CVE-2026-34514

Updated on 01 Apr 2026

Severity

2.7 Low severity

Details

CVSS score
2.7
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Overview

About vulnerability

Summary

An attacker who controls the content_type parameter in aiohttp could use this to inject extra headers or similar exploits.

Impact

If an application allows untrusted data to be used for the multipart content_type parameter when constructing a request, an attacker may be able to manipulate the request to send something other than what the developer intended.


Patch: https://github.com/aio-libs/aiohttp/commit/9a6ada97e2c6cf1ce31727c6c9fcea17c21f6f06

Details

Affected packages:
aiohttp @ 3.8.4.post4+tuxcare (+3 more)

Fixes