CVE-2026-7141

MEDIUM

vllm KV Block kv_cache_interface.py has_mamba_layers uninitialized resource

Title source: cna
STIX 2.1

Description

A vulnerability was found in vllm up to 0.19.0. The affected element is the function has_mamba_layers of the file vllm/v1/kv_cache_interface.py of the component KV Block Handler. Performing a manipulation results in uninitialized resource. It is possible to initiate the attack remotely. The attack is considered to have high complexity. The exploitability is described as difficult. The exploit has been made public and could be used. The patch is named 1ad67864c0c20f167929e64c875f5c28e1aad9fd. To fix this issue, it is recommended to deploy a patch.

Scores

CVSS v3 5.6
EPSS 0.0005
EPSS Percentile 14.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-908
Status published
Products (19)
None/vllm 0.1
None/vllm 0.10
None/vllm 0.11
None/vllm 0.12
None/vllm 0.13
None/vllm 0.14
None/vllm 0.15
None/vllm 0.16
None/vllm 0.17
None/vllm 0.18
... and 9 more
Published Apr 27, 2026
Tracked Since Apr 27, 2026