Critical 9.4Published Oct 7, 2026

CVE-2026-107206LMCache through 0.5.5 Missing Authentication in MP HTTP Server Management API

Updated under an hour ago (2026-10-19 07:30 UTC)

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It affects LMCache. Add what you run to find out whether that includes you.

EPSS puts the chance of exploitation in the next 30 days at 0.58%, higher than 47% of scored CVEs.

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Exploited in the last 30 days

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: 9.4 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H
Weakness (CWE): CWE-306
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): 0.58% (percentile 47)
Assigned by: VulnCheck
NVD analysis: Deferred
Record last updated: Oct 7, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

LMCache LMCache lmcache:lmcache (from the name)	through 0.5.5	CNA record

References

https://github.com/LMCache/LMCache/issues/5511issue-tracking
https://github.com/LMCache/LMCacheproduct
https://github.com/LMCache/LMCache/blob/v0.5.5/lmcache/v1/multiprocess/config.py#L206technical-description
https://github.com/LMCache/LMCache/blob/v0.5.5/lmcache/v1/internal_api_server/common/env_api.py#L13technical-description
https://github.com/LMCache/LMCache/blob/v0.5.5/lmcache/v1/multiprocess/http_apis/quota_api.py#L138-L155technical-description
https://www.vulncheck.com/advisories/lmcache-through-0.5.5-missing-authentication-in-mp-http-server-management-apithird-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.