CVE-2026-90777
ESPnet before 202609 Remote Code Execution via Unsafe Deserialization
- State
- Published
- Severity
- 8.7 High
- Published
- Sep 13, 2026
- Updated
- Sep 24, 2026
- Reserved
- Sep 13, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.7 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 8.8 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H | VulnCheck |
Weaknesses
- CWE-502 Deserialization of Untrusted Data
Affected Products
| Product | Versions |
|---|---|
espnetespnet |
|
References
- GitHub Security Advisory (GHSA-64f6-3gqc-r926)vendor-advisory
- Patch Commitpatch
- Unsafe torch.load call at v.202511technical-description
- ESPnet v.202609 Release Notesrelease-notes
- https://github.com/espnet/espnetproduct
- VulnCheck Advisory: ESPnet before 202609 Remote Code Execution via Unsafe Deserializationthird-party-advisory
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