CVE-2026-107207
highLMCache through 0.5.5 contains a server-side request forgery vulnerability in its frontend monitoring service that allows unauthenticated attackers to bypass t…
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://github.com/LMCache/LMCache disclosure@vulncheck.com
- https://github.com/LMCache/LMCache/blob/v0.5.5/lmcache/lmcache_frontend/app.py#L411-L428 disclosure@vulncheck.com
- https://github.com/LMCache/LMCache/blob/v0.5.5/lmcache/lmcache_frontend/app.py#L567-L604 disclosure@vulncheck.com
- https://github.com/LMCache/LMCache/issues/5512 disclosure@vulncheck.com
- https://www.vulncheck.com/advisories/lmcache-through-0.5.5-missing-authentication-in-front... disclosure@vulncheck.com
- https://github.com/LMCache/LMCache/issues/5512 134c704f-9b21-4f2e-91b3-4a467353bcc0
