CVE-2026-107207
High
Description
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.
SeverityHigh
CVSS7.2
Exploit probability22. percentile0.3%
ProductLMCache
PublishedOct 7, 2026
First seenOct 7, 2026
Weakness typeCWE-306Missing authentication for critical function
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| LMCache LMCache | v ≤ 0.5.5 | — |
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