CVE-2026-105775

MEDIUM 4.3

vllm-project vLLM Completions Request mamba_mixer2.py conv_ssm_forward out-of-bounds

CVSS Score

4.3

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-125 CWE-119
Vendor	vllm-project
Product	vllm
Published	Oct 6, 2026

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CVSS v3 Breakdown

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

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

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

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

🔍 Zyz3366 (VulDB User) VulDB CNA Team