CyberSecBulletin

Python-hyper vulnerabilities

We track 1 vulnerability in Python-hyper products. 1 is rated high or critical, and none are known to be exploited. The most recent was published on April 24, 2025.

1vulnerabilities
1critical
0high
0exploited
9.1average CVSS score

Latest Python-hyper vulnerabilities

  • 9.1 Critical severity

    h11: Inconsistent Interpretation of HTTP Requests

    CVE-2025-43859Python-hyper

    h11 is a Python implementation of HTTP/1.1. Prior to version 0.16.0, a leniency in h11's parsing of line terminators in chunked-coding message bodies can lead to request smuggling vulnerabilities under certain conditions. This issue has been patched in version