Resource exhaustion in Vllm-project Vllm
CVE-2026-73559
vLLM is an inference and serving engine for large language models. From 0.19.0 until 0.26.0, the /v1/completions CompletionRequest.prompt field in vllm/entrypoints/openai/completion/protocol.py accepts an unbounded list[str] or list[list[i…
Vulnerability class: DoS (Denial of Service)
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-project Vllm — versions >= 0.19.0, < 0.26.0
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-73559?
- CVE-2026-73559 is a medium-severity vulnerability in Vllm-project Vllm, classified under Uncontrolled Resource Consumption. CVSS score: 6.5/10. Published 2026-08-13.
- How severe is CVE-2026-73559?
- Medium severity. CVSS v3 base score is 6.5 out of 10.