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.

References (7)

Core 7
Core References
Vdb Entry, Technical Description vdb-entry technical-description
VDB-359740 | vllm KV Block kv_cache_interface.py has_mamba_layers uninitialized resource
https://vuldb.com/vuln/359740
Signature, Permissions Required signature permissions-required
VDB-359740 | CTI Indicators (IOB, IOC, IOA)
https://vuldb.com/vuln/359740/cti
Third Party Advisory third-party-advisory
Submit #801297 | vllm-project vLLM 0.19.0 Use of Uninitialized Resource
https://vuldb.com/submit/801297

Scores

CVSS v3 5.6
EPSS 0.0029
EPSS Percentile 20.3%
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 (21)
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 11 more
Published Apr 27, 2026
Tracked Since Apr 27, 2026