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Vulnerable Software

Vulnerability Details CVE-2026-5497

vLLM versions 0.8.0 and later are vulnerable to an Out-of-Memory (OOM) Denial of Service (DoS) attack due to unbounded frame count processing in the `VideoMediaIO.load_base64()` method. When processing `video/jpeg` data URLs, the method splits the base64 data string on commas to extract individual JPEG frames without enforcing a frame count limit. An attacker can exploit this by crafting a single API request containing thousands of comma-separated base64-encoded JPEG frames in a data URL, causing the server to decode all frames into memory and crash due to excessive memory consumption. This vulnerability is reachable via the OpenAI-compatible chat completions API and does not require authentication.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 26.4%
CVSS Severity
CVSS v3 Score 7.5
Products affected by CVE-2026-5497
  • Vllm » Vllm » Version: 0.10.0
    cpe:2.3:a:vllm:vllm:0.10.0
  • Vllm » Vllm » Version: 0.10.1
    cpe:2.3:a:vllm:vllm:0.10.1
  • Vllm » Vllm » Version: 0.10.1.1
    cpe:2.3:a:vllm:vllm:0.10.1.1
  • Vllm » Vllm » Version: 0.10.2
    cpe:2.3:a:vllm:vllm:0.10.2
  • Vllm » Vllm » Version: 0.11.0
    cpe:2.3:a:vllm:vllm:0.11.0
  • Vllm » Vllm » Version: 0.11.1
    cpe:2.3:a:vllm:vllm:0.11.1
  • Vllm » Vllm » Version: 0.11.2
    cpe:2.3:a:vllm:vllm:0.11.2
  • Vllm » Vllm » Version: 0.12.0
    cpe:2.3:a:vllm:vllm:0.12.0
  • Vllm » Vllm » Version: 0.13.0
    cpe:2.3:a:vllm:vllm:0.13.0
  • Vllm » Vllm » Version: 0.14.0
    cpe:2.3:a:vllm:vllm:0.14.0
  • Vllm » Vllm » Version: 0.14.1
    cpe:2.3:a:vllm:vllm:0.14.1
  • Vllm » Vllm » Version: 0.15.0
    cpe:2.3:a:vllm:vllm:0.15.0
  • Vllm » Vllm » Version: 0.15.1
    cpe:2.3:a:vllm:vllm:0.15.1
  • Vllm » Vllm » Version: 0.15.2
    cpe:2.3:a:vllm:vllm:0.15.2
  • Vllm » Vllm » Version: 0.16.0
    cpe:2.3:a:vllm:vllm:0.16.0
  • Vllm » Vllm » Version: 0.16.1
    cpe:2.3:a:vllm:vllm:0.16.1
  • Vllm » Vllm » Version: 0.17.0
    cpe:2.3:a:vllm:vllm:0.17.0
  • Vllm » Vllm » Version: 0.17.1
    cpe:2.3:a:vllm:vllm:0.17.1
  • Vllm » Vllm » Version: 0.17.2
    cpe:2.3:a:vllm:vllm:0.17.2
  • Vllm » Vllm » Version: 0.18.0
    cpe:2.3:a:vllm:vllm:0.18.0
  • Vllm » Vllm » Version: 0.18.1
    cpe:2.3:a:vllm:vllm:0.18.1
  • Vllm » Vllm » Version: 0.18.2
    cpe:2.3:a:vllm:vllm:0.18.2
  • Vllm » Vllm » Version: 0.8.0
    cpe:2.3:a:vllm:vllm:0.8.0
  • Vllm » Vllm » Version: 0.8.1
    cpe:2.3:a:vllm:vllm:0.8.1
  • Vllm » Vllm » Version: 0.8.2
    cpe:2.3:a:vllm:vllm:0.8.2
  • Vllm » Vllm » Version: 0.8.3
    cpe:2.3:a:vllm:vllm:0.8.3
  • Vllm » Vllm » Version: 0.8.4
    cpe:2.3:a:vllm:vllm:0.8.4
  • Vllm » Vllm » Version: 0.8.5
    cpe:2.3:a:vllm:vllm:0.8.5
  • Vllm » Vllm » Version: 0.9.0
    cpe:2.3:a:vllm:vllm:0.9.0
  • Vllm » Vllm » Version: 0.9.0.1
    cpe:2.3:a:vllm:vllm:0.9.0.1
  • Vllm » Vllm » Version: 0.9.1
    cpe:2.3:a:vllm:vllm:0.9.1
  • Vllm » Vllm » Version: 0.9.2
    cpe:2.3:a:vllm:vllm:0.9.2


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