Origin Validation Error Affecting dotnet-host package, versions <0:10.0.12-1.el9_8


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.27% (20th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-RHEL9-DOTNETHOST-19969406
  • published20 Sept 2026
  • disclosed8 Sept 2026

Introduced: 8 Sep 2026

NewCVE-2026-58649  (opens in a new tab)
CWE-346  (opens in a new tab)

How to fix?

Upgrade RHEL:9 dotnet-host to version 0:10.0.12-1.el9_8 or higher.
This issue was patched in RHSA-2026:67613.

NVD Description

Note: Versions mentioned in the description apply only to the upstream dotnet-host package and not the dotnet-host package as distributed by RHEL. See How to fix? for RHEL:9 relevant fixed versions and status.

Origin validation error in .NET allows an unauthorized attacker to disclose information over a network.

CVSS Base Scores

version 3.1