CVE-2026-118684
MONAI before 1.6.1 Missing Integrity Verification via check_hash in Downloads
CVSS Score
5.9
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-327 |
| Vendor | project-monai |
| Product | monai |
| Published | Oct 28, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None
Affected Versions
Project-MONAI / MONAI
0 < 1.6.1