LMCache KV Cache utils.py hex_hash_to_int16 weak hash_CVE-2026-10813

2 / 10

LOW

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

Description

A flaw has been found in LMCache up to 0.4.6. This affects the function hex_hash_to_int16 of the file lmcache/integration/vllm/utils.py of the component KV Cache Handler. Executing a manipulation can lead to use of weak hash. The attack needs to be launched locally. The attack requires a high level of complexity. It is indicated that the exploitability is difficult. The exploit has been published and may be used. The pull request to fix this issue awaits acceptance.

Basic Information

ID CVE-2026-10813

Source VulDB

Published Jun 4, 2026 at 14:45

Affected Product

Vendor n/a

Product LMCache

Version 0.4.0

Affected Versions n/a LMCache 0.4.0
n/a LMCache 0.4.1
n/a LMCache 0.4.2
n/a LMCache 0.4.3
n/a LMCache 0.4.4
n/a LMCache 0.4.5
n/a LMCache 0.4.6

CWE Classification

CWE-328 CWE-327

References

{
    "lastseen": "",
    "description": "A flaw has been found in LMCache up to 0.4.6. This affects the function hex_hash_to_int16 of the file lmcache/integration/vllm/utils.py of the component KV Cache Handler. Executing a manipulation can lead to use of weak hash. The attack needs to be launched locally. The attack requires a high level of complexity. It is indicated that the exploitability is difficult. The exploit has been published and may be used. The pull request to fix this issue awaits acceptance.",
    "published": "2026-06-04T14:45:10.552Z",
    "modified": "2026-06-04T14:45:10.552Z",
    "type": "cve",
    "title": "LMCache KV Cache utils.py hex_hash_to_int16 weak hash",
    "source": "VulDB",
    "references": "https://vuldb.com/vuln/368261\nhttps://vuldb.com/vuln/368261/cti\nhttps://vuldb.com/cve/CVE-2026-10813\nhttps://vuldb.com/submit/831641\nhttps://github.com/LMCache/LMCache/issues/3301\nhttps://github.com/LMCache/LMCache/pull/2932\nhttps://github.com/LMCache/LMCache/",
    "id": "CVE-2026-10813",
    "bulletinFamily": "",
    "cwe": [
        "CWE-328",
        "CWE-327"
    ],
    "cvelist": null,
    "sourceData": "n/a LMCache 0.4.0\nn/a LMCache 0.4.1\nn/a LMCache 0.4.2\nn/a LMCache 0.4.3\nn/a LMCache 0.4.4\nn/a LMCache 0.4.5\nn/a LMCache 0.4.6",
    "sourceHref": "",
    "cvss": {
        "score": 2,
        "severity": "LOW",
        "vector": "CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:N/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": "LMCache",
    "version": "0.4.0",
    "vendor": "n/a",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}