{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-107207", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-10-07T14:31:45.175Z", "datePublished": "2026-10-07T15:24:05.336Z", "dateUpdated": "2026-10-07T15:24:05.336Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-10-07T15:24:05.336Z"}, "datePublic": "2026-10-06T00:00:00.000Z", "title": "LMCache through 0.5.5 Missing Authentication in Frontend Node Catalog Allows SSRF Allowlist Bypass", "descriptions": [{"lang": "en", "value": "LMCache through 0.5.5 contains a server-side request forgery vulnerability in its frontend monitoring service that allows unauthenticated attackers to bypass the proxy allowlist by registering arbitrary hosts. Attackers can add entries via POST /api/proxies and then use /proxy or /proxy2 to reach internal hosts, read responses, and tamper with nodes or stop the heartbeat."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Missing Authentication for Critical Function", "cweId": "CWE-306", "type": "CWE"}]}], "affected": [{"vendor": "LMCache", "product": "LMCache", "defaultStatus": "unaffected", "packageURL": "pkg:pypi/lmcache", "versions": [{"version": "0", "status": "affected", "versionType": "semver", "lessThanOrEqual": "0.5.5"}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "LOW", "subIntegrityImpact": "LOW", "subAvailabilityImpact": "NONE", "baseScore": 6.9, "baseSeverity": "MEDIUM"}}, {"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE", "baseScore": 7.2, "baseSeverity": "HIGH"}}], "references": [{"url": "https://github.com/LMCache/LMCache/issues/5512", "tags": ["issue-tracking"], "name": "GitHub Issue #5512"}, {"url": "https://github.com/LMCache/LMCache", "tags": ["product"]}, {"url": "https://github.com/LMCache/LMCache/blob/v0.5.5/lmcache/lmcache_frontend/app.py#L411-L428", "tags": ["technical-description"]}, {"url": "https://github.com/LMCache/LMCache/blob/v0.5.5/lmcache/lmcache_frontend/app.py#L567-L604", "tags": ["technical-description"]}, {"name": "VulnCheck Advisory: LMCache through 0.5.5 Missing Authentication in Frontend Node Catalog Allows SSRF Allowlist Bypass", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/lmcache-through-0.5.5-missing-authentication-in-frontend-node-catalog-allows-ssrf-allowlist-bypass"}], "credits": [{"lang": "en", "value": "Mingkai Yu", "type": "finder"}, {"lang": "en", "value": "Jiajia Liu", "type": "finder"}], "x_generator": {"engine": "vulncheck-endgame"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "packageURL": "pkg:pypi/lmcache", "product": "LMCache", "vendor": "LMCache", "versions": [{"lessThanOrEqual": "0.5.5", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "disclosure@vulncheck.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "LMCache through 0.5.5 contains a server-side request forgery vulnerability in its frontend monitoring service that allows unauthenticated attackers to bypass the proxy allowlist by registering arbitrary hosts. Attackers can add entries via POST /api/proxies and then use /proxy or /proxy2 to reach internal hosts, read responses, and tamper with nodes or stop the heartbeat."}], "id": "CVE-2026-107207", "lastModified": "2026-10-07T16:17:45.617", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.2, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 2.7, "source": "disclosure@vulncheck.com", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 6.9, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "LOW", "subIntegrityImpact": "LOW", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "disclosure@vulncheck.com", "type": "Secondary"}]}, "published": "2026-10-07T16:17:45.617", "references": [{"source": "disclosure@vulncheck.com", "url": "https://github.com/LMCache/LMCache"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/LMCache/LMCache/blob/v0.5.5/lmcache/lmcache_frontend/app.py#L411-L428"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/LMCache/LMCache/blob/v0.5.5/lmcache/lmcache_frontend/app.py#L567-L604"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/LMCache/LMCache/issues/5512"}, {"source": "disclosure@vulncheck.com", "url": "https://www.vulncheck.com/advisories/lmcache-through-0.5.5-missing-authentication-in-frontend-node-catalog-allows-ssrf-allowlist-bypass"}], "sourceIdentifier": "disclosure@vulncheck.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-306"}], "source": "disclosure@vulncheck.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,0.5.5]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "LMCache", "source": "cna", "vendor": "LMCache"}, "product": "lmcache", "vendor": "lmcache"}], "created": "2026-10-07T18:00:18.773623+00:00", "updated": "2026-10-07T18:00:19.708680+00:00", "vendors": ["lmcache", "lmcache$PRODUCT$lmcache"]}