{"id":"CVE-2026-107205","title":"LMCache through 0.5.5 contains a missing authentication vulnerability in the multiprocess coordinator that allows remote unauthenticated attackers to access its HTTP fleet control API listening on all interfaces by default","summary":"LMCache through 0.5.5 contains a missing authentication vulnerability in the multiprocess coordinator that allows remote unauthenticated attackers to access its HTTP fleet control API listening on all interfaces by default. Attackers can…","severity":"high","cvss":8.6,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H","cwe":["CWE-306"],"vendor":"LMCache","product":"LMCache","affected":["LMCache <= 0.5.5"],"published":"2026-10-07","updated":"2026-10-07","sourceUpdated":"2026-10-07T17:16:53.790","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-107205","references":[{"url":"https://github.com/LMCache/LMCache","label":"disclosure@vulncheck.com"},{"url":"https://github.com/LMCache/LMCache/blob/v0.5.5/lmcache/v1/mp_coordinator/app.py#L238-L246","label":"disclosure@vulncheck.com"},{"url":"https://github.com/LMCache/LMCache/blob/v0.5.5/lmcache/v1/mp_coordinator/config.py#L71","label":"disclosure@vulncheck.com"},{"url":"https://github.com/LMCache/LMCache/issues/5508","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/lmcache-through-0.5.5-missing-authentication-in-mp-coordinator-fleet-control-api","label":"disclosure@vulncheck.com"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"partial","timestamp":"2026-10-07T16:06:00.350584Z"},"ingestedAt":"2026-10-07T16:38:22.224Z","slug":"CVE-2026-107205","body":"## Overview\n\nLMCache through 0.5.5 contains a missing authentication vulnerability in the multiprocess coordinator that allows remote unauthenticated attackers to access its HTTP fleet control API listening on all interfaces by default. Attackers can register or deregister instances via /instances, overwrite quotas via /quota endpoints, inject events via /events, and enumerate /directory/keys to disrupt caching and disclose placement metadata.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":47,"depthScoreParts":{"impact":47.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}