{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-92983", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-09-17T13:55:53.252Z", "datePublished": "2026-09-17T14:22:08.232Z", "dateUpdated": "2026-09-17T14:22:08.232Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-09-17T14:22:08.232Z"}, "datePublic": "2026-09-14T00:00:00.000Z", "title": "InternLM LMDeploy through 0.17.0 Memory Exhaustion via Session ID Mismatch", "descriptions": [{"lang": "en", "value": "InternLM LMDeploy through 0.17.0 in DistServe prefill/decode disaggregation mode fails to release scheduler sessions because the proxy uses user-facing session IDs instead of internal scheduler keys. Unauthenticated attackers can send completion requests to the proxy endpoint that accumulate unreleased scheduler metadata and memory until the prefill worker is out-of-memory killed."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Missing Release of Resource after Effective Lifetime", "cweId": "CWE-772", "type": "CWE"}]}], "affected": [{"vendor": "InternLM", "product": "lmdeploy", "defaultStatus": "unaffected", "packageURL": "pkg:pypi/lmdeploy", "versions": [{"version": "0", "lessThanOrEqual": "0.17.0", "status": "affected", "versionType": "semver"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:internlm:lmdeploy:*:*:*:*:*:*:*:*", "versionEndIncluding": "0.17.0"}]}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 8.7, "baseSeverity": "HIGH"}}, {"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH"}}], "references": [{"url": "https://github.com/InternLM/lmdeploy/issues/4967", "tags": ["issue-tracking"], "name": "GitHub Issue #4967"}, {"url": "https://github.com/InternLM/lmdeploy", "tags": ["product"]}, {"url": "https://github.com/InternLM/lmdeploy/blob/v0.17.0/lmdeploy/pytorch/disagg/conn/engine_conn.py#L93-L99", "tags": ["technical-description"]}, {"name": "VulnCheck Advisory: InternLM LMDeploy through 0.17.0 Memory Exhaustion via Session ID Mismatch", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/internlm-lmdeploy-through-0.17.0-memory-exhaustion-via-session-id-mismatch"}], "credits": [{"lang": "en", "value": "Jiapeng Li", "type": "finder"}, {"lang": "en", "value": "Jiajia Liu", "type": "finder"}, {"lang": "en", "value": "Mingkai Yu", "type": "finder"}], "x_generator": {"engine": "vulncheck-endgame"}}}}

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