CVE-2026-90777ESPnet before 202609 Remote Code Execution via Unsafe Deserialization
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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
- 8.8 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-502
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulnCheck
- NVD analysis
- Deferred
- Record last updated
- Sep 24, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
espnet espnet espnet:espnet (from the name) | before 202609; 202609 not affected | CNA record |
References
- https://github.com/espnet/espnet/security/advisories/GHSA-64f6-3gqc-r926vendor-advisory
- https://github.com/espnet/espnet/commit/91ca045fc179f29bc7b7fe05cd852aea65310003patch
- https://github.com/espnet/espnet/blob/v.202511/espnet2/torch_utils/load_pretrained_model.py#L99technical-description
- https://github.com/espnet/espnet/releases/tag/v.202609release-notes
- https://github.com/espnet/espnetproduct
- https://www.vulncheck.com/advisories/espnet-before-202609-remote-code-execution-via-unsafe-deserializationthird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.