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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| vllm-project | vLLM | 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 0.10, 0.11, 0.12, 0.13, 0.14, 0.15, 0.16, 0.17, 0.18, 0.19, 0.20, 0.21, 0.22, 0.23, 0.24, 0.25, 0.26, 0.27, 0.28, 0.29, 0.30, 0.31.0 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | python-vllm | 0.30.0-2.1 | openSUSE-SU-2026:12120-1 |
Advisories 1
- openSUSE-SU-2026:12120-1 python313-vllm-0.30.0-2.1 on GA media SUSE / openSUSE Security Updates · Oct 14, 2026
References
- VDB-413808 | vllm-project vLLM Completions Request mamba_mixer2.py conv_ssm_forward out-of-bounds vdb-entry technical-description
- VDB-413808 | CTI Indicators (IOB, IOC, IOA) signature permissions-required
- CVE-2026-105775 | CVE Analysis and Report third-party-advisory
- Submit #992291 | vllm-project vLLM v0.27.1 Denial of Service third-party-advisory
- https://github.com/vllm-project/vllm/issues/57266 exploit issue-tracking
- https://github.com/vllm-project/vllm/ product