Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network.
CVE-2026-26130
This high-severity CVE scores 7.5 under NVD CVSS v3. EPSS exploit probability: 3.6%, top 12% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- High severity, but no confirmed exploitation yet
A fix is available — apply it.
- CVSS v3
- 7.5
- EG Score
- 7.5(medium)
- EPSS
- 84.9%
- KEV
- Not listed
Published
March 10, 2026
Last Modified
June 30, 2026
Advisory Details (1)
Auto-updated Jun 23, 2026Security Update Guide - Microsoft Security Response Center
Security Update Guide - Microsoft Security Response Center. Patch available via Microsoft Security Update
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26130Vendor Advisories for CVE-2026-26130(10)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
- CVE-2026-26130Microsoft Security Response Center (MSRC)High
ASP.NET Core Denial of Service Vulnerability
- RHSA-2026:4456Red Hat Product SecurityHigh
Red Hat Security Advisory: .NET 9.0 security update
- RHSA-2026:4445Red Hat Product SecurityHigh
Red Hat Security Advisory: .NET 10.0 security update
- RHSA-2026:4454Red Hat Product SecurityHigh
Red Hat Security Advisory: .NET 8.0 security update
- RHSA-2026:4458Red Hat Product SecurityHigh
Red Hat Security Advisory: .NET 10.0 security update
- RHSA-2026:4455Red Hat Product SecurityHigh
Red Hat Security Advisory: .NET 8.0 security update
- RHSA-2026:4443Red Hat Product SecurityHigh
Red Hat Security Advisory: .NET 9.0 security update
- RHSA-2026:4451Red Hat Product SecurityHigh
Red Hat Security Advisory: .NET 8.0 security update
- +2 more
Patch Availability(15)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | netstandard-targeting-pack-2.1-9.0 (9.0.115-0ubuntu1~25.10.1) @ questing | 2026-06-12 | ubuntu |
| redhat | dotnet8.0-0:8.0.125-1.el9_6 | 2026-04-23 | redhat |
| redhat | dotnet9.0-0:9.0.115-1.el9_6 | 2026-04-23 | redhat |
| redhat | dotnet8.0-0:8.0.125-1.el10_0 | 2026-04-23 | redhat |
| redhat | dotnet8.0-0:8.0.125-1.el9_4 | 2026-04-23 | redhat |
| redhat | dotnet9.0-0:9.0.115-1.el10_0 | 2026-04-23 | redhat |
| redhat | dotnet9.0-0:9.0.115-1.el8_10 | 2026-03-12 | redhat |
| redhat | dotnet10.0-0:10.0.104-1.el9_7 | 2026-03-12 | redhat |
| redhat | dotnet9.0-0:9.0.115-1.el9_7 | 2026-03-12 | redhat |
| redhat | dotnet10.0-0:10.0.104-1.el10_1 | 2026-03-12 | redhat |
| redhat | dotnet10.0-0:10.0.104-1.el8_10 | 2026-03-12 | redhat |
| redhat | dotnet8.0-0:8.0.125-1.el9_7 | 2026-03-12 | redhat |
| redhat | dotnet8.0-0:8.0.125-1.el10_1 | 2026-03-12 | redhat |
| redhat | dotnet9.0-0:9.0.115-1.el10_1 | 2026-03-12 | redhat |
| redhat | dotnet8.0-0:8.0.125-1.el8_10 | 2026-03-12 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Affected Packages
(12 across 1 ecosystem)
NuGet(12)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| Microsoft.AspNetCore.App.Runtime.linux-arm | 10.0.0, 10.0.1, 10.0.2, 10.0.3 | 10.0.4 | — |
