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Vulnerability record · CVE-2026-100840 · published 27 September 2026

CVE-2026-100840: MONAI through 1.6.0 contains a remote code execution vulnerability in the bundle configuration engine that res…

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().

8.5 CVSS 4.0 High CWE-95 · CWE-95 Received
8.5CVSS 4.0 base score
—EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
2References
27 Sep 2026Last modified by NVD

Description

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/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
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

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Source: NIST National Vulnerability Database (record CVE-2026-100840), CISA KEV, FIRST EPSS. This page is refreshed as NVD updates the record.