CVE-2026-26130

HIGHNVD 7.57.5—

7.5

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

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 88.0%
KEV: Not listed

Published

March 10, 2026

Last Modified

April 2, 2026

References (1)

secure@microsofthttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26130

Vendor Advisories for CVE-2026-26130(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

CVE-2026-26130
Microsoft Security Response Center (MSRC)High
ASP.NET Core Denial of Service Vulnerability

Patch Availability(15)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
ubuntu	netstandard-targeting-pack-2.1-8.0 (8.0.125-0ubuntu1~22.04.1) @ jammy	2026-05-20	ubuntu
redhat	dotnet9.0-0:9.0.115-1.el9_6	2026-04-23	redhat
redhat	dotnet9.0-0:9.0.115-1.el10_0	2026-04-23	redhat
redhat	dotnet8.0-0:8.0.125-1.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	dotnet8.0-0:8.0.125-1.el10_1	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	dotnet9.0-0:9.0.115-1.el9_7	2026-03-12	redhat
redhat	dotnet9.0-0:9.0.115-1.el10_1	2026-03-12	redhat
redhat	dotnet9.0-0:9.0.115-1.el8_10	2026-03-12	redhat
redhat	dotnet8.0-0:8.0.125-1.el8_10	2026-03-12	redhat
redhat	dotnet10.0-0:10.0.104-1.el9_7	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	—

Additional Vendor Advisories

(15)

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.

Data Freshness Timeline

(refreshed 11× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:13 UTCepss_batch
2026-06-02 20:13 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-29 13:44 UTCepss_batch
2026-05-29 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-26 13:44 UTCepss_batch
2026-05-26 13:44 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-24 16:59 UTCepss_batch

Frequently asked(5)

What is CVE-2026-26130?

CVE-2026-26130 is a high vulnerability published on March 10, 2026. Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network.

When was CVE-2026-26130 disclosed?

CVE-2026-26130 was first published in the National Vulnerability Database on March 10, 2026, with the most recent update on April 2, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-26130 actively exploited?

CVE-2026-26130 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 88.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-26130?

CVE-2026-26130 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2026-26130?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-26130, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-26130

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CVE-2026-26130

📅 Published

🔄 Last Modified

🔗 References (1)

📣 Vendor Advisories for CVE-2026-26130(1)