{"id":"CVE-2026-107207","revision":"be05d1c6814b4dc6859e02fb39eb329e","records":[{"revision":"be05d1c6814b4dc6859e02fb39eb329e","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-107207","aliases":[],"title":"LMCache through 0.5.5 Missing Authentication in Frontend Node Catalog Allows SSRF Allowlist Bypass","description":"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.","state":0,"publishedAt":"2026-10-07T15:24:05.336+00:00","modifiedAt":"2026-10-07T20:44:02.502+00:00","affected":[{"ecosystem":"Vendor product","name":"LMCache","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"LMCache\",\n                    \"product\": \"LMCache\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"packageURL\": \"pkg:pypi/lmcache\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThanOrEqual\": \"0.5.5\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"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","score":6.9,"severity":"MEDIUM"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N","score":7.2,"severity":"HIGH"}],"references":["https://github.com/LMCache/LMCache/issues/5512","https://github.com/LMCache/LMCache","https://github.com/LMCache/LMCache/blob/v0.5.5/lmcache/lmcache_frontend/app.py#L411-L428","https://github.com/LMCache/LMCache/blob/v0.5.5/lmcache/lmcache_frontend/app.py#L567-L604","https://www.vulncheck.com/advisories/lmcache-through-0.5.5-missing-authentication-in-frontend-node-catalog-allows-ssrf-allowlist-bypass"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-107207","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-107207","identifiers":["CVE-2026-107207"]},"retained":false,"historicalAffected":[]}],"coverage":[]}