Inefficient Algorithmic Complexity Affecting vllm package, versions [0.26.0,]


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.39% (33rd percentile)

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  • Snyk IDSNYK-PYTHON-VLLM-19883594
  • published17 Sept 2026
  • disclosed16 Sept 2026
  • creditUnknown

Introduced: 16 Sep 2026

NewCVE-2026-92365  (opens in a new tab)
CWE-407  (opens in a new tab)

How to fix?

A fix was pushed into the master branch but not yet published.

Overview

vllm is an A high-throughput and memory-efficient inference and serving engine for LLMs

Affected versions of this package are vulnerable to Inefficient Algorithmic Complexity in the thinking_budget_state.py file. An attacker can cause excessive resource consumption by submitting specially crafted input that triggers inefficient processing.

References

CVSS Base Scores

version 4.0
version 3.1