---
title: "CVE-2026-100842: MONAI - Command Injection"
description: "MONAI through 1.6.0 contains a command injection caused by improper validation of shape expressions in _get_fake_spatial_shape() allowing eval sandbox escape via object introspection, letting attackers achieve code execution by influencing bundle metadata, exploit requires attacker control over bundle metadata."
url: https://panop.io/threat-heartbeat/CVE-2026-100842/
---

# CVE-2026-100842 MONAI - Command Injection

MONAI through 1.6.0 contains a command injection caused by improper validation of shape expressions in \_get\_fake\_spatial\_shape() allowing eval sandbox escape via object introspection, letting attackers achieve code execution by influencing bundle metadata, exploit requires attacker control over bundle metadata.

CVSS base score 7.0 /10

High

CISA KEV

Not listed

Public exploit

Proof of concept available

EPSS

0.15% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-100842)

## Details

Type

Command Injection

Impact

Remote Code Execution

CVSS vector

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

Published

27 September 2026

Updated

15 October 2026

Weakness

[CWE-95](https://cwe.mitre.org/data/definitions/95.html)

## Vendor fix

Update to the latest version beyond 1.6.0.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-100842](https://nvd.nist.gov/vuln/detail/CVE-2026-100842)
- [https://github.com/Project-MONAI/MONAI/security/advisories/GHSA-h89g-r5pc-wxfm](https://github.com/Project-MONAI/MONAI/security/advisories/GHSA-h89g-r5pc-wxfm)
- [https://www.vulncheck.com/advisories/monai-through-1.6.0-get-fake-spatial-shape-eval-sandbox-bypass-via-attribute-chains](https://www.vulncheck.com/advisories/monai-through-1.6.0-get-fake-spatial-shape-eval-sandbox-bypass-via-attribute-chains)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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