AI and data stack advisories

Severe, 6 weeks1496Projects326

1496 severe, 6 weeks · 326 projects

vLLMGHSA-x368-4g9h-fvv4

vLLM makes Use of Uninitialized Resource

vLLM

CVE-2026-7141 · Published Apr 27, 2026 · updated Sep 10, 2026

Low5.6
Fix: upgrade to 0.19.1 or later
GitHub advisory

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 versions

PackageAffectedFixed in
vllm
PyPI
< 0.19.10.19.1
Details and references

More vLLM advisories

All vLLM