UpHeron
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Servers and applications

CVE-2025-55315

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.

Severity
Critical 9.9
Published
14 Oct 2025
Last changed
18 Oct 2026
Added to UpHeron
22 Oct 2026
Fixed in
2.3.6, 8.0.21, 9.0.10
Sources
NVD

Affected software

SoftwareAffected versions
.NETServers and applications · cpe:a:microsoft:asp.net_core
  • From 2.3.0 before 2.3.6
  • From 8.0.0 before 8.0.21
  • From 9.0.0 before 9.0.10

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2025-55315
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2025-55315