Vulnerability 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.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://github.com/espnet/espnet
- https://github.com/espnet/espnet/blob/v.202511/espnet2/torch_utils/load_pretrain
- https://github.com/espnet/espnet/commit/91ca045fc179f29bc7b7fe05cd852aea65310003
- https://github.com/espnet/espnet/releases/tag/v.202609
- https://github.com/espnet/espnet/security/advisories/GHSA-64f6-3gqc-r926
- https://www.vulncheck.com/advisories/espnet-before-202609-remote-code-execution-
- https://github.com/espnet/espnet/security/advisories/GHSA-64f6-3gqc-r926
FAQ
What is CVE-2026-90777?
CVE-2026-90777 is a vulnerability with a CVSS score of 8.8 (HIGH). 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 c...
How severe is CVE-2026-90777?
CVE-2026-90777 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-90777?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.