{"id":"CVE-2026-93034","title":"SGLang contains an arbitrary code execution vulnerability caused by the ZMQ message decoder unconditionally deserializing PickleWrapper payloads via pickle.loads() in _maybe_unwrap_pickle without type allowlisting or authentication; this…","summary":"SGLang contains an arbitrary code execution vulnerability caused by the ZMQ message decoder unconditionally deserializing PickleWrapper payloads via pickle.loads() in _maybe_unwrap_pickle without type allowlisting or authentication; this…","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","cwe":["CWE-502"],"vendor":"SGLang","product":"SGLang","affected":["SGLang <= v0.5.20"],"published":"2026-10-08","updated":"2026-10-08","sourceUpdated":"2026-10-08T21:18:03.583","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-93034","references":[{"url":"https://github.com/sgl-project/sglang/tree/main","label":"cret@cert.org"},{"url":"https://m00dy.sh/notes/disabling-pickle-did-not-remove-pickle?palette=mineral","label":"cret@cert.org"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-10-08T14:47:16.370Z","slug":"CVE-2026-93034","body":"## Overview\n\nSGLang contains an arbitrary code execution vulnerability caused by the ZMQ message decoder unconditionally deserializing PickleWrapper payloads via pickle.loads() in _maybe_unwrap_pickle without type allowlisting or authentication; this vulnerability persists via the msgpack path even when SGLANG_USE_PICKLE_IPC is disabled, and becomes remotely exploitable if data-parallel attention is enabled with a non-loopback --dist-init-addr setting.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":54,"depthScoreParts":{"impact":53.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":218300,"id":"CVE-2026-93034","ts":1791497735511,"field":"cvss","old":null,"new":"9.8"},{"seq":218299,"id":"CVE-2026-93034","ts":1791497735511,"field":"severity","old":"none","new":"critical"}]}