{"id":"CVE-2026-107207","title":"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","summary":"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 v…","severity":"high","cvss":7.2,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N","cwe":["CWE-306"],"vendor":"LMCache","product":"LMCache","affected":["LMCache <= 0.5.5"],"published":"2026-10-07","updated":"2026-10-08","sourceUpdated":"2026-10-08T21:07:19.997","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-107207","references":[{"url":"https://github.com/LMCache/LMCache","label":"disclosure@vulncheck.com"},{"url":"https://github.com/LMCache/LMCache/blob/v0.5.5/lmcache/lmcache_frontend/app.py#L411-L428","label":"disclosure@vulncheck.com"},{"url":"https://github.com/LMCache/LMCache/blob/v0.5.5/lmcache/lmcache_frontend/app.py#L567-L604","label":"disclosure@vulncheck.com"},{"url":"https://github.com/LMCache/LMCache/issues/5512","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/lmcache-through-0.5.5-missing-authentication-in-frontend-node-catalog-allows-ssrf-allowlist-bypass","label":"disclosure@vulncheck.com"},{"url":"https://github.com/LMCache/LMCache/issues/5512","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd","cve.org","exploit-available"],"exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"yes","technicalImpact":"partial","timestamp":"2026-10-07T20:43:55.581608Z"},"ingestedAt":"2026-10-07T16:38:22.225Z","epss":0.00289,"epssPercentile":0.2132,"slug":"CVE-2026-107207","body":"## Overview\n\nLMCache 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":52,"depthScoreParts":{"impact":39.6,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[{"seq":217808,"id":"CVE-2026-107207","ts":1791410348773,"field":"exploit_available","old":"false","new":"true"}]}