---
title: "CVE-2026-119578: MONAI - Remote Code Execution"
description: "MONAI 1.6.0 before 1.6.1 contains a remote code execution caused by unsafe deserialization in Auto3DSeg algo_from_json(), letting attackers execute arbitrary Python code via crafted algo_object.json, exploit requires victim to call AutoRunner or import_bundle_algo_history."
url: https://panop.io/threat-heartbeat/CVE-2026-119578/
---

# CVE-2026-119578 MONAI - Remote Code Execution

MONAI 1.6.0 before 1.6.1 contains a remote code execution caused by unsafe deserialization in Auto3DSeg algo\_from\_json(), letting attackers execute arbitrary Python code via crafted algo\_object.json, exploit requires victim to call AutoRunner or import\_bundle\_algo\_history.

CVSS base score 7.8 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.55% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-119578)

## 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

30 October 2026

Updated

1 November 2026

Weakness

[CWE-470](https://cwe.mitre.org/data/definitions/470.html)

## Vendor fix

Upgrade to version 1.6.1 or later.

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-2026-119578](https://nvd.nist.gov/vuln/detail/CVE-2026-119578)
- [https://github.com/Project-MONAI/MONAI/security/advisories/GHSA-2wx3-8x3w-r8qv](https://github.com/Project-MONAI/MONAI/security/advisories/GHSA-2wx3-8x3w-r8qv)
- [https://www.vulncheck.com/advisories/monai-1.6.0-before-1.6.1-code-execution-via-auto3dseg-algo-from-json](https://www.vulncheck.com/advisories/monai-1.6.0-before-1.6.1-code-execution-via-auto3dseg-algo-from-json)

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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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