{"id":"CVE-2026-119706","title":"LMDeploy 0.9.0 through 0.18.0 Unauthenticated RCE via /update_weights Pickle Deserialization","summary":"InternLM LMDeploy 0.9.0 through 0.18.0 contains an unauthenticated remote code execution vulnerability that allows remote attackers to run OS commands by sending pickled data to the /update_weights endpoint. Attackers can submit a base64…","severity":"critical","cvss":9.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cvssSource":"cna","cwe":["CWE-502"],"vendor":"InternLM","product":"lmdeploy","affected":["lmdeploy >= 0.9.0 <= 0.18.0"],"ssvc":{"exploitation":"poc","automatable":"yes","technicalImpact":"total","timestamp":"2026-10-30T15:39:38.070682Z"},"exploitAvailable":true,"published":"2026-10-30","updated":"2026-11-02","sourceUpdated":"2026-11-02T18:29:40.134Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-119706","references":[{"url":"https://github.com/InternLM/lmdeploy/issues/4698","label":"GitHub Issue #4698"},{"url":"https://github.com/InternLM/lmdeploy"},{"url":"https://github.com/InternLM/lmdeploy/blob/v0.18.0/lmdeploy/serve/openai/endpoints/management.py#L55-L60"},{"url":"https://github.com/InternLM/lmdeploy/blob/v0.18.0/lmdeploy/turbomind/turbomind.py#L345"},{"url":"https://github.com/InternLM/lmdeploy/pull/4964"},{"url":"https://www.vulncheck.com/advisories/lmdeploy-0.9.0-through-0.18.0-unauthenticated-rce-via-update-weights-pickle-deserialization","label":"VulnCheck Advisory: LMDeploy 0.9.0 through 0.18.0 Unauthenticated RCE via /update_weights Pickle Deserialization"}],"tags":["cve.org","exploit-available"],"epss":0.0103,"epssPercentile":0.6391,"ingestedAt":"2026-11-05T19:30:42.775Z","slug":"CVE-2026-119706","body":"## Overview\n\nInternLM LMDeploy 0.9.0 through 0.18.0 contains an unauthenticated remote code execution vulnerability that allows remote attackers to run OS commands by sending pickled data to the /update_weights endpoint. Attackers can submit a base64-encoded crafted pickle in serialized_named_tensors, which ForkingPickler.loads deserializes without validation, executing commands as the api_server process.\n\n## Affected\n\n- `lmdeploy >= 0.9.0 <= 0.18.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"abyssal","depthScore":66,"depthScoreParts":{"impact":53.9,"likelihood":0.2,"exploitation":12,"ransomware":0},"changes":[]}