RCE in Vllm-project Vllm

CVE-2026-41523

vLLM is an inference and serving engine for large language models (LLMs). Prior to 0.22.0, an assert-based security check in vLLM's activation function loading allows any unauthenticated attacker to achieve arbitrary code execution on the…

Vulnerability class: RCE (Remote Code Execution)

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-41523?
CVE-2026-41523 is a high-severity vulnerability in Vllm-project Vllm, classified under Code Injection. CVSS score: 7.5/10. Published 2026-06-22.
How severe is CVE-2026-41523?
High severity. CVSS v3 base score is 7.5 out of 10.