CVE-2026-105775— vllm-project vLLM Completions Request mamba_mixer2.py conv_ssm_forward out-of-bounds
Quick assessment
Affected
vllm-project vLLM
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
在 vllm-project 的 vLLM 项目（最高至 0.31.0 版本）中发现了一个安全漏洞。该漏洞影响组件“Completions Request Handler”中文件 中的 函数。此漏洞可导致越界读取（out-of-bounds read）。攻击者可以远程实施该攻击。相关利用代码已被公开披露，可被利用。项目方已通过问题报告（issue report）提前获知该问题，但截至目前尚未作出回应。
Possible ATT&CK Techniques 2 AI
T1210 · Exploitation of Remote Services T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2026-105775
Vulnerability Information
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Vulnerability Title
vllm-project vLLM Completions Request mamba_mixer2.py conv_ssm_forward out-of-bounds
Source: CVE Program / CVE List V5
Vulnerability Description
A security vulnerability has been detected in vllm-project vLLM up to 0.31.0. This impacts the function conv_ssm_forward of the file vllm/model_executor/layers/mamba/mamba_mixer2.py of the component Completions Request Handler. The manipulation leads to out-of-bounds read. The attack is possible to be carried out remotely. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| vllm-project | vLLM | 0.1 |
cpe:2.3:a:vllm-project:vllm:*:*:*:*:*:*:*:*
|
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II. Public POCs for CVE-2026-105775
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-105775 (1)
Vendor Pages for CVE-2026-105775 (1)
Other References for CVE-2026-105775 (4)
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https://vuldb.com/cve/CVE-2026-105775 third-party-advisory
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https://vuldb.com/submit/992291 third-party-advisory
IV. Related Vulnerabilities
Same product: vLLM
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CVE-2026-105760
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CVE-2026-105758
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CVE-2026-105757
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CVE-2026-105756
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Same vendor: vllm-project
-
CVE-2026-105760
vLLM: GLMGA video sampling permits request-driven CPU and me -
CVE-2026-105759
vLLM: Unbounded Prometheus label cardinality from attacker-c -
CVE-2026-105758
vLLM: Qwen2-VL / Qwen3-VL video samplers bound on request-co -
CVE-2026-105757
vLLM: Structured-output request errors escape the request bo -
CVE-2026-105756
vLLM: Loose `cache_salt` validation lets a single request ki
Same weakness: CWE-125
-
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V. Comments for CVE-2026-105775
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