Vulnerability 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 Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Project-Monai | Monai | <= 1.6.0 |
Related Weaknesses (CWE)
References
- https://github.com/Project-MONAI/MONAI/security/advisories/GHSA-873f-pvrv-4x83ExploitMitigationVendor Advisory
- https://www.vulncheck.com/advisories/monai-through-1.6.0-remote-code-execution-vThird Party Advisory
- https://github.com/Project-MONAI/MONAI/security/advisories/GHSA-873f-pvrv-4x83ExploitMitigationVendor Advisory
FAQ
What is CVE-2026-100840?
CVE-2026-100840 is a vulnerability with a CVSS score of 7.8 (HIGH). 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 $...
How severe is CVE-2026-100840?
CVE-2026-100840 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-100840?
Check the references section above for vendor advisories and patch information. Affected products include: Project-Monai Monai.