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10 vulnerabilities by LMCache
CVE-2026-107207 (GCVE-0-2026-107207)
Vulnerability from nvd – Published: 2026-10-07 15:24 – Updated: 2026-10-07 15:24
VLAI
EPSS
VEX
Title
LMCache through 0.5.5 Missing Authentication in Frontend Node Catalog Allows SSRF Allowlist Bypass
Summary
LMCache through 0.5.5 contains a server-side request forgery vulnerability in its frontend monitoring service that allows unauthenticated attackers to bypass the proxy allowlist by registering arbitrary hosts. Attackers can add entries via POST /api/proxies and then use /proxy or /proxy2 to reach internal hosts, read responses, and tamper with nodes or stop the heartbeat.
Severity
CWE
- CWE-306 - Missing Authentication for Critical Function
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/LMCache/LMCache/issues/5512 | issue-tracking |
| https://github.com/LMCache/LMCache | product |
| https://github.com/LMCache/LMCache/blob/v0.5.5/lm… | technical-description |
| https://github.com/LMCache/LMCache/blob/v0.5.5/lm… | technical-description |
| https://www.vulncheck.com/advisories/lmcache-thro… | third-party-advisory |
Date Public
2026-10-06 00:00
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CVE-2026-107206 (GCVE-0-2026-107206)
Vulnerability from nvd – Published: 2026-10-07 15:24 – Updated: 2026-10-07 16:13
VLAI
EPSS
VEX
Title
LMCache through 0.5.5 Missing Authentication in MP HTTP Server Management API
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.
Severity
9.4 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-07 16:12 UTC
CWE
- CWE-306 - Missing Authentication for Critical Function
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://github.com/LMCache/LMCache/issues/5511 | issue-tracking |
| https://github.com/LMCache/LMCache | product |
| https://github.com/LMCache/LMCache/blob/v0.5.5/lm… | technical-description |
| https://github.com/LMCache/LMCache/blob/v0.5.5/lm… | technical-description |
| https://github.com/LMCache/LMCache/blob/v0.5.5/lm… | technical-description |
| https://www.vulncheck.com/advisories/lmcache-thro… | third-party-advisory |
Date Public
2026-10-06 00:00
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CVE-2026-107205 (GCVE-0-2026-107205)
Vulnerability from nvd – Published: 2026-10-07 15:24 – Updated: 2026-10-07 17:04
VLAI
EPSS
VEX
Title
LMCache through 0.5.5 Missing Authentication in MP Coordinator Fleet Control API
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-07 16:06 UTC
CWE
- CWE-306 - Missing Authentication for Critical Function
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/LMCache/LMCache/issues/5508 | issue-tracking |
| https://github.com/LMCache/LMCache | product |
| https://github.com/LMCache/LMCache/blob/v0.5.5/lm… | technical-description |
| https://github.com/LMCache/LMCache/blob/v0.5.5/lm… | technical-description |
| https://www.vulncheck.com/advisories/lmcache-thro… | third-party-advisory |
Date Public
2026-10-06 00:00
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CVE-2026-107204 (GCVE-0-2026-107204)
Vulnerability from nvd – Published: 2026-10-07 15:24 – Updated: 2026-10-07 17:09
VLAI
EPSS
VEX
Title
LMCache through 0.5.5 Unauthenticated RCE via /run_script Endpoint
Summary
LMCache through 0.5.5 contains an unauthenticated remote code execution vulnerability that allows remote attackers to execute Python code by posting scripts to the /run_script endpoint. Attackers can recover real builtins through the injected FastAPI app object, bypassing the guarded __import__, to import os and run operating system commands as the LMCache process.
Severity
9.8 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-07 17:08 UTC
CWE
- CWE-306 - Missing Authentication for Critical Function
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/LMCache/LMCache/issues/5510 | issue-tracking |
| https://github.com/LMCache/LMCache | product |
| https://github.com/LMCache/LMCache/blob/v0.5.5/lm… | technical-description |
| https://github.com/LMCache/LMCache/blob/v0.5.5/lm… | technical-description |
| https://www.vulncheck.com/advisories/lmcache-thro… | third-party-advisory |
Date Public
2026-10-06 00:00
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CVE-2026-105192 (GCVE-0-2026-105192)
Vulnerability from nvd – Published: 2026-10-07 09:40 – Updated: 2026-10-07 09:40
VLAI
EPSS
VEX
Title
LMCache Unauthenticated RCE in multiprocess mode via pickle deserialization
Summary
LMCache multiprocess mode, also called distributed mode, opens an unauthenticated ZeroMQ ROUTER so worker processes can register and share KV cache blocks. Messages on that socket are msgpack. Extension code 1 is passed to DeviceIPCWrapper.Deserialize, which calls pickle.loads, while the server is still decoding request arguments and before the handler runs. A single unauthenticated ZMQ DEALER message to the transport port (default 5555) therefore executes code as the user the LMCache process runs as. Official container images run that process as root. The transport binds to localhost unless the operator sets a routable address with --host, which is how multi-node deployments let peers connect.
