{"id":"CVE-2026-118684","aliases":[],"cve":{"records":[{"id":"CVE-2026-118684","source":"VulnCheck","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-10-28T17:28:46.442Z","published":"2026-10-28T18:59:54.186Z","modified":"2026-11-04T20:24:19.576Z"}],"publishers":[{"name":"VulnCheck","role":"CNA","organizationId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","modified":"2026-10-28T18:59:54.186Z"},{"name":"CISA-ADP","role":"ADP","organizationId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","modified":"2026-11-04T20:24:19.576Z"}],"references":[{"url":"https://github.com/Project-MONAI/MONAI/security/advisories/GHSA-hhh4-h52m-fqh6","tags":["vendor-advisory"],"source":"VulnCheck"},{"url":"https://www.vulncheck.com/advisories/monai-before-1.6.1-missing-integrity-verification-via-check-hash-in-downloads","tags":["third-party-advisory"],"source":"VulnCheck"},{"url":"https://github.com/Project-MONAI/MONAI/security/advisories/GHSA-hhh4-h52m-fqh6","tags":["exploit"],"source":"CISA-ADP"}],"weaknesses":[{"id":"CWE-327","description":"Use of a Broken or Risky Cryptographic Algorithm","source":"VulnCheck"}],"applicability":[{"source":"VulnCheck","statements":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:project-monai:monai:*:*:*:*:*:*:*:*","versionEndExcluding":"1.6.1"}]}]}]}],"prioritization":[{"source":"CISA-ADP","type":"SSVC","role":"CISA Coordinator","timestamp":"2026-11-04T20:24:12.782663Z","decisions":[{"name":"Exploitation","value":"poc"},{"name":"Automatable","value":"no"},{"name":"Technical Impact","value":"partial"}]}]},"title":"MONAI before 1.6.1 Missing Integrity Verification via check_hash in Downloads","titleSource":"VulnCheck","descriptionSource":"VulnCheck","description":"MONAI before 1.6.1 contains an insufficient integrity verification vulnerability in check_hash() that silently returns True when hash_val is None, with MD5 as the default hash type. Attackers performing man-in-the-middle or registry compromise can substitute bundles, datasets, or model archives downloaded without hashes, enabling malicious file delivery and potential code execution.","score":8.2,"severity":"high","published":"2026-10-28T18:59:54.186Z","modified":"2026-11-04T20:24:19.576Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"Project-MONAI","name":"MONAI","platforms":[],"versions":[{"version":"0","status":"affected","lessThan":"1.6.1","versionType":"semver"},{"version":"1.6.1","status":"unaffected","versionType":"semver"}],"defaultStatus":"unaffected","packageURL":"pkg:pypi/monai","packageIdentity":{"ecosystem":"PyPI","name":"monai"},"cpes":[],"source":"VulnCheck","url":"https://www.cve.org/CVERecord?id=CVE-2026-118684"}],"remediation":[],"references":["https://github.com/Project-MONAI/MONAI/security/advisories/GHSA-hhh4-h52m-fqh6","https://www.vulncheck.com/advisories/monai-before-1.6.1-missing-integrity-verification-via-check-hash-in-downloads"],"sources":[{"name":"CVE","id":"CVE-2026-118684","modified":"2026-11-04T20:24:19.576Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-118684"}],"assessments":[{"source":"VulnCheck","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","score":8.2},{"source":"VulnCheck","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N","score":5.9}],"sourceAffected":[],"observedAt":"2026-11-04T21:11:53.509Z","kev":{"status":"not-listed","checkedAt":"2026-11-15T03:35:31.150Z"},"coverage":[{"source":"NVD","status":"available","checkedAt":"2026-11-05T10:35:34.035Z","attemptedAt":"2026-11-05T10:35:34.035Z"},{"source":"GHSA","status":"available","checkedAt":"2026-11-05T10:40:35.723Z","attemptedAt":"2026-11-05T10:40:35.723Z"},{"source":"EUVD","status":"available","checkedAt":"2026-11-05T10:40:35.736Z","attemptedAt":"2026-11-05T10:40:35.736Z"},{"source":"EPSS","status":"available","checkedAt":"2026-11-05T10:35:33.622Z","attemptedAt":"2026-11-05T10:35:33.622Z"}],"evidence":[{"source":"FIRST EPSS","id":"CVE-2026-118684","url":"https://www.first.org/epss/","probability":0.00185,"percentile":0.08146,"date":"2026-11-04","checkedAt":"2026-11-05T10:35:33.622Z"},{"source":"NVD","id":"CVE-2026-118684","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-118684","modified":"2026-11-04T21:17:55.817","score":8.2,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/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":"2026-11-05T10:35:34.035Z"},{"source":"NVD","id":"CVE-2026-118684","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-118684","modified":"2026-11-04T21:17:55.817","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N","checkedAt":"2026-11-05T10:35:34.035Z"},{"source":"GitHub Advisory Database","id":"GHSA-59gw-w64r-2mg7","url":"https://github.com/advisories/GHSA-59gw-w64r-2mg7","modified":"2026-10-28T21:31:25Z","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N","checkedAt":"2026-11-05T10:40:35.723Z"},{"source":"ENISA EUVD","id":"EUVD-2026-112389","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-112389","modified":"Nov 4, 2026, 8:24:19 PM","score":8.2,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","checkedAt":"2026-11-05T10:40:35.736Z"}],"aiSummary":{"text":"MONAI before 1.6.1 has an insufficient integrity verification vulnerability, allowing attackers with man-in-the-middle or registry access to deliver malicious files. The check_hash function silently returns True when hash_val is None. This may enable malicious file delivery and potential code execution.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-10-30T09:54:55.111Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-118684"}]}}