{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-90919", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-09-14T11:04:23.742Z", "datePublished": "2026-09-14T11:30:59.783Z", "dateUpdated": "2026-09-14T11:30:59.783Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-09-14T11:30:59.783Z"}, "datePublic": "2026-09-10T00:00:00.000Z", "title": "LightLLM through 1.2.0 Unauthenticated Remote Code Execution via Config Server Pickle Deserialization", "descriptions": [{"lang": "en", "value": "LightLLM through 1.2.0 contains a remote code execution vulnerability in the Config Server's unauthenticated /visual_register WebSocket endpoint that passes the first client frame directly to pickle.loads(). Attackers can reach the Config Server port and send a malicious serialized payload with a __reduce__ method to execute arbitrary code with Config Server process privileges."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Deserialization of Untrusted Data", "cweId": "CWE-502", "type": "CWE"}]}], "affected": [{"vendor": "ModelTC", "product": "LightLLM", "packageName": "LightLLM", "repo": "https://github.com/ModelTC/lightllm", "packageURL": "pkg:github/ModelTC/lightllm", "defaultStatus": "unaffected", "versions": [{"version": "0", "status": "affected", "versionType": "semver", "lessThanOrEqual": "1.2.0"}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "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", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 9.3, "baseSeverity": "CRITICAL"}}, {"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL"}}], "references": [{"url": "https://github.com/ModelTC/LightLLM/issues/1563", "tags": ["issue-tracking"], "name": "GitHub Issue #1563"}, {"url": "https://github.com/ModelTC/LightLLM/blob/v1.2.0/lightllm/server/config_server/api_http.py#L79-L86", "tags": ["technical-description"], "name": "visual_websocket_endpoint pickle.loads sink at v1.2.0"}, {"url": "https://github.com/ModelTC/lightllm", "tags": ["product"]}, {"name": "VulnCheck Advisory: LightLLM through 1.2.0 Unauthenticated Remote Code Execution via Config Server Pickle Deserialization", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/lightllm-through-1.2.0-unauthenticated-remote-code-execution-via-config-server-pickle-deserialization"}], "credits": [{"lang": "en", "value": "Jiapeng Li", "type": "finder"}, {"lang": "en", "value": "Jiajia Liu", "type": "finder"}], "x_generator": {"engine": "vulncheck-endgame"}}}}

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{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,1.2.0]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "LightLLM", "source": "cna", "vendor": "ModelTC"}, "product": "lightllm", "vendor": "modeltc"}], "created": "2026-09-14T13:00:10.999336+00:00", "updated": "2026-09-14T13:00:10.999383+00:00", "vendors": ["modeltc", "modeltc$PRODUCT$lightllm"]}