CVE-2026-84452 - Windows ML CLI Remote Code Execution Vulnerability

CVE-2026-84452 - Windows ML CLI Remote Code Execution Vulnerability

https://cvefeed.io/rssfeed/latest.atom / Thu, 09/03/2026 - 04:29
CVE ID :CVE-2026-84452
Published : Sept. 2, 2026, 8:17 p.m. | 4 hours, 46 minutes ago
Description :Windows ML CLI is a command line tool for building portable, performant, and high-quality AI models for Windows ML. Prior to 0.4.0, the src/winml/modelkit/serve/cli_api.py component exposes WinML CLI commands through a localhost HTTP API without authentication and configures the allow_origins setting as a wildcard in both src/winml/modelkit/serve/cli_api.py and src/winml/modelkit/serve/app.py. A malicious website loaded by a user can send cross-origin requests to /v1/cli/build or /v1/cli/config and set the trust_remote_code parameter to true, which is converted to the --trust-remote-code command-line flag without validation. This reaches AutoConfig.from_pretrained with trust_remote_code=True in src/winml/modelkit/loader/_autoconfig.py and imports Python code from an attacker-controlled model repository, resulting in arbitrary code execution as the server user. This issue is fixed in version 0.4.0.
Severity: 8.6 | HIGH
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