{"affected":[{"defaultStatus":"unaffected","product":"nnn","source":"CNA: VulnCheck","vendor":"jarun","versions":[{"lessThanOrEqual":"5.3","status":"affected","version":"0","versionType":"custom"}]}],"cveId":"CVE-2026-121548","cwes":["CWE-78"],"description":"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.","epss":null,"exploits":[{"kind":"exploit","source":"ADP: CISA-ADP","url":"https://github.com/jarun/nnn/issues/2188"}],"kev":null,"metrics":[{"score":8.4,"severity":"high","source":"CNA: VulnCheck","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0"},{"score":7.8,"severity":"high","source":"CNA: VulnCheck","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","version":"3.1"},{"score":8.4,"severity":"high","source":"NVD: disclosure@vulncheck.com","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","version":"4.0"},{"score":7.8,"severity":"high","source":"NVD: disclosure@vulncheck.com","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","version":"3.1"}],"modifiedAt":1793726290497,"publishedAt":1793719028075,"references":[{"source":"CNA: VulnCheck","tags":["issue-tracking"],"url":"https://github.com/jarun/nnn/issues/2188"},{"source":"CNA: VulnCheck","tags":["product"],"url":"https://github.com/jarun/nnn"},{"source":"CNA: VulnCheck","tags":["patch"],"url":"https://github.com/jarun/nnn/commit/04715921aece0257fef7a8558c0783493d98efff"},{"source":"CNA: VulnCheck","tags":["technical-description"],"url":"https://github.com/jarun/nnn/blob/v5.3/plugins/togglex#L15"},{"source":"CNA: VulnCheck","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/nnn-through-5.3-os-command-injection-via-togglex-plugin"},{"source":"ADP: CISA-ADP","tags":["exploit"],"url":"https://github.com/jarun/nnn/issues/2188"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://github.com/jarun/nnn"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://github.com/jarun/nnn/blob/v5.3/plugins/togglex#L15"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://github.com/jarun/nnn/commit/04715921aece0257fef7a8558c0783493d98efff"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://github.com/jarun/nnn/issues/2188"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://www.vulncheck.com/advisories/nnn-through-5.3-os-command-injection-via-togglex-plugin"},{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","tags":[],"url":"https://github.com/jarun/nnn/issues/2188"}],"remediation":[{"kind":"fix","source":"CNA: VulnCheck","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://github.com/jarun/nnn/commit/04715921aece0257fef7a8558c0783493d98efff"}],"revision":"ce58a462c9a3909ba733397bd54697f48748c32eb2ee3e88f84ba5bbca8ddeae","sources":[{"modifiedAt":1793724420917,"name":"CNA: VulnCheck","retrievedAt":1793725913147,"url":"https://www.cve.org/CVERecord?id=CVE-2026-121548"},{"modifiedAt":1793726290497,"name":"NVD","retrievedAt":1793730102214,"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-121548"}],"ssvc":{"assessedAt":1793724348239,"automatable":"no","exploitation":"poc","source":"ADP: CISA-ADP","technicalImpact":"total"},"status":"published","title":"nnn through 5.3 OS Command Injection via togglex Plugin","updatedAt":1793730102214}