CVE-2026-107206 json
LMCache through 0.5.5 Missing Authentication in MP HTTP Server Management API
published last mo. modified last mo. also EUVD-2026-94385
- cvss
- 9.4
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 48%
- public exploits
- 0
- none known
Summary
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.
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Check with FencerCISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- yes
- Technical impact
- partial
- Assessed
- last mo.
Exploit prediction
0.58% chance of exploitation in the next 30 days, higher than 48% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- github.com https://github.com/LMCache/LMCache/issues/5511 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 8.8 | 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 |
| CNA | 3.1 | 9.4 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H |
| CNA | 4.0 | 8.8 | 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
Affected products
- LMCache LMCache
Classification
- Weakness
-
- CWE-306 Missing Authentication for Critical Functionality
References
-
github.com
/LMCache/LMCache/issues/5511
issue-tracking, exploit
-
github.com
/LMCache/LMCache
product
-
github.com
/LMCache/LMCache/blob/v0.5.5/lmcache/v1/multiprocess/config.py#L206
technical-description
-
github.com
/LMCache/LMCache/blob/v0.5.5/lmcache/v1/internal_api_server/common/env_api.py#L13
technical-description
-
github.com
/LMCache/LMCache/blob/v0.5.5/lmcache/v1/multiprocess/http_apis/quota_api.py#L138-L155
technical-description
-
vulncheck.com
/advisories/lmcache-through-0.5.5-missing-authentication-in-mp-http-server-management-api
third-party-advisory
Sources
- CVE List CVE-2026-107206
- NVD CVE-2026-107206
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.