CVE-2025-10164

HIGH

sglang - Remote Code Execution via Pickle Deserialization

Title source: llm
STIX 2.1

Description

A security flaw has been discovered in lmsys sglang 0.4.6. Affected by this vulnerability is the function main of the file /update_weights_from_tensor. The manipulation of the argument serialized_named_tensors results in deserialization. The attack can be launched remotely. The exploit has been released to the public and may be exploited. The vendor was contacted early about this disclosure but did not respond in any way.

References (3)

Core 3
Core References
Permissions Required, VDB Entry vdb-entry technical-description
https://vuldb.com/?id.323203
Permissions Required, VDB Entry signature permissions-required
https://vuldb.com/?ctiid.323203
Permissions Required, VDB Entry third-party-advisory
https://vuldb.com/?submit.635919

Scores

CVSS v3 7.3
EPSS 0.0011
EPSS Percentile 29.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-20 CWE-502
Status published
Products (2)
lmsys/sglang 0.4.6
pypi/sglang 0 - 0.5.4PyPI
Published Sep 09, 2025
Tracked Since Feb 18, 2026