CVE-2026-107206

high

Description

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.

References

https://www.vulncheck.com/advisories/lmcache-through-0.5.5-missing-authentication-in-mp-http-server-management-api

https://github.com/LMCache/LMCache/issues/5511

https://github.com/LMCache/LMCache/blob/v0.5.5/lmcache/v1/multiprocess/http_apis/quota_api.py#L138-L155

https://github.com/LMCache/LMCache/blob/v0.5.5/lmcache/v1/multiprocess/config.py#L206

https://github.com/LMCache/LMCache/blob/v0.5.5/lmcache/v1/internal_api_server/common/env_api.py#L13

https://github.com/LMCache/LMCache

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-94385

Details

Source: Mitre, NVD

Published: 2026-10-07

Updated: 2026-10-07

Risk Information

CVSS v2

Base Score: 9.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:P/A:C

Severity: High

CVSS v3

Base Score: 9.4

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H

Severity: Critical

CVSS v4

Base Score: 8.8

Vector: 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

Severity: High

EPSS

EPSS: 0.00584