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TI-2026-41087 Aliases CVE-2026-57099GHSA-7whw-q9mg-h337

ASP.NET Core Denial of Service Vulnerability

Priority MEDIUM 41CWE-770Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from Microsoft.

Summary

Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01174 67th percentileScored 2026-11-07
Fix Fixed AspNetCore.OData (Microsoft): 7.8.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
MicrosoftAspNetCore.OData9.0.0 to before 7.8.17.8.1Patch availableCNA
  • AspNetCore.OData VendorMicrosoft Affected 9.0.0 to before 7.8.1 Fixed in 7.8.1 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:microsoft:asp.net_core_odata:*:*:*:*:*:*:*:*before 7.8.1VulnerableMicrosoft
  • cpe:2.3:a:microsoft:asp.net_core_odata:*:*:*:*:*:*:*:* Versions before 7.8.1 Vulnerable ·Microsoft

Remediation

  • Fix · CNA AspNetCore.OData (Microsoft) Fixed in 7.8.1

Vendor assessments

Microsoft

Microsoft's page for this CVE →

Impact
Denial of Service
Exploited
No
Publicly disclosed
No
Exploitability
Exploitation Less Likely
ProductStatusPlan or fix
Microsoft.AspNetCore.ODataFixed 7.8.1 · Security Update

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-57099
  2. 2026-10-03 Alias added: GHSA-7whw-q9mg-h337

References

Patch 1

  • TI-2026-37242 OData for ASP.NET and ASP.NET Core Denial of Service Vulnerability CVSS 3.1HIGH 7.5
  • TI-2026-33390 OData for ASP.NET and ASP.NET Core Denial of Service Vulnerability CVSS 3.1HIGH 7.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences