{"id":"CVE-2026-108546","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-108546","generatedAt":"2026-10-28T02:58:06.434Z","title":"Spotweb through 1.5.8 contains an OS command injection vulnerability in the runcommand NZB handler that allows remote attackers to execute commands by publishing spots with malicious titles.","description":"Spotweb through 1.5.8 contains an OS command injection vulnerability in the runcommand NZB handler that allows remote attackers to execute commands by publishing spots with malicious titles. Attackers can post self-signed spots over Usenet with shell metacharacters in the title, which are substituted unescaped for $SPOTTITLE and passed to exec() when a user downloads the spot, running commands as the Spotweb PHP process.","published":"2026-10-10T15:16:58.000Z","lastModified":"2026-10-16T19:21:14.000Z","status":"Deferred","sourceIdentifier":"disclosure@vulncheck.com","cvss":{"version":"4.0","score":7.7,"severity":"HIGH","vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/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/M"},"cwe":["CWE-78"],"affected":[],"epss":{"score":0.00803,"percentile":0.56424,"date":"2026-10-26","history":[{"date":"2026-10-11","score":0.00803,"percentile":0.55466}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.80%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-10T15:16:58.000Z","detail":{"score":"7.7","severity":"HIGH","publishedAt":"2026-10-10T15:16:57.573Z"},"summary":"New CVE, high severity (CVSS 7.7)."}],"references":[{"url":"https://github.com/spotweb/spotweb","source":"disclosure@vulncheck.com"},{"url":"https://github.com/spotweb/spotweb/blob/1.5.8/lib/services/NzbHandler/Services_NzbHandler_Runcommand.php#L41-L45","source":"disclosure@vulncheck.com"},{"url":"https://hackmd.io/@haind/spotweb-runcommand-title-injection","source":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/spotweb-through-1.5.8-os-command-injection-via-spot-title-in-runcommand-integration","source":"disclosure@vulncheck.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-108546","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}