CVE-2024-9053 Remote Code Execution in vllm-project/vllm
Attackers can execute arbitrary code by sending malicious pickle data to the RPC server, affecting users of the vllm library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-9053?
CVE-2024-9053 is a critical unsafe deserialization vulnerability in vllm-project/vllm, published on 20 Mar 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
vllm-project vllm version 0.6.0 contains a vulnerability in the AsyncEngineRPCServer() RPC server entrypoints. The core functionality run_server_loop() calls the function _make_handler_coro(), which directly uses cloudpickle.loads() on received messages without any sanitization. This can result in remote code execution by deserializing malicious pickle data.
Which versions are affected by CVE-2024-9053?
3 open source packages ship an affected version, including vllm. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
vllm PyPI | All versions to 0.6.0 | None |
vllm PyPI | All versions to 0.6.0 | None |
vllm PyPI | All versions to 0.6.0 | None |
Products include Vllm-Project Vllm.
How do I fix CVE-2024-9053?
No fix has been published for CVE-2024-9053 yet. Limit exposure of the affected software until one is available.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2024-9053 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-9053 exists.
Sources
Also known as GHSA-cj47-qj6g-x7r4, PYSEC-2025-222.