{"id":"CVE-2026-90777","title":"ESPnet before 202609 deserializes pretrained model checkpoints using torch.load with weights_only=False, allowing arbitrary code execution from attacker-supplied files","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 dur…","severity":"high","cvss":8.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","cwe":["CWE-502"],"vendor":"espnet","product":"espnet","affected":["espnet < 202609"],"published":"2026-09-13","updated":"2026-09-14","sourceUpdated":"2026-09-14T18:20:26.223","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-90777","references":[{"url":"https://github.com/espnet/espnet","label":"disclosure@vulncheck.com"},{"url":"https://github.com/espnet/espnet/blob/v.202511/espnet2/torch_utils/load_pretrained_model.py#L99","label":"disclosure@vulncheck.com"},{"url":"https://github.com/espnet/espnet/commit/91ca045fc179f29bc7b7fe05cd852aea65310003","label":"disclosure@vulncheck.com"},{"url":"https://github.com/espnet/espnet/releases/tag/v.202609","label":"disclosure@vulncheck.com"},{"url":"https://github.com/espnet/espnet/security/advisories/GHSA-64f6-3gqc-r926","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/espnet-before-202609-remote-code-execution-via-unsafe-deserialization","label":"disclosure@vulncheck.com"},{"url":"https://github.com/espnet/espnet/security/advisories/GHSA-64f6-3gqc-r926","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd","cve.org","exploit-available"],"exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"total","timestamp":"2026-09-14T17:27:19.541240Z"},"epss":0.00507,"epssPercentile":0.42169,"ingestedAt":"2026-09-14T15:23:07.470Z","slug":"CVE-2026-90777","body":"## Overview\n\nESPnet 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":61,"depthScoreParts":{"impact":48.4,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[{"seq":203148,"id":"CVE-2026-90777","ts":1789413238016,"field":"exploit_available","old":"false","new":"true"}]}