High severity8.8NVD Advisory· Published Sep 13, 2026
CVE-2026-90777
CVE-2026-90777
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.
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Affected products
2Patches
Vulnerability mechanics
References
5- github.com/espnet/espnet/blob/v.202511/espnet2/torch_utils/load_pretrained_model.pynvd
- github.com/espnet/espnet/commit/91ca045fc179f29bc7b7fe05cd852aea65310003nvd
- github.com/espnet/espnet/releases/tag/v.202609nvd
- github.com/espnet/espnet/security/advisories/GHSA-64f6-3gqc-r926nvd
- www.vulncheck.com/advisories/espnet-before-202609-remote-code-execution-via-unsafe-deserializationnvd
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