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TI-2026-61684 Aliases CVE-2026-90777GHSA-r7rw-fc94-3p58

ESPnet before 202609 Remote Code Execution via Unsafe Deserialization

Priority HIGH 73CWE-502Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Passive
Attack complexity
Low
Attack requirements
None
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-502.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00733 54th percentileScored 2026-11-07
Fix Fixed espnet (espnet): 202609

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
espnetespnetbefore 202609202609Patch availableCNA
  • espnet Vendorespnet Affected before 202609 Fixed in 202609 Patch available CNA

Remediation

  • Fix · CNA espnet (espnet) Fixed in 202609

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-90777
  2. 2026-10-03 Alias added: GHSA-r7rw-fc94-3p58

References

Patch 1

Advisory 1

Other 3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences