Critical severity9.4NVD Advisory· Published Oct 13, 2026· Updated Oct 13, 2026

CVE-2026-88092

Description

Inconsistent interpretation of http requests ('http request/response smuggling') in ASP.NET Core allows an unauthorized attacker to perform tampering over a network.

Affected products

Microsoft/ASP.NET Corellm-fuzzy

Patches

Vulnerability mechanics

References

github.com/advisories/GHSA-rv87-ccxw-8ggfghsaADVISORY
github.com/dotnet/announcements/issues/472ghsa
github.com/dotnet/aspnetcore/security/advisories/GHSA-rv87-ccxw-8ggfghsa
msrc.microsoft.com/update-guide/vulnerability/CVE-2026-88092nvd

News mentions

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cvss	0.611
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000