Out-of-Bounds Read Vulnerability in vLLM by vllm-project
CVE-2026-105775

5.3MEDIUM

Key Information:

Vendor: Vllm-project
Status: Vllm
Vendor: CVE Published:; 6 October 2026

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👾 Exploit Exists🟡 Public PoC

What is CVE-2026-105775?

A security vulnerability has been identified in the vLLM software developed by vllm-project, specifically within the Completions Request Handler's conv_ssm_forward function. The flaw allows for out-of-bounds reading of memory, posing a significant security risk. This vulnerability can be exploited remotely, potentially enabling unauthorized access to sensitive information. Despite being notified about the issue through an issue report, vllm-project has yet to provide a response or fix. The exploit has been publicly disclosed, increasing the urgency for users to be aware of this vulnerability and take necessary precautions.

Affected Version(s)

vLLM 0.1

vLLM 0.2

vLLM 0.3

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-105775 - Proof of Concept