PyPi: Fschat

CVE-2024-11603

Safety vulnerability ID: 76270

This vulnerability was reviewed by experts

The information on this page was manually curated by our Cybersecurity Intelligence Team.

Created at Mar 20, 2025 Updated at Sep 20, 2025
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Advisory

Affected versions of the vllm-project vLLM package are vulnerable to Remote Code Execution (RCE). The MessageQueue.dequeue() API function fails to sanitize user input before deserialization, using pickle.loads to parse received socket data, directly leading to arbitrary code execution. An unauthenticated attacker can exploit this vulnerability by sending a specially crafted malicious pickle payload to the MessageQueue service, resulting in the execution of arbitrary code with the same privileges as the vLLM application process.

Affected package

fschat

Latest version: 0.2.36

An open platform for training, serving, and evaluating large language model based chatbots.

Affected versions

Fixed versions

Vulnerability changelog

This vulnerability has no description

Resources

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Severity Details

CVSS Base Score

HIGH 7.5

CVSS v3 Details

HIGH 7.5
Attack Vector (AV)
NETWORK
Attack Complexity (AC)
LOW
Privileges Required (PR)
NONE
User Interaction (UI)
NONE
Scope (S)
UNCHANGED
Confidentiality Impact (C)
HIGH
Integrity Impact (I)
NONE
Availability Availability (A)
NONE