AIKIDO-2026-573554
lmcache is vulnerable to Remote Code Execution (RCE)
98
Critical Risk
This Affects:
lmcacheTL;DR
DeviceIPCWrapper.Deserialize unpickles payloads from the unauthenticated multiprocess transport while the request is still being decoded. A client that can reach that socket can run code as the LMCache process. No released version stops accepting those pickled messages.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range and multiprocess mode exposes its transport socket to untrusted clients.
Background info
lmcache is vulnerable to Remote Code Execution (RCE) in versions 0.3.9 - 0.5.5.
How to fix this
There is no patched release yet. Do not expose the multiprocess transport socket to untrusted clients until a release stops deserializing messages with pickle.loads.
Links
Other
github.com/LMCache/LMCachegithub.com/LMCache/LMCache/blob/v0.3.9/lmcache/v1/multiprocess/custom_types.pygithub.com/LMCache/LMCache/blob/v0.5.5/lmcache/v1/platform/base/ipc_wrapper.py
pypi.org/project/lmcache/
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