---
title: "CVE-2026-100840: MONAI - Remote Code Execution"
description: "MONAI through 1.6.0 contains a remote code execution caused by unsafe resolution of _target_ values and evaluation of $ expressions in the bundle configuration engine, letting attackers execute arbitrary code when victims load malicious bundles."
url: https://panop.io/threat-heartbeat/CVE-2026-100840/
---

# CVE-2026-100840 MONAI - Remote Code Execution

MONAI through 1.6.0 contains a remote code execution caused by unsafe resolution of \_target\_ values and evaluation of $ expressions in the bundle configuration engine, letting attackers execute arbitrary code when victims load malicious bundles.

CVSS base score 7.8 /10

High

CISA KEV

Not listed

Public exploit

Proof of concept available

Authentication

Not required

EPSS

0.21% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-100840)

## Details

Type

Remote Code Execution

Impact

Remote Code Execution

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/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 that fixes this issue.

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-2026-100840](https://nvd.nist.gov/vuln/detail/CVE-2026-100840)
- [https://github.com/Project-MONAI/MONAI/security/advisories/GHSA-873f-pvrv-4x83](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://www.vulncheck.com/advisories/monai-through-1.6.0-remote-code-execution-via-bundle-configuration)

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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

Panop answers these inside your environment, for this CVE and every other finding.

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