What’s Vulnerable › Vulnerabilities

CVE-2026-105775: vllm-project vLLM Completions Request mamba_mixer2.py conv_ssm_forward out-of-bounds

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-06 · updated 2026-10-09
• Weakness: CWE-119

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

• vllm-project vllm: 0.1, 0.2, 0.3, 0.4, 0.5, 0.6 (+25)

References

• https://github.com/vllm-project/vllm/
• https://github.com/vllm-project/vllm/issues/57266
• https://vuldb.com/cve/CVE-2026-105775
• https://vuldb.com/submit/992291
• https://vuldb.com/vuln/413808
• https://vuldb.com/vuln/413808/cti

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