GCD AI RADAR
incidents/AIR-2026-0220

CVE-2026-103241: Denial of service vulnerability in vLLM

Attack on AI3 Confirmed exploitationInfrastructure vulnerability

A flaw in vLLM allows remote attackers to cause a denial of service via a vulnerability in the Gemma4 parser. An exploit has been published, and users are advised to upgrade.

Details

type
Attack on AI
An AI model, agent or AI-powered product was the thing exploited, abused or leaked.
categories
  • Infrastructure vulnerability
    CVEs and advisories in AI frameworks, inference servers, MCP servers, AI developer tools and hosting stacks.
owasp llm top 10
mitre atlas
no technique for these categories
Both rows are derived from the type and categories (OWASP 2025 edition, ATLAS release 2026.09), not classified per record. How
severity
3 · Confirmed exploitation
Used against real targets; limited or unclear impact.
targets
Framework / tooling
products
vLLM
incident date
30 Sep 2026
first reported
30 Sep 2026
origin
NVD
Vulnerability record from NVD / the GitHub Advisory Database. This product uses the NVD API but is not endorsed or certified by the NVD.
classifier confidence
0.95 · published at or above 0.80; see the methodology
tags
CVE-2026-103241 · denial-of-service · vllm
record
created 2026-10-18 06:33Z · updated 2026-10-18 06:33Z · json

Sources · 1

  1. 2026-09-30
    CVE-2026-103241: A flaw has been found in vllm-project vLLM up to 0.26.0.
    NVD · nvd.nist.gov/vuln/detail/CVE-2026-103241

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