{"id":"CVE-2026-3989","aliases":["GHSA-hvwj-8w5g-28rg","PYSEC-2026-3063"],"url":"https://o3.security/vulnerability/CVE-2026-3989","summary":"CVE-2026-3989","details":"SGLangs `replay_request_dump.py` contains an insecure pickle.load() without validation and proper deserialization. An attacker can take advantage of this by providing a malicious .pkl file, which will execute the attackers code on the device running the script.","published":"2026-03-12T11:37:48.314Z","modified":"2026-08-12T04:16:54.861761646Z","cvss":{"score":7.8,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},"epss":{"score":0.00468,"percentile":0.39513,"asOf":"2026-09-17"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"PyPI","name":"sglang","fixedVersion":"0.5.10"}],"fix":{"url":"https://github.com/sgl-project/sglang/pull/20904","label":"sgl-project/sglang#20904"},"references":[{"type":"WEB","url":"https://github.com/sgl-project/sglang/blob/main/scripts/playground/replay_request_dump.py"},{"type":"WEB","url":"https://github.com/sgl-project/sglang/releases/tag/v0.5.10"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/3xxx/CVE-2026-3989.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-3989"},{"type":"FIX","url":"https://github.com/sgl-project/sglang/pull/20904"},{"type":"ARTICLE","url":"https://orca.security/resources/blog/sglang-llm-framework-rce-vulnerabilities/"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T04:16:54.861761646Z"}}