CVE-2026-118684
Published:October 28, 2026
Updated:November 02, 2026
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.
Affected Packages
https://github.com/Project-MONAI/MONAI.git (GITHUB):
Affected version(s) >=0.2.0rc2 <1.6.1 || >=1.0.0 <1.6.1 || >=1.0.0rc1 <1.6.1Fix Suggestion:
Update to version 1.6.1monai (PYTHON):
Affected version(s) >=1.0.0 <1.6.1 || >=0.2.0 <1.6.1 || >=0.2.0rc2 <1.6.1 || >=1.0.0rc1 <1.6.1Fix Suggestion:
Update to version 1.6.1Related Resources (4)
Do you need more information?
Contact UsCVSS v4
Base Score:
8.2
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
PRESENT
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
HIGH
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.9
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Weakness Type (CWE)
Use of a Broken or Risky Cryptographic Algorithm
EPSS
Base Score:
0.18