Riskcovery

CVE-2025-55315

ASP.NET Security Feature Bypass Vulnerability

State
Published
Severity
9.9 Critical
Published
Oct 14, 2025
Updated
Feb 22, 2026
Reserved
Aug 12, 2025

Read the record on cve.org

Description

Inconsistent interpretation of http requests ('http request/response smuggling') in ASP.NET Core allows an authorized attacker to bypass a security feature over a network.

Scores

CVSSScoreVectorSource
3.19.9 CriticalCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L/E:U/RL:O/RC:Cmicrosoft

Weaknesses

  • CWE-444 Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')

Affected Products

ProductVersions
ASP.NET Core 2.3Microsoft
  • 2.3 to before 2.3.6Affected
ASP.NET Core 8.0Microsoft
  • 8.0 to before 8.0.21Affected
ASP.NET Core 9.0Microsoft
  • 9.0 to before 9.0.10Affected
Microsoft Visual Studio 2022 version 17.10Microsoft
  • 17.10.0 to before 17.10.20Affected
Microsoft Visual Studio 2022 version 17.12Microsoft
  • 17.12.0 to before 17.12.13Affected
Microsoft Visual Studio 2022 version 17.14Microsoft
  • 17.14.0 to before 17.14.17Affected

References

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