CVE-2026-107206: high-severity vulnerability in LMCache
LMCache through 0.5.5 Missing Authentication in MP HTTP Server Management API
Published
18Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.8
exploitation probability
—
observed exploitation
nono source reports it
LMCache through 0.5.5 contains a missing authentication vulnerability in the multiprocess mode HTTP server that allows remote unauthenticated attackers to access management endpoints listening on all interfaces by default. Attackers can read environment credentials via GET /env and configuration via GET /config, clear caches, delete cache objects, and modify tenant quotas to evict other tenants' cached data.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:H/SC:N/SI:N/SA:N
Affected products
LMCache · LMCacheRelated CVEs — LMCache
In the same product, most dangerous first.
CVE-2026-105192CRITICALLMCache Unauthenticated RCE in multiprocess mode via pickle deserializationEPSS 0.7%CVE-2026-107207MEDIUMLMCache through 0.5.5 Missing Authentication in Frontend Node Catalog Allows SSRF Allowlist BypassEPSS —CVE-2026-107205HIGHLMCache through 0.5.5 Missing Authentication in MP Coordinator Fleet Control APIEPSS —CVE-2026-107204CRITICALLMCache through 0.5.5 Unauthenticated RCE via /run_script EndpointEPSS —
References
https://github.com/LMCache/LMCachehttps://github.com/LMCache/LMCache/blob/v0.5.5/lmcache/v1/internal_api_server/common/env_api.py#L13https://github.com/LMCache/LMCache/blob/v0.5.5/lmcache/v1/multiprocess/config.py#L206https://github.com/LMCache/LMCache/blob/v0.5.5/lmcache/v1/multiprocess/http_apis/quota_api.py#L138-L155https://github.com/LMCache/LMCache/issues/5511https://www.vulncheck.com/advisories/lmcache-through-0.5.5-missing-authentication-in-mp-http-server-management-api