Improper Input Validation Affecting python311-aiohttp package, versions <3.9.3-150400.10.43.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.39% (31st percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-SLES157-PYTHON311AIOHTTP-18290847
  • published24 Jul 2026
  • disclosed23 Jul 2026

Introduced: 23 Jul 2026

CVE-2026-34525  (opens in a new tab)
CWE-20  (opens in a new tab)
CWE-444  (opens in a new tab)

How to fix?

Upgrade SLES:15.7 python311-aiohttp to version 3.9.3-150400.10.43.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python311-aiohttp package and not the python311-aiohttp package as distributed by SLES. See How to fix? for SLES:15.7 relevant fixed versions and status.

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, multiple Host headers were allowed in aiohttp. This issue has been patched in version 3.13.4.

CVSS Base Scores

version 3.1