CVE-2026-105775
vllm-project vLLM Completions Request mamba_mixer2.py conv_ssm_forward out-of-bounds
- State
- Published
- Severity
- 5.3 Medium
- Published
- Oct 6, 2026
- Updated
- Oct 9, 2026
- Reserved
- Oct 5, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.3 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 4.3 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:C | VulDB |
| 3.0 | 4.3 Medium | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:C | VulDB |
| 2.0 | 4.0 Medium | AV:N/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:C | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
vLLMvllm-project |
|
References
- VDB-413808 | vllm-project vLLM Completions Request mamba_mixer2.py conv_ssm_forward out-of-boundsvdb-entrytechnical-description
- VDB-413808 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- CVE-2026-105775 | CVE Analysis and Reportthird-party-advisory
- Submit #992291 | vllm-project vLLM v0.27.1 Denial of Servicethird-party-advisory
- https://github.com/vllm-project/vllm/issues/57266exploitissue-tracking
- https://github.com/vllm-project/vllm/product
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