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 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.
History

Thu, 08 Oct 2026 21:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Thu, 08 Oct 2026 17:15:00 +0000

Type Values Removed Values Added
First Time appeared Sglang
Sglang sglang
Vendors & Products Sglang
Sglang sglang

Thu, 08 Oct 2026 16:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-502

Thu, 08 Oct 2026 14:15:00 +0000

Type Values Removed Values Added
Description 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 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.
Title CVE-2026-93034
References

cve-icon MITRE

Status: PUBLISHED

Assigner: certcc

Published: 2026-10-08T14:00:09.084Z

Updated: 2026-10-08T20:22:35.805Z

Reserved: 2026-09-17T15:20:20.432Z

Link: CVE-2026-93034

cve-icon Vulnrichment

Updated: 2026-10-08T20:22:31.218Z

cve-icon NVD

Status : Deferred

Published: 2026-10-08T15:17:57.117

Modified: 2026-10-08T21:18:03.583

Link: CVE-2026-93034

cve-icon Redhat

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