CVE-2025-10164
HIGHsglang - Remote Code Execution via Pickle Deserialization
Title source: llmDescription
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