{"id":"CVE-2026-86793","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-86793","summary":"SGLang allows unauthenticated pickle deserialization through /update_weights_from_tensor when no auth keys are configured, and the SafeUnpickler policy can be bypassed because builtins.import…","details":"SGLang allows unauthenticated pickle deserialization through /update_weights_from_tensor when no auth keys are configured, and the SafeUnpickler policy can be bypassed because builtins.import and builtins.getattr are resolvable, enabling code execution via pickle REDUCE.","published":"2026-09-11T12:16:52.427","modified":"2026-09-14T19:17:51.950","cvss":{"score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://github.com/sgl-project/sglang/tree/main"},{"type":"WEB","url":"https://vicone.com/blog/cve-2026-86793-sglang-bypass-could-let-attackers-run-code-on-ai-servers/"},{"type":"WEB","url":"https://vicone.com/blog/cve-2026-86793-sglang-bypass-could-let-attackers-run-code-on-ai-servers/"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-09-14T19:17:51.950"}}