Alpine: multiple aspnetcore9-runtime packages, multiple dotnet-host packages: security update to 9.0.18-r0

critical Tenable Cloud Security Plugin ID 444865

Description

There are packages installed that are affected by multiple vulnerabilities referenced in the following CVEs:

- Improper verification of cryptographic signature in .NET allows an unauthorized attacker to bypass a
security feature over a network. (CVE-2026-47304)

- Incorrect implementation of authentication algorithm in ASP.NET Core allows an authorized attacker to
elevate privileges over a network. (CVE-2026-47300)

- Allocation of resources without limits or throttling in .NET allows an unauthorized attacker to deny
service over a network. (CVE-2026-47302)

- Authentication bypass by assumed-immutable data in ASP.NET Core allows an authorized attacker to elevate
privileges over a network. (CVE-2026-47303)

Solution

Update the aspnetcore9-runtime library and its related packages to version 9.0.18-r0 or later.

Plugin Details

Severity: Critical

ID: 444865

Version: Revision 1.5

Type: Local

Family: Alpine Linux Local Security Checks

Published: 7/20/2026

Updated: 8/5/2026

Supported Sensors: Agentless Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Medium

Score: 6.9

Percentile: 96.83

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2026-47304

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Vulnerability Publication Date: 7/14/2026

Reference Information

CVE: CVE-2026-47300, CVE-2026-47302, CVE-2026-47303, CVE-2026-47304, CVE-2026-50524, CVE-2026-50525, CVE-2026-50526, CVE-2026-50527, CVE-2026-50528, CVE-2026-50646, CVE-2026-50648, CVE-2026-50649, CVE-2026-50650, CVE-2026-50651, CVE-2026-50659, CVE-2026-56158, CVE-2026-57108

Detections

Analytics