CVE-2026-90777
ESPnet before 202609 Remote Code Execution via Unsafe Deserialization
CVSS Score
8.8
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-502 |
| Vendor | espnet |
| Product | espnet |
| Published | Sep 13, 2026 |
| Last Updated | Sep 14, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
espnet / espnet
0 < 202609
References
github.com: https://github.com/espnet/espnet/security/advisories/GHSA-64f6-3gqc-r926 github.com: https://github.com/espnet/espnet/commit/91ca045fc179f29bc7b7fe05cd852aea65310003 github.com: https://github.com/espnet/espnet/blob/v.202511/espnet2/torch_utils/load_pretrained_model.py#L99 github.com: https://github.com/espnet/espnet/releases/tag/v.202609 github.com: https://github.com/espnet/espnet vulncheck.com: https://www.vulncheck.com/advisories/espnet-before-202609-remote-code-execution-via-unsafe-deserialization
Credits
🔍 Jaime Ramírez (JaimeRamirez-coder) 🔍 arexgodofwar 🔍 Snakinya