| Microsoft.AspNetCore.App.Runtime.linux-arm64 | 10.0.0, 10.0.1, 10.0.2, 10.0.3 | 10.0.4 | — |
| Microsoft.AspNetCore.App.Runtime.linux-musl-arm | 10.0.0, 10.0.1, 10.0.2, 10.0.3 | 10.0.4 | — |
| Microsoft.AspNetCore.App.Runtime.linux-musl-arm64 | 10.0.0, 10.0.1, 10.0.2, 10.0.3 | 10.0.4 | — |
| Microsoft.AspNetCore.App.Runtime.linux-musl-x64 | 10.0.0, 10.0.1, 10.0.2, 10.0.3 | 10.0.4 | — |
| Microsoft.AspNetCore.App.Runtime.linux-x64 | 10.0.0, 10.0.1, 10.0.2, 10.0.3 | 10.0.4 | — |
| Microsoft.AspNetCore.App.Runtime.osx-arm64 | 10.0.0, 10.0.1, 10.0.2, 10.0.3 | 10.0.4 | — |
| Microsoft.AspNetCore.App.Runtime.osx-x64 | 10.0.0, 10.0.1, 10.0.2, 10.0.3 | 10.0.4 | — |
| Microsoft.AspNetCore.App.Runtime.win-arm | — | 10.0.4 | — |
| Microsoft.AspNetCore.App.Runtime.win-arm64 | 10.0.0, 10.0.1, 10.0.2, 10.0.3 | 10.0.4 | — |
| Microsoft.AspNetCore.App.Runtime.win-x64 | 10.0.0, 10.0.1, 10.0.2, 10.0.3 | 10.0.4 | — |
| Microsoft.AspNetCore.App.Runtime.win-x86 | 10.0.0, 10.0.1, 10.0.2, 10.0.3 | 10.0.4 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Additional Vendor Advisories
(6)
Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.
- Red HatRHSA-2026:10082IMPORTANT2026-03-10
RHSA-2026:10082 — Important
- Red HatRHSA-2026:10083IMPORTANT2026-03-10
RHSA-2026:10083 — Important
- Red HatRHSA-2026:10084IMPORTANT2026-03-10
RHSA-2026:10084 — Important
- Red HatRHSA-2026:10085IMPORTANT2026-03-10
RHSA-2026:10085 — Important
- Red HatRHSA-2026:10091IMPORTANT2026-03-10
RHSA-2026:10091 — Important
- UbuntuUSN-8085-1MEDIUM
.NET vulnerabilities
Data Freshness Timeline
(refreshed 9× in last 7d / 45× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 103 total refreshes for this CVE.
- 2026-07-11 08:27 UTCEPSS rescore
- 2026-07-09 19:10 UTCEPSS rescore
- 2026-07-08 15:15 UTCEPSS rescore
- 2026-07-08 15:15 UTCEPSS rescore
- 2026-07-07 13:46 UTCEPSS rescore
- 2026-07-06 16:27 UTCEPSS rescore
- 2026-07-06 16:27 UTCEPSS rescore
- 2026-07-06 02:23 UTCEPSS rescore
- 2026-07-06 02:23 UTCEPSS rescore
- 2026-07-05 02:30 UTCEPSS rescore
- 2026-07-04 06:31 UTCEPSS rescore
- 2026-07-04 06:31 UTCEPSS rescore
- 2026-07-01 15:06 UTCEPSS rescore
- 2026-07-01 15:06 UTCEPSS rescore
- 2026-06-30 23:22 UTCEPSS rescore
- 2026-06-30 23:22 UTCEPSS rescore
- 2026-06-29 14:06 UTCEPSS rescore
- 2026-06-28 14:07 UTCEPSS rescore
- 2026-06-28 14:07 UTCEPSS rescore
- 2026-06-28 04:56 UTCEPSS rescore
- 2026-06-28 04:56 UTCEPSS rescore
- 2026-06-27 03:08 UTCEPSS rescore
- 2026-06-25 13:49 UTCEPSS rescore
- 2026-06-25 13:49 UTCEPSS rescore
- 2026-06-24 14:05 UTCEPSS rescore
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- 2026-06-24 14:05 UTCEPSS rescore
- 2026-06-23 21:33 UTCEPSS rescore
- 2026-06-23 21:32 UTCEPSS rescore
- 2026-06-22 14:25 UTCEPSS rescore
- 2026-06-22 14:25 UTCEPSS rescore
- 2026-06-21 14:56 UTCEPSS rescore
