CVE-2026-84202

ModelScope uses PyYAML's unsafe yaml.Loader to parse model configuration files, allowing arbitrary code execution through Python object construction tags. Attackers can craft malicious model repositories with poisoned configuration files that execute code when loaded by users.

CVSS v3 8.8 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/modelscope/modelscope
https://github.com/modelscope/modelscope/blob/v1.40.0/modelscope/models/audio/tts/voice.py
https://github.com/modelscope/modelscope/blob/v1.40.0/modelscope/models/multi_modal/mplug/configuration_mplug.py
https://github.com/modelscope/modelscope/issues/1660
https://www.vulncheck.com/advisories/modelscope-through-1.40.0-unsafe-yaml-deserialization-in-model-config-loading
https://github.com/modelscope/modelscope/issues/1660

Configurations

No configuration.

History

No history.

Information

Published : 2026-09-01 16:17

Updated : 2026-09-08 20:18

NVD link : CVE-2026-84202

Mitre link : CVE-2026-84202

CVE.ORG link : CVE-2026-84202

JSON object : View

Products Affected

No product.

CWE

CWE-502

Deserialization of Untrusted Data

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