICLE","url":"https://github.com/jarun/nnn/blob/v5.3/plugins/togglex#L15"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-11-05T07:58:17.725661835Z"}}