Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
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| n/a | n/a | affected |
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Solution
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Workaround
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Mon, 11 May 2026 18:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Uncontrolled Deserialization Leading to Arbitrary Code Execution in CosyVoice Model Loading | |
| Weaknesses | CWE-502 |
Mon, 11 May 2026 16:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | CosyVoice thru commit 6e01309e01bc93bbeb83bdd996b1182a81aaf11e (2025-30-21) contains an insecure deserialization vulnerability (CWE-502) in its model loading component. The framework uses torch.load() to load model weight files (e.g., llm.pt, flow.pt, hift.pt) without enabling the security-restrictive weights_only=True parameter. This allows the deserialization of arbitrary Python objects via the pickle module. An attacker can exploit this by providing a malicious model directory containing specially crafted model files. When a victim starts the CosyVoice Web UI pointing to this directory, arbitrary code is executed on the victim's system during the model loading process. | |
| References |
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Projects
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MITRE
Status: PUBLISHED
Assigner: mitre
Published:
Updated: 2026-05-11T15:39:22.643Z
Reserved: 2026-03-09T00:00:00.000Z
Link: CVE-2026-31252
Vulnrichment
No data.
NVD
Status : Received
Published: 2026-05-11T17:16:20.187
Modified: 2026-05-11T17:16:20.187
Link: CVE-2026-31252
Redhat
No data.
OpenCVE Enrichment
Updated: 2026-05-11T17:45:26Z
No weakness.