CVE-2026-118684

medium

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…

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.

CVSS

5.9

5.9 (CVSS v3.1)

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Severity source: NVD CVSS v3.1 (disclosure@vulncheck.com)

Timeline (UTC)

Published: 2026-10-28 19:17

Modified: 2026-10-28 19:17

NVD status: Deferred

Last synced 1 day ago

Verified against the source API 2026-10-28 19:26 UTC

Exploitation

Not listed in CISA KEV (as of last catalog sync)

Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).

Affected products

Not reported by the source (unknown — not "none").

Weakness classification (CWE)

CWE-327

Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.

Mitigation & advisories

No vendor advisory or patch reference tagged by NVD. Check the references below.

References

https://github.com/Project-MONAI/MONAI/security/advisories/GHSA-hhh4-h52m-fqh6 disclosure@vulncheck.com
https://www.vulncheck.com/advisories/monai-before-1.6.1-missing-integrity-verification-via... disclosure@vulncheck.com

Data sources

NVD CVE API 2.0 — fetched 2026-10-28 19:26 UTC · record ↗

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