HTTP Request Smuggling Affecting dotnet-8 package, versions <8.0.121-r0


Severity

Recommended
0.0
critical
0
10

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Threat Intelligence

Exploit Maturity
Proof of Concept
EPSS
65.94% (100th percentile)

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  • Snyk IDSNYK-CHAINGUARDLATEST-DOTNET8-13833275
  • published4 Nov 2025
  • disclosed14 Oct 2025

Introduced: 14 Oct 2025

CVE-2025-55315  (opens in a new tab)
CWE-444  (opens in a new tab)

How to fix?

Upgrade Chainguard dotnet-8 to version 8.0.121-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream dotnet-8 package and not the dotnet-8 package as distributed by Chainguard. See How to fix? for Chainguard relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1