Severity
9.8 (Critical)
CWE
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/LMCache/LMCache | product |
| https://pypi.org/project/lmcache/ | product |
| https://github.com/LMCache/LMCache/blob/v0.5.5/lm… | technical-description |
| https://github.com/LMCache/LMCache/blob/v0.3.9/lm… | technical-description |
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CVE-2026-107207 (GCVE-0-2026-107207)
Vulnerability from cvelistv5 – Published: 2026-10-07 15:24 – Updated: 2026-10-07 15:24
VLAI
EPSS
VEX
Title
LMCache through 0.5.5 Missing Authentication in Frontend Node Catalog Allows SSRF Allowlist Bypass
Summary
LMCache through 0.5.5 contains a server-side request forgery vulnerability in its frontend monitoring service that allows unauthenticated attackers to bypass the proxy allowlist by registering arbitrary hosts. Attackers can add entries via POST /api/proxies and then use /proxy or /proxy2 to reach internal hosts, read responses, and tamper with nodes or stop the heartbeat.
Severity
CWE
- CWE-306 - Missing Authentication for Critical Function
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/LMCache/LMCache/issues/5512 | issue-tracking |
| https://github.com/LMCache/LMCache | product |
| https://github.com/LMCache/LMCache/blob/v0.5.5/lm… | technical-description |
| https://github.com/LMCache/LMCache/blob/v0.5.5/lm… | technical-description |
| https://www.vulncheck.com/advisories/lmcache-thro… | third-party-advisory |
Date Public
2026-10-06 00:00
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CVE-2026-107206 (GCVE-0-2026-107206)
Vulnerability from cvelistv5 – Published: 2026-10-07 15:24 – Updated: 2026-10-07 16:13
VLAI
EPSS
VEX
Title
LMCache through 0.5.5 Missing Authentication in MP HTTP Server Management API
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.
Severity
9.4 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-07 16:12 UTC
CWE
- CWE-306 - Missing Authentication for Critical Function
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://github.com/LMCache/LMCache/issues/5511 | issue-tracking |
| https://github.com/LMCache/LMCache | product |
| https://github.com/LMCache/LMCache/blob/v0.5.5/lm… | technical-description |
| https://github.com/LMCache/LMCache/blob/v0.5.5/lm… | technical-description |
| https://github.com/LMCache/LMCache/blob/v0.5.5/lm… | technical-description |
| https://www.vulncheck.com/advisories/lmcache-thro… | third-party-advisory |
Date Public
2026-10-06 00:00
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CVE-2026-107205 (GCVE-0-2026-107205)
Vulnerability from cvelistv5 – Published: 2026-10-07 15:24 – Updated: 2026-10-07 17:04
VLAI
EPSS
VEX
Title
LMCache through 0.5.5 Missing Authentication in MP Coordinator Fleet Control API
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-07 16:06 UTC
CWE
- CWE-306 - Missing Authentication for Critical Function
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/LMCache/LMCache/issues/5508 | issue-tracking |
| https://github.com/LMCache/LMCache | product |
| https://github.com/LMCache/LMCache/blob/v0.5.5/lm… | technical-description |
| https://github.com/LMCache/LMCache/blob/v0.5.5/lm… | technical-description |
| https://www.vulncheck.com/advisories/lmcache-thro… | third-party-advisory |
Date Public
2026-10-06 00:00
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CVE-2026-107204 (GCVE-0-2026-107204)
Vulnerability from cvelistv5 – Published: 2026-10-07 15:24 – Updated: 2026-10-07 17:09
VLAI
EPSS
VEX
Title
LMCache through 0.5.5 Unauthenticated RCE via /run_script Endpoint
Summary
LMCache through 0.5.5 contains an unauthenticated remote code execution vulnerability that allows remote attackers to execute Python code by posting scripts to the /run_script endpoint. Attackers can recover real builtins through the injected FastAPI app object, bypassing the guarded __import__, to import os and run operating system commands as the LMCache process.
Severity
9.8 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-07 17:08 UTC
CWE
- CWE-306 - Missing Authentication for Critical Function
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/LMCache/LMCache/issues/5510 | issue-tracking |
| https://github.com/LMCache/LMCache | product |
| https://github.com/LMCache/LMCache/blob/v0.5.5/lm… | technical-description |
| https://github.com/LMCache/LMCache/blob/v0.5.5/lm… | technical-description |
| https://www.vulncheck.com/advisories/lmcache-thro… | third-party-advisory |
Date Public
2026-10-06 00:00
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CVE-2026-105192 (GCVE-0-2026-105192)
Vulnerability from cvelistv5 – Published: 2026-10-07 09:40 – Updated: 2026-10-07 09:40
VLAI
EPSS
VEX
Title
LMCache Unauthenticated RCE in multiprocess mode via pickle deserialization
Summary
LMCache multiprocess mode, also called distributed mode, opens an unauthenticated ZeroMQ ROUTER so worker processes can register and share KV cache blocks. Messages on that socket are msgpack. Extension code 1 is passed to DeviceIPCWrapper.Deserialize, which calls pickle.loads, while the server is still decoding request arguments and before the handler runs. A single unauthenticated ZMQ DEALER message to the transport port (default 5555) therefore executes code as the user the LMCache process runs as. Official container images run that process as root. The transport binds to localhost unless the operator sets a routable address with --host, which is how multi-node deployments let peers connect.
Severity
9.8 (Critical)
CWE
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/LMCache/LMCache | product |
| https://pypi.org/project/lmcache/ | product |
| https://github.com/LMCache/LMCache/blob/v0.5.5/lm… | technical-description |
| https://github.com/LMCache/LMCache/blob/v0.3.9/lm… | technical-description |
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