- 2026-06-21 14:56 UTCEPSS rescore
- 2026-06-21 01:59 UTCEPSS rescore
- 2026-06-21 01:59 UTCEPSS rescore
- 2026-06-19 19:25 UTCEPSS rescore
- 2026-06-19 19:25 UTCEPSS rescore
- 2026-06-18 17:52 UTCEPSS rescore
- 2026-06-17 17:53 UTCEPSS rescore
- 2026-06-17 17:53 UTCEPSS rescore
- 2026-06-16 17:52 UTCEPSS rescore
- 2026-06-15 17:48 UTCEPSS rescore
- 2026-06-14 23:18 UTCEPSS rescore
- 2026-06-13 23:00 UTCEPSS rescore
- 2026-06-12 23:12 UTCEPSS rescore
- 2026-06-12 23:12 UTCEPSS rescore
- 2026-06-12 00:27 UTCEG score recompute
- 2026-06-12 00:27 UTCVendor advisory
- 2026-06-11 14:00 UTCEPSS rescore
- 2026-06-10 22:18 UTCEPSS rescore
- 2026-06-10 22:18 UTCEPSS rescore
- 2026-06-10 19:20 UTCEG score recompute
- 2026-06-10 19:20 UTCVendor advisory
- 2026-06-10 13:22 UTCEPSS rescore
- 2026-06-10 06:18 UTCEG score recompute
- 2026-06-10 06:18 UTCVendor advisory
- 2026-06-09 17:07 UTCEG score recompute
- 2026-06-09 17:07 UTCVendor advisory
- 2026-06-08 14:17 UTCEPSS rescore
- 2026-06-08 14:17 UTCEPSS rescore
- 2026-06-08 04:11 UTCEG score recompute
- 2026-06-08 04:11 UTCVendor advisory
- 2026-06-07 15:25 UTCEPSS rescore
- 2026-06-07 15:25 UTCEPSS rescore
- 2026-06-07 15:25 UTCEPSS rescore
- 2026-06-07 15:06 UTCEG score recompute
- 2026-06-07 15:06 UTCVendor advisory
- 2026-06-06 13:47 UTCEPSS rescore
- 2026-06-06 13:47 UTCEPSS rescore
- 2026-06-05 22:47 UTCEPSS rescore
- 2026-06-05 22:47 UTCEPSS rescore
- 2026-06-04 13:12 UTCEPSS rescore
- 2026-06-04 13:12 UTCEPSS rescore
- 2026-06-02 20:13 UTCEPSS rescore
- 2026-06-02 20:13 UTCEPSS rescore
- 2026-05-31 22:30 UTCEPSS rescore
- 2026-05-31 22:30 UTCEPSS rescore
- 2026-05-31 00:16 UTCEPSS rescore
- 2026-05-31 00:16 UTCEPSS rescore
- 2026-05-29 13:44 UTCEPSS rescore
- 2026-05-29 13:44 UTCEPSS rescore
- 2026-05-28 13:44 UTCEPSS rescore
- 2026-05-28 13:44 UTCEPSS rescore
- 2026-05-28 13:44 UTCEPSS rescore
- 2026-05-27 13:40 UTCEPSS rescore
- 2026-05-27 13:40 UTCEPSS rescore
- 2026-05-27 13:40 UTCEPSS rescore
- 2026-05-26 13:44 UTCEPSS rescore
- 2026-05-26 13:44 UTCEPSS rescore
- 2026-05-26 07:18 UTCEPSS rescore
- 2026-05-26 07:18 UTCEPSS rescore
- 2026-05-26 07:18 UTCEPSS rescore
- 2026-05-24 16:59 UTCEPSS rescore
- 2026-05-23 15:21 UTCEPSS rescore
- 2026-05-23 00:09 UTCEG score recompute
- 2026-05-20 22:38 UTCEPSS rescore
- 2026-05-20 22:38 UTCEPSS rescore
- 2026-05-20 22:37 UTCEPSS rescore
- 2026-05-20 21:29 UTCEG score recompute
- 2026-05-20 21:29 UTCVendor advisory
- 2026-05-20 11:22 UTCEPSS rescore
Frequently asked(5)
What is CVE-2026-26130?
When was CVE-2026-26130 disclosed?
Is CVE-2026-26130 actively exploited?
What is the CVSS score of CVE-2026-26130?
How do I remediate CVE-2026-26130?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-26130
Is Your Infrastructure Affected by CVE-2026-26130?
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