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2 vulnerabilities found for winml-cli by microsoft
CVE-2026-84452 (GCVE-0-2026-84452)
Vulnerability from nvd – Published: 2026-09-02 19:22 – Updated: 2026-09-02 19:22
VLAI
EPSS
VEX
Title
Windows ML CLI: CORS misconfig enables localhost RCE
Summary
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
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/microsoft/winml-cli/security/a… | x_refsource_CONFIRM |
| https://github.com/microsoft/winml-cli/pull/1321 | x_refsource_MISC |
| https://github.com/microsoft/winml-cli/commit/f40… | x_refsource_MISC |
{
"containers": {
"cna": {
"affected": [
{
"product": "winml-cli",
"vendor": "microsoft",
"versions": [
{
"status": "affected",
"version": "\u003c 0.4.0"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "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."
}
],
"metrics": [
{
"cvssV4_0": {
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "NETWORK",
"baseScore": 8.6,
"baseSeverity": "HIGH",
"privilegesRequired": "NONE",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "ACTIVE",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "HIGH",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "HIGH"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-942",
"description": "CWE-942: Permissive Cross-domain Policy with Untrusted Domains",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-306",
"description": "CWE-306: Missing Authentication for Critical Function",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-09-02T19:22:55.672Z",
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M"
},
"references": [
{
"name": "https://github.com/microsoft/winml-cli/security/advisories/GHSA-96p9-rh4f-92cf",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/microsoft/winml-cli/security/advisories/GHSA-96p9-rh4f-92cf"
},
{
"name": "https://github.com/microsoft/winml-cli/pull/1321",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/microsoft/winml-cli/pull/1321"
},
{
"name": "https://github.com/microsoft/winml-cli/commit/f4073e0ef4700a25b623487e7e45c421ca0b9993",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/microsoft/winml-cli/commit/f4073e0ef4700a25b623487e7e45c421ca0b9993"
}
],
"source": {
"advisory": "GHSA-96p9-rh4f-92cf",
"discovery": "UNKNOWN"
},
"title": "Windows ML CLI: CORS misconfig enables localhost RCE"
}
},
"cveMetadata": {
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"assignerShortName": "GitHub_M",
"cveId": "CVE-2026-84452",
"datePublished": "2026-09-02T19:22:55.672Z",
"dateReserved": "2026-09-01T20:05:09.423Z",
"dateUpdated": "2026-09-02T19:22:55.672Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-84452 (GCVE-0-2026-84452)
Vulnerability from cvelistv5 – Published: 2026-09-02 19:22 – Updated: 2026-09-02 19:22
VLAI
EPSS
VEX
Title
Windows ML CLI: CORS misconfig enables localhost RCE
Summary
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
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/microsoft/winml-cli/security/a… | x_refsource_CONFIRM |
| https://github.com/microsoft/winml-cli/pull/1321 | x_refsource_MISC |
| https://github.com/microsoft/winml-cli/commit/f40… | x_refsource_MISC |
{
"containers": {
"cna": {
"affected": [
{
"product": "winml-cli",
"vendor": "microsoft",
"versions": [
{
"status": "affected",
"version": "\u003c 0.4.0"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "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."
}
],
"metrics": [
{
"cvssV4_0": {
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "NETWORK",
"baseScore": 8.6,
"baseSeverity": "HIGH",
"privilegesRequired": "NONE",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "ACTIVE",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "HIGH",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "HIGH"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-942",
"description": "CWE-942: Permissive Cross-domain Policy with Untrusted Domains",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-306",
"description": "CWE-306: Missing Authentication for Critical Function",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-09-02T19:22:55.672Z",
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M"
},
"references": [
{
"name": "https://github.com/microsoft/winml-cli/security/advisories/GHSA-96p9-rh4f-92cf",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/microsoft/winml-cli/security/advisories/GHSA-96p9-rh4f-92cf"
},
{
"name": "https://github.com/microsoft/winml-cli/pull/1321",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/microsoft/winml-cli/pull/1321"
},
{
"name": "https://github.com/microsoft/winml-cli/commit/f4073e0ef4700a25b623487e7e45c421ca0b9993",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/microsoft/winml-cli/commit/f4073e0ef4700a25b623487e7e45c421ca0b9993"
}
],
"source": {
"advisory": "GHSA-96p9-rh4f-92cf",
"discovery": "UNKNOWN"
},
"title": "Windows ML CLI: CORS misconfig enables localhost RCE"
}
},
"cveMetadata": {
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"assignerShortName": "GitHub_M",
"cveId": "CVE-2026-84452",
"datePublished": "2026-09-02T19:22:55.672Z",
"dateReserved": "2026-09-01T20:05:09.423Z",
"dateUpdated": "2026-09-02T19:22:55.672Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}