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CVE-2026-7141
Published:April 27, 2026
Updated:May 18, 2026
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.
Affected Packages
vllm (CONDA):
Affected version(s) >=0.8.3 <0.19.1
Fix Suggestion:
Update to version 0.19.1
https://github.com/vllm-project/vllm.git (GITHUB):
Affected version(s) >=v0.1.0 <v0.19.1
Fix Suggestion:
Update to version v0.19.1
vllm (PYTHON):
Affected version(s) >=0.0.1 <0.19.1
Fix Suggestion:
Update to version 0.19.1
vllm (PYTHON):
Affected version(s) >=0.0.1 <0.19.1
Fix Suggestion:
Update to version 0.19.1
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CVSS v4
Base Score:
6.3
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
LOW
Vulnerable System Availability
LOW
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
Exploit Maturity
POC
CVSS v3
Base Score:
5.6
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
LOW
Exploit Maturity
PROOF-OF-CONCEPT
Weakness Type (CWE)
Use of Uninitialized Resource
EPSS
Base Score:
0.07