{"id":"CVE-2026-119979","aliases":[],"cve":{"records":[{"id":"CVE-2026-119979","source":"VulnCheck","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-10-30T17:45:34.401Z","published":"2026-10-30T17:48:43.705Z","modified":"2026-10-30T18:34:20.363Z"}],"publishers":[{"name":"VulnCheck","role":"CNA","organizationId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","modified":"2026-10-30T17:48:43.705Z"},{"name":"CISA-ADP","role":"ADP","organizationId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","modified":"2026-10-30T18:34:20.363Z"}],"references":[{"url":"https://lmstudio.ai/changelog/lmstudio-v0.4.22","tags":["release-notes"],"source":"VulnCheck"},{"url":"https://www.vulncheck.com/advisories/lm-studio-before-0.4.22-1-path-traversal-via-model-downloader","tags":["third-party-advisory"],"source":"VulnCheck"}],"weaknesses":[{"id":"CWE-22","description":"Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')","source":"VulnCheck"}],"applicability":[],"prioritization":[{"source":"CISA-ADP","type":"SSVC","role":"CISA Coordinator","timestamp":"2026-10-30T18:28:34.449959Z","decisions":[{"name":"Exploitation","value":"none"},{"name":"Automatable","value":"yes"},{"name":"Technical Impact","value":"total"}]}]},"title":"LM Studio before 0.4.22+1 Path Traversal via Model Downloader","titleSource":"VulnCheck","descriptionSource":"VulnCheck","description":"LM Studio before 0.4.22+1 contains a path traversal vulnerability in the model downloader's resolveDownloadRequest that allows attackers to write files outside the models directory using backslash-separated traversal filenames. Attackers can trick users into downloading a crafted model repository that plants a plugin manifest.json, install-state.json and mcp-bridge-config.json, running an attacker-supplied Python payload on every launch.","score":8.8,"severity":"high","published":"2026-10-30T17:48:43.705Z","modified":"2026-10-30T18:34:20.363Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"Element Labs","name":"LM Studio","platforms":[],"versions":[{"version":"0","status":"affected","lessThan":"0.4.22+1","versionType":"custom"}],"defaultStatus":"unaffected","cpes":[],"source":"VulnCheck","url":"https://www.cve.org/CVERecord?id=CVE-2026-119979"}],"remediation":[],"references":["https://lmstudio.ai/changelog/lmstudio-v0.4.22","https://www.vulncheck.com/advisories/lm-studio-before-0.4.22-1-path-traversal-via-model-downloader"],"sources":[{"name":"CVE","id":"CVE-2026-119979","modified":"2026-10-30T18:34:20.363Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-119979"}],"assessments":[{"source":"VulnCheck","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","score":8.7},{"source":"VulnCheck","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","score":8.8}],"sourceAffected":[],"observedAt":"2026-10-30T18:59:17.584Z","kev":{"status":"not-listed","checkedAt":"2026-10-31T09:10:30.844Z"},"coverage":[{"source":"NVD","status":"available","checkedAt":"2026-10-30T18:40:34.085Z","attemptedAt":"2026-10-30T18:40:34.085Z"},{"source":"GHSA","status":"available","checkedAt":"2026-10-30T18:40:33.823Z","attemptedAt":"2026-10-30T18:40:33.823Z"},{"source":"EUVD","status":"no-result","checkedAt":"2026-10-30T18:40:33.250Z","attemptedAt":"2026-10-30T18:40:33.250Z"},{"source":"EPSS","status":"no-result","checkedAt":"2026-10-30T18:40:33.702Z","attemptedAt":"2026-10-30T18:40:33.702Z"}],"evidence":[{"source":"GitHub Advisory Database","id":"GHSA-fv7x-c662-7ccq","url":"https://github.com/advisories/GHSA-fv7x-c662-7ccq","modified":"2026-10-30T18:32:47Z","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","checkedAt":"2026-10-30T18:40:33.823Z"},{"source":"NVD","id":"CVE-2026-119979","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-119979","modified":"2026-10-30T18:17:27.760","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/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/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","checkedAt":"2026-10-30T18:40:34.085Z"},{"source":"NVD","id":"CVE-2026-119979","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-119979","modified":"2026-10-30T18:17:27.760","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","checkedAt":"2026-10-30T18:40:34.085Z"}],"aiSummary":null}