CVE-2026-100840

MONAI through 1.6.0 contains a remote code execution vulnerability in the bundle configuration engine that resolves _target_ values to arbitrary importable callables without an allow list and passes $ expressions to Python eval(). Attackers can publish a malicious bundle with crafted configuration containing arbitrary code that executes when a victim loads the bundle using monai.bundle.load() or monai.bundle.run().

CVSS 4.0

8.5CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS 3.1

7.8CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS

0.3% chance of exploitation in the next 30 days; higher than 23% of CVEs (scores of 2026-10-25)

CWE

CWE-95

Published

2026-09-27

Modified

2026-09-30

Record from

the NVD, synced 2026-10-19

Affected

• project-monai:monai

Packages (OSV)

References

• https://github.com/Project-MONAI/MONAI/security/advisories/GHSA-873f-pvrv-4x83
• https://www.vulncheck.com/advisories/monai-through-1.6.0-remote-code-execution-via-bundle-configuration
• https://github.com/Project-MONAI/MONAI/security/advisories/GHSA-873f-pvrv-4x83

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