CVE-2025-10164

High

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.

SeverityHigh
CVSS7.3
Exploit probability—
ProductSglang
PublishedSep 9, 2025
First seenSep 9, 2025

How to fix

Update
  • sglang0.5.4 or later

Affected products

ProductAffected versionsFixed in
sglangPyPIv < 0.5.40.5.4

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