CVE-2026-107206
LMCache through 0.5.5 contains a missing authentication vulnerability in the multiprocess mode HTTP…
- Risk score
- 71/100
- CVSS
- 9.4 v3.1
- Exploit chance (30 days)
- 0.6%
- Published
- 7 Oct 2026
Open in the live forecast Today's forecast
What to know
- What it is
- 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…
- Affected
- See advisory
- Fix
- Apply the vendor's security update; see the linked advisory.
- Exploitation
- No known exploitation
Why it is Amber
- CVSS 9.4 critical
- Remotely exploitable without logging in
References
- https://github.com/LMCache/LMCache
- https://github.com/LMCache/LMCache/blob/v0.5.5/lmcache/v1/internal_api_server/common/env_api.py#L13
- 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/multiprocess/http_apis/quota_api.py#L138-L155
- https://github.com/LMCache/LMCache/issues/5511
- 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
Original 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.
Last activity 7 Oct 2026. Patch Forecast updates every hour.