What’s Vulnerable › Vulnerabilities

CVE-2026-114055: vLLM 0.7.3 before 0.31.0 DoS via Unvalidated mm_processor_kwargs

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-21 · updated 2026-10-26
• Weakness: CWE-400

Description

vLLM from 0.7.3 before 0.31.0 contains an uncontrolled resource consumption vulnerability that allows remote clients to control multimodal processor parameters by supplying per-request mm_processor_kwargs. Attackers can set large image size, patch count, crop count, or frame count values in Isaac, InternVL, H2OVL, and other processors to exhaust memory and terminate the shared server.

Affected products

• vllm-project vllm: from 0.7.3 before 0.31.0 — fixed in 0.31.0

How to fix

Upgrade to a fixed version: vllm-project vllm 0.31.0. Check the vendor advisory for mitigations.

References

• https://github.com/vllm-project/vllm/security/advisories/GHSA-gx7p-2j49-hfq4
• https://www.vulncheck.com/advisories/vllm-0.7.3-before-0.31.0-dos-via-unvalidated-mm-processor-kwargs

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