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        "cveId": "CVE-2026-26220",
        "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "state": "PUBLISHED",
        "assignerShortName": "VulnCheck",
        "dateReserved": "2026-02-11T20:08:07.944Z",
        "datePublished": "2026-02-17T01:52:03.650Z",
        "dateUpdated": "2026-07-14T15:54:03.881Z"
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                "dateUpdated": "2026-07-14T15:54:03.881Z"
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            "title": "LightLLM <= 1.1.0 PD Mode Unsafe Deserialization RCE",
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                            "value": "LightLLM version 1.1.0 and prior contain an unauthenticated remote code execution vulnerability in PD (prefill-decode) disaggregation mode. The PD master node exposes WebSocket endpoints that receive binary frames and pass the data directly to pickle.loads() without authentication or validation. A remote attacker who can reach the PD master can send a crafted payload to achieve arbitrary code execution."
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                            "cweId": "CWE-502",
                            "description": "CWE-502 Deserialization of Untrusted Data",
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                            "type": "CWE"
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                    "defaultStatus": "unknown",
                    "packageURL": "pkg:github/ModelTC/lightllm",
                    "packageName": "LightLLM",
                    "product": "LightLLM",
                    "repo": "https://github.com/ModelTC/lightllm",
                    "vendor": "ModelTC",
                    "versions": [
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                            "lessThanOrEqual": "1.1.0",
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                            "version": "0",
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                        "attackComplexity": "LOW",
                        "attackRequirements": "NONE",
                        "attackVector": "NETWORK",
                        "baseScore": 9.3,
                        "baseSeverity": "CRITICAL",
                        "exploitMaturity": "NOT_DEFINED",
                        "privilegesRequired": "NONE",
                        "providerUrgency": "NOT_DEFINED",
                        "subAvailabilityImpact": "NONE",
                        "subConfidentialityImpact": "NONE",
                        "subIntegrityImpact": "NONE",
                        "userInteraction": "NONE",
                        "valueDensity": "NOT_DEFINED",
                        "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
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                        "vulnerabilityResponseEffort": "NOT_DEFINED"
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                            "value": "GENERAL"
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                {
                    "tags": [
                        "technical-description",
                        "exploit"
                    ],
                    "url": "https://chocapikk.com/posts/2026/lightllm-pickle-rce/"
                },
                {
                    "tags": [
                        "issue-tracking"
                    ],
                    "url": "https://github.com/ModelTC/LightLLM/issues/1213"
                },
                {
                    "tags": [
                        "product"
                    ],
                    "url": "https://lightllm-en.readthedocs.io/en/latest/index.html"
                },
                {
                    "tags": [
                        "product"
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                    "url": "https://github.com/ModelTC/lightllm/blob/a27dfc88c2144ed51a6e160b6fbe20aad66c8fe0/lightllm/server/api_http.py#L310"
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                    "url": "https://github.com/ModelTC/lightllm/blob/a27dfc88c2144ed51a6e160b6fbe20aad66c8fe0/lightllm/server/api_http.py#L331"
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                {
                    "tags": [
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                    "url": "https://www.vulncheck.com/advisories/lightllm-pd-mode-unsafe-deserialization-rce"
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "type": "finder",
                    "value": "Valentin Lobstein (Chocapikk)"
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            ],
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            "source": {
                "discovery": "EXTERNAL"
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        "adp": [
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                "metrics": [
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                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-02-17T14:37:33.792813Z",
                                "id": "CVE-2026-26220",
                                "options": [
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                                        "Exploitation": "poc"
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                                        "Automatable": "yes"
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                                "role": "CISA Coordinator",
                                "version": "2.0.3"
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                "title": "CISA ADP Vulnrichment",
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                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
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