by Kastro
Paper/Archive/CVE-2026-107206

CVE-2026-107206

LMCache LMCache — LMCache through 0.5.5 Missing Authentication in MP HTTP Server Management API

EPSS 0.6%public exploitCVSS 9.4
critical.is priorityof 100
48
CVSS 9.4 (CNA)9.4 / 10 × 3028.2Not in CISA KEV+300.0EPSS percentile 47.8.478 × 209.6Exploit: SSVC poc+1010.0SSVC exploitation: poc+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
LMCache≤ 0.5.5–CNA

Scores by source

VulnCheck (CNA)9.4CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H
VulnCheck (CNA)8.8CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:H/SC:N/SI:N/SA:N
CISA ADPSSVCExploitation: poc · Automatable: yes · Technical impact: partial

References

exploitgithub.com/LMCache/LMCache/issues/5511refgithub.com/LMCache/LMCachewriteupgithub.com/LMCache/LMCache/blob/v0.5.5/lmcache/v1/multiprocess/config.py#L206writeupgithub.com/LMCache/LMCache/blob/v0.5.5/lmcache/v1/internal_api_server/common/env_api.py#L13writeupgithub.com/LMCache/LMCache/blob/v0.5.5/lmcache/v1/multiprocess/http_apis/quota_api.py#L138-L155writeupvulncheck.com/advisories/lmcache-through-0.5.5-missing-authentication-in-mp-http-server-management-api