HTTP Response Splitting Affecting airflow-3 package, versions <3.2.1-r0


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.06% (18th percentile)

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  • Snyk IDSNYK-MINIMOSLATEST-AIRFLOW3-16169983
  • published23 Apr 2026
  • disclosed1 Apr 2026

Introduced: 1 Apr 2026

NewCVE-2026-34520  (opens in a new tab)
CWE-113  (opens in a new tab)

How to fix?

Upgrade Minimos:latest airflow-3 to version 3.2.1-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream airflow-3 package and not the airflow-3 package as distributed by Minimos. See How to fix? for Minimos:latest relevant fixed versions and status.

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, the C parser (the default for most installs) accepted null bytes and control characters in response headers. This issue has been patched in version 3.13.4.

CVSS Base Scores

version 3.1