Medium severity · published Oct 6, 2026
CVE-2026-105775
vllm-project vLLM Completions Request mamba_mixer2.py conv_ssm_forward out-of-bounds
4.3
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 22% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
VL
vLLM · vllm-project
0.1; 0.2; 0.3; 0.4; 0.5; 0.6; +25 more · source: vendor
Affected product
VL
vLLM
vllm-project
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