--- title: "CVE-2026-100844: MONAI - Command Injection" description: "MONAI before 1.6.0 contains a command injection caused by unquoted user-controlled values from YAML config and CLI arguments in nnUNetV2Runner, letting attackers execute arbitrary OS commands, exploit requires loading crafted config file." url: https://panop.io/threat-heartbeat/CVE-2026-100844/ --- # CVE-2026-100844 MONAI - Command Injection MONAI before 1.6.0 contains a command injection caused by unquoted user-controlled values from YAML config and CLI arguments in nnUNetV2Runner, letting attackers execute arbitrary OS commands, exploit requires loading crafted config file. CVSS base score 8.4 /10 High CISA KEV Not listed Public exploit Proof of concept available Authentication Not required EPSS 0.77% chance of exploitation in 30 days [View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-100844) ## Details Type Command Injection Impact Remote Code Execution CVSS vector CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Published 27 September 2026 Updated 15 October 2026 Weakness [CWE-78](https://cwe.mitre.org/data/definitions/78.html) ## Vendor fix Update to version 1.6.0 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-2026-100844](https://nvd.nist.gov/vuln/detail/CVE-2026-100844) - [https://github.com/Project-MONAI/MONAI/security/advisories/GHSA-rghg-q7wp-9767](https://github.com/Project-MONAI/MONAI/security/advisories/GHSA-rghg-q7wp-9767) - [https://www.vulncheck.com/advisories/monai-before-1.6.0-os-command-injection-via-dataset-name-or-id](https://www.vulncheck.com/advisories/monai-before-1.6.0-os-command-injection-via-dataset-name-or-id) [← All CVEs](https://panop.io/threat-heartbeat/) ## 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. [Book a demo](https://panop.io/demo)