CVE-2026-90777
High
Description
ESPnet before 202609 deserializes pretrained model checkpoints using torch.load with weights_only=False, allowing arbitrary code execution from attacker-supplied files. Attackers can craft malicious checkpoint files that execute code during deserialization when loaded through the initialization or fine-tuning path.
SeverityHigh
CVSS8.8
Exploit probability—
ProductEspnet
PublishedSep 13, 2026
First seenSep 13, 2026
Weakness typeCWE-502Deserialization of untrusted data
How to fix
Update
- espnet espnet202609 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| espnet espnet | v < 202609 | 202609 |
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