CVE-2026-26130
What it is
Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network.
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of service disruption.
- Exploit odds
- 3.2% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 3.2% in the next 30 days (EPSS).
- Severity: 7.5 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 3.2% · EPSS, next 30 days
- Weakness
- CWE-770 · Allocation without limits
- Record status
- Modified
Affected
- Microsoft asp.net Core < 8.0.25
- Microsoft asp.net Core < 9.0.14
- Microsoft asp.net Core < 10.0.4
Attack profile CVSS 3.1 · 7.5
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Raw vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2026-26130.md and follow it. Check whether this project is affected by CVE-2026-26130. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26130
- https://access.redhat.com/errata/RHSA-2026:10082
- https://access.redhat.com/errata/RHSA-2026:10083
- https://access.redhat.com/errata/RHSA-2026:10084
- https://access.redhat.com/errata/RHSA-2026:10085
- https://access.redhat.com/errata/RHSA-2026:10091
- https://access.redhat.com/errata/RHSA-2026:4443
- https://access.redhat.com/errata/RHSA-2026:4445
- https://access.redhat.com/errata/RHSA-2026:4450
- https://access.redhat.com/errata/RHSA-2026:4451
- https://access.redhat.com/errata/RHSA-2026:4453
- https://access.redhat.com/errata/RHSA-2026:4454
- https://access.redhat.com/errata/RHSA-2026:4455
- https://access.redhat.com/errata/RHSA-2026:4456
- https://access.redhat.com/errata/RHSA-2026:4458
- https://access.redhat.com/security/cve/CVE-2026-26130
- https://bugzilla.redhat.com/show_bug.cgi?id=2446134
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-26130.json