CVE-2025-71379

Vulnerability summary: vLLM versions 0.6.3–0.8.x (i.e.,

EUVD-2025-210290

vLLM versions = 0.6.3 and 0.9.0 contain multiple regular expression denial of service ReDoS vulnerabilities. Several regex patterns — in vllm/lora/utils.py, the phi4mini tool parser, and the OpenAI-compatible serving chat endpoint — are susceptible to catastrophic backtracking. An attacker...

aana (>=0.2.1 <=0.2.2.2), acai-swarm (=0.1.0) +218 more potentially affected by CVE-2026-9540 via vllm (>=0.10.0 <=0.9.2)

vllm PYPI version =0.10.0, =0.2.1, =1.2.1, =0.0.0, =2.3.5, =0.0.7, =0.0.1b1, =0.1.15, =0.2.4, =1.0.0, =1.0.14 and more Source cves: CVE-2026-9540 Source advisory: SNYK:PYTHON-VLLM-16887889...

vLLM: extract_hidden_states speculative decoding crashes server on any request with penalty parameters

Summary The extracthiddenstates speculative decoding proposer in vLLM returns a tensor with an incorrect shape after the first decode step, causing a RuntimeError that crashes the EngineCore process. The crash is triggered when any request in the batch uses sampling penalty parameters...

PT-2026-3865

Name of the Vulnerable Software and Affected Versions vLLM versions 0.10.1 through 0.13.x Description vLLM is an inference and serving engine for large language models LLMs. The software loads Hugging Face auto map dynamic modules during model resolution without verifying trust remote code. This...

PT-2025-23227 · Vllm · Vllm

Name of the Vulnerable Software and Affected Versions: vLLM versions 0.8.0 through 0.8.x Description: The issue is a Denial of Service ReDoS that causes the vLLM server to crash if an invalid regex is provided while using structured output. This is similar to a previously identified issue, but it...

PT-2025-18215 · Vllm +1 · Vllm +1

Name of the Vulnerable Software and Affected Versions: vLLM versions 0.5.2 through 0.8.5 Description: The issue affects vLLM, a high-throughput and memory-efficient inference and serving engine for LLMs. In a multi-node vLLM deployment, vLLM uses ZeroMQ for some multi-node communication purposes,...

PT-2025-6000 · Vllm +1 · Vllm +1

Name of the Vulnerable Software and Affected Versions: vLLM versions prior to 0.7.2 Description: Maliciously constructed statements can lead to hash collisions, resulting in cache reuse, which can interfere with subsequent responses and cause unintended behavior. The issue arises from the use of...