PT-2026-26328

CVE-2026-25667

·

Published

2026-03-19

·

Updated

2026-06-03

Description by

CVSS 3.1
7.5
High
MetricsAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Name of the Vulnerable Software and Affected Versions ASP.NET Core versions prior to 8.0.22 ASP.NET Core versions prior to 9.0.11
Description A remote attacker can cause excessive CPU consumption by sending a crafted QUIC packet. This is due to an incorrect exit condition for HTTP/3 Encoder/Decoder stream processing within the Kestrel component.
Recommendations Update ASP.NET Core to version 8.0.22 or later. Update ASP.NET Core to version 9.0.11 or later.
Exploitability
Exploit
Fix
Impacts
Researchers
Vendors
Affected products
Related identifiers
BIT-DOTNET-2026-25667
BIT-DOTNET-SDK-2026-25667
Found an issue in the description? Have something to add? Feel free to write us 👾