Is CVE-2026-84202 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-84202?

CVE-2026-84202 has a CVSS v3 severity of HIGH (8.8).

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CVE-2026-84202

Description

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.