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HTTP Request Smuggling Affecting vllm-cu130 package, versions <0.28.0-r0

Severity

 Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.22% (13th percentile)

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  • Snyk IDSNYK-MINIMOSLATEST-VLLMCU130-19660803
  • published10 Sept 2026
  • disclosed2 Sept 2026
Report a new vulnerability Found a mistake?

Introduced: 2 Sep 2026

NewCVE-2026-84380  (opens in a new tab)
CWE-444  (opens in a new tab)

How to fix?

Upgrade Minimos:latest vllm-cu130 to version 0.28.0-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream vllm-cu130 package and not the vllm-cu130 package as distributed by Minimos. See How to fix? for Minimos:latest relevant fixed versions and status.

HTTPX2 is a next generation HTTP client for Python. Prior to 2.11.0, Request._prepare() in src/httpx2/httpx2/_models.py can add a body-derived Content-Length header to a request that already contains a caller-supplied Transfer-Encoding header because its setdefault() processing checks each default header independently rather than treating the two framing headers as mutually exclusive. Fixed-size byte, JSON, form, and known-length multipart bodies can therefore be serialized over HTTP/1.1 with both headers, allowing request smuggling or connection desynchronization when downstream intermediaries disagree about which framing header takes precedence. This issue is fixed in version 2.11.0.