Vulnerability DatabaseCVE-2026-107205
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CVE-2026-107205
Published:October 07, 2026
Updated:October 13, 2026
LMCache through 0.5.5 contains a missing authentication vulnerability in the multiprocess coordinator that allows remote unauthenticated attackers to access its HTTP fleet control API listening on all interfaces by default. Attackers can register or deregister instances via /instances, overwrite quotas via /quota endpoints, inject events via /events, and enumerate /directory/keys to disrupt caching and disclose placement metadata.
Related Resources (7)
https://www.vulncheck.com/advisories/lmcache-through-0.5.5-missing-authentication-in-mp-coordinator-fleet-control-api
https://github.com/LMCache/LMCache/issues/5508
https://github.com/LMCache/LMCache/blob/v0.5.5/lmcache/v1/mp_coordinator/config.py#L71
https://github.com/LMCache/LMCache
https://github.com/LMCache/LMCache/blob/v0.5.5/lmcache/v1/mp_coordinator/app.py#L238-L246
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/107xxx/CVE-2026-107205.json
https://nvd.nist.gov/vuln/detail/CVE-2026-107205
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CVSS v4
Base Score:
8.8
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
LOW
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
8.6
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
HIGH
Weakness Type (CWE)
Missing Authentication for Critical Function
CWE-306
EPSS
Base Score:
0.39