Quick answers
- Is CVE-2026-109468 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-109468 being exploited in the wild.
- How severe is CVE-2026-109468?
- High severity, with a CVSS score of 7.5, published 15 October 2026.
- Which products and versions are affected?
- Microsoft ASP.NET Core.
- Is there a fix for CVE-2026-109468?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-109468 attacked?
- It is attacked over the network.
- Am I affected by CVE-2026-109468?
- Check whether you run Microsoft Asp.Net Core. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
The vulnerability is a resource exhaustion flaw in ASP.NET Core that lacks proper limits or throttling on resource allocation. An unauthenticated attacker can send specially crafted network requests to trigger uncontrolled consumption of server resources (CPU, memory, connections, or similar), resulting in denial of service. The attack requires only network access and no authentication or user interaction.
Affected products
- Microsoft ASP.NET Core
Timeline
- 2026-10-15: disclosed