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TI-2026-33390 Aliases CVE-2026-45646GHSA-x6c8-x7c4-fpqr

OData for ASP.NET and 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 AspNet.OData (Microsoft): 7.8.0AspNetCore.OData (Microsoft): 9.5.0[SX1]

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
MicrosoftAspNet.OData7.0.0 to before 7.8.07.8.0Patch availableCNA
MicrosoftAspNetCore.OData9.0.0 to before 9.5.0[SX1]9.5.0[SX1]Patch availableCNA
  • AspNet.OData VendorMicrosoft Affected 7.0.0 to before 7.8.0 Fixed in 7.8.0 Patch available CNA
  • AspNetCore.OData VendorMicrosoft Affected 9.0.0 to before 9.5.0[SX1] Fixed in 9.5.0[SX1] Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:microsoft:asp.net_core_odata:*:*:*:*:*:*:*:*before 9.5.0VulnerableMicrosoft
cpe:2.3:a:microsoft:odata_web_api:*:*:*:*:*:*:*:*before 7.8.0VulnerableMicrosoft
  • cpe:2.3:a:microsoft:asp.net_core_odata:*:*:*:*:*:*:*:* Versions before 9.5.0 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:odata_web_api:*:*:*:*:*:*:*:* Versions before 7.8.0 Vulnerable ·Microsoft

Remediation

  • Fix · CNA AspNet.OData (Microsoft) Fixed in 7.8.0
  • Fix · CNA AspNetCore.OData (Microsoft) Fixed in 9.5.0[SX1]

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat Hardened Images

Microsoft

Microsoft's page for this CVE →

Impact
Denial of Service
Exploited
No
Publicly disclosed
No
Exploitability
Exploitation Less Likely
ProductStatusPlan or fix
Microsoft.AspNet.ODataFixed 7.8.0 · Security Update
Microsoft.AspNetCore.ODataFixed 9.5.0[SX1] · Security Update

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-45646
  2. 2026-10-03 Alias added: GHSA-x6c8-x7c4-fpqr

References

Patch 1

  • TI-2026-41087 ASP.NET Core Denial of Service Vulnerability CVSS 3.1HIGH 7.5
  • TI-2026-37242 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