Vulnerability in Vllm
CVE-2026-44222
vLLM is an inference and serving engine for large language models (LLMs). From 0.6.1 to before 0.20.0, there is a a Token Injection vulnerability in vLLM’s multimodal processing. Unauthenticated, text-only prompts that spell special tokens…
EPSS: 0.000 (3.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Vllm
- Vllm-project Vllm — versions >= 0.6.1, < 0.20.0
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_MISC, Issue Tracking)
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-44222?
- CVE-2026-44222 is a medium-severity vulnerability in Vllm, classified under Improper Validation of Array Index. CVSS score: 6.5/10. Published 2026-05-12.
- How severe is CVE-2026-44222?
- Medium severity. CVSS v3 base score is 6.5 out of 10.