{"id":"CVE-2026-90777","aliases":["EUVD-2026-77001","GHSA-64f6-3gqc-r926","GHSA-r7rw-fc94-3p58"],"status":"published","title":"ESPnet before 202609 Remote Code Execution via Unsafe Deserialization","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.","severity":{"version":"4.0","score":8.7,"vector":"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","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00733,"percentile":0.54635,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-502"],"published":"2026-09-13T11:42:27Z","modified":"2026-10-28T02:30:59Z","products":[{"vendor":"espnet","product":"espnet"}],"references":[{"url":"https://github.com/espnet/espnet/security/advisories/GHSA-64f6-3gqc-r926","tags":["vendor-advisory","exploit","advisory"]},{"url":"https://github.com/espnet/espnet/commit/91ca045fc179f29bc7b7fe05cd852aea65310003","tags":["patch","fix"]},{"url":"https://github.com/espnet/espnet/blob/v.202511/espnet2/torch_utils/load_pretrained_model.py#L99","tags":["technical-description","article"]},{"url":"https://github.com/espnet/espnet/releases/tag/v.202609","tags":["release-notes","advisory"]},{"url":"https://github.com/espnet/espnet","tags":["product","package"]},{"url":"https://www.vulncheck.com/advisories/espnet-before-202609-remote-code-execution-via-unsafe-deserialization","tags":["third-party-advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-90777","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-r7rw-fc94-3p58"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90777.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-90777","title":"ESPnet before 202609 Remote Code Execution via Unsafe Deserialization","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.","status":"published","published":"2026-09-13T11:42:27.045Z","modified":"2026-09-24T14:21:57.147Z","cvss":[{"version":"4.0","score":8.7,"vector":"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","level":"high","assessor":"cna"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T13:45:59.110885Z"}],"euvd":[{"id":"EUVD-2026-77001","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.","status":"published","published":"2026-09-13T11:42:27Z","modified":"2026-09-24T14:21:57Z","cvss":[{"version":"4.0","score":8.7,"vector":"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","level":"high"}],"updated_at":"2026-11-02T17:27:57.402158Z"}],"ghsa":[{"id":"GHSA-r7rw-fc94-3p58","title":"ESPnet before 202609 deserializes pretrained model checkpoints using torch.load with weights_only...","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.","status":"published","published":"2026-09-13T12:31:12Z","modified":"2026-09-13T12:31:19Z","cvss":[{"version":"4.0","score":8.7,"vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T15:11:47.193563Z"}],"nvd":[{"id":"CVE-2026-90777","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.","status":"published","published":"2026-09-13T12:17:16.69Z","modified":"2026-09-23T17:17:44.357Z","cvss":[{"version":"4.0","score":8.7,"vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:12:46.980627Z"}],"osv":[{"id":"CVE-2026-90777","title":"ESPnet before 202609 Remote Code Execution via Unsafe Deserialization","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.","status":"published","published":"2026-09-13T11:42:27.045Z","modified":"2026-10-28T02:30:59.590684627Z","cvss":[{"version":"4.0","score":8.7,"vector":"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","level":"high"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T15:45:20.269367Z"}]}}