USN-8740-1 dotnet8, dotnet10 vulnerabilities

Weeraphat Srisutham discovered that the .NET watch BrowserRefreshServer did not properly validate cross-origin WebSocket connections. An attacker could possibly use this issue to expose sensitive information. CVE-2026-58649 Rajesh Chada discovered that the .NET watch AspireServerService improperl...

USN-8740-1: .NET vulnerabilities

Weeraphat Srisutham discovered that the .NET watch BrowserRefreshServer did not properly validate cross-origin WebSocket connections. An attacker could possibly use this issue to expose sensitive information. CVE-2026-58649 Rajesh Chada discovered that the .NET watch AspireServerService improperl...

Ubuntu 22.04 LTS / 24.04 LTS / 26.04 LTS / Pro Realtime 22.04 LTS / Pro Realtime 24.04 LTS : .NET vulnerabilities (USN-8740-1)

The remote Ubuntu 22.04 LTS / 24.04 LTS / 26.04 LTS / Pro Realtime 22.04 LTS / Pro Realtime 24.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8740-1 advisory. Weeraphat Srisutham discovered that the .NET watch BrowserRefreshServer did not...

CVE-2026-58649

Origin validation error in .NET allows an unauthorized attacker to disclose information over a network. Mitigation Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment,...