UBUNTU-CVE-2026-47300

Advisory lineage Upstream: 1 Downstream: 1
Upstream
CVE-2026-47300
Downstream
USN-8553-1
Published: 14 Jul 2026, 00:00
Last modified:17 Jul 2026, 18:30

Vulnerability Summary

Overall Risk (default)
medium
35/100
CVSS Score
8.8 HIGH
3.1 (osv_ubuntu)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

14 Jul 2026, 00:00
Published
Vulnerability first disclosed
17 Jul 2026, 18:30
Last Modified
Vulnerability information updated

Description

Incorrect implementation of authentication algorithm in ASP.NET Core allows an authorized attacker to elevate privileges over a network.

CVSS Metrics

  • v3.1•HIGH•Score: 8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Systems

  • ubuntu•dotnet10

    < 10.0.110-10.0.10-0ubuntu1~24.04.1 | < 10.0.110-10.0.10-0ubuntu1~26.04.1

  • ubuntu•dotnet6

    all

  • ubuntu•dotnet7

    all

  • ubuntu•dotnet8

    < 8.0.129-8.0.29-0ubuntu1~22.04.1 | < 8.0.129-8.0.29-0ubuntu1~24.04.1

References (6)