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Algorithmic Complexity Affecting vllm-cu130 package, versions <0.27.0-r0

Severity

 Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.32% (25th percentile)

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  • Snyk IDSNYK-MINIMOSLATEST-VLLMCU130-19660510
  • published10 Sept 2026
  • disclosed2 Sept 2026
Report a new vulnerability Found a mistake?

Introduced: 2 Sep 2026

NewCVE-2026-84378  (opens in a new tab)
CWE-407  (opens in a new tab)

How to fix?

Upgrade Minimos:latest vllm-cu130 to version 0.27.0-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. From 2.5.0 until 2.10.0, the HTTPX2 Server-Sent Events parser in src/httpx2/httpx2/_sse.py repeatedly copies and rescans buffered text in _SSELineDecoder.decode() when an attacker-controlled or compromised SSE endpoint splits one unterminated line across many response chunks. The behavior affects httpx2.Client.sse() and httpx2.AsyncClient.sse(), and the total processing work grows quadratically with the line length, allowing a crafted stream to consume excessive CPU and block a synchronous worker or asynchronous event loop. This issue is fixed in version 2.10.0.