CVE-2026-118684

CVSS 8.2 (high) · published 2026-10-28

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.

Weakness: CWE-327

Source: NVD CVE-2026-118684

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
• https://github.com/Project-MONAI/MONAI/security/advisories/GHSA-hhh4-h52m-fqh6

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