lmsys sglang update_weights_from_tensor main deserialization_CVE-2025-10164

6.9 / 10

MEDIUM

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

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.

Basic Information

ID CVE-2025-10164

Source VulDB

Published Sep 9, 2025 at 18:32

Affected Product

Vendor lmsys

Product sglang

Version 0.4.6

Affected Versions lmsys sglang 0.4.6

CWE Classification

CWE-502 CWE-20

References

{
    "lastseen": "",
    "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.",
    "published": "2025-09-09T18:32:06.015Z",
    "modified": "2025-09-09T18:32:06.015Z",
    "type": "cve",
    "title": "lmsys sglang update_weights_from_tensor main deserialization",
    "source": "VulDB",
    "references": "https://vuldb.com/?id.323203\nhttps://vuldb.com/?ctiid.323203\nhttps://vuldb.com/?submit.635919",
    "id": "CVE-2025-10164",
    "bulletinFamily": "",
    "cwe": [
        "CWE-502",
        "CWE-20"
    ],
    "cvelist": null,
    "sourceData": "lmsys sglang 0.4.6",
    "sourceHref": "",
    "cvss": {
        "score": 6.9,
        "severity": "MEDIUM",
        "vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P",
        "version": "4.0"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
            "attackVector": "",
            "attackComplexity": "",
            "privilegesRequired": "",
            "userInteraction": "",
            "scope": "",
            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "sglang",
    "version": "0.4.6",
    "vendor": "lmsys",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}