Detections
Analytics

Linux Distros Unpatched Vulnerability : CVE-2026-62899

medium Nessus Plugin ID 334660

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Synopsis

The Linux/Unix host has one or more packages installed with a vulnerability that the vendor indicates will not be patched.

Description

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

 - Inconsistent interpretation of http requests ('http request/response smuggling') in .NET allows an unauthorized attacker to bypass a security feature over a network. (CVE-2026-62899)

Note that Nessus relies on the presence of the package as reported by the vendor.

Solution

There is no known solution at this time.

See Also

https://access.redhat.com/security/cve/cve-2026-62899

https://ubuntu.com/security/CVE-2026-62899

Plugin Details

Severity: Medium

ID: 334660

File Name: unpatched_CVE_2026_62899.nasl

Version: 1.10

Type: Local

Agent: unix

Family: Misc.

Published: 8/12/2026

Updated: 10/23/2026

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.66

CVSS v2

Risk Factor: Medium

Base Score: 5.4

Temporal Score: 4.6

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

CVSS Score Source: CVE-2026-62899

CVSS v3

Risk Factor: Medium

Base Score: 5.9

Temporal Score: 5.4

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

Temporal Vector: CVSS:3.0/E:U/RL:U/RC:C

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:22.04:-:lts, cpe:/o:centos:centos:8, cpe:/o:redhat:enterprise_linux:10, cpe:/o:redhat:enterprise_linux:8, cpe:/o:redhat:enterprise_linux:9, p-cpe:/a:canonical:ubuntu_linux:dotnet6, p-cpe:/a:canonical:ubuntu_linux:dotnet7, p-cpe:/a:centos:centos:aspnetcore-runtime-11.0, p-cpe:/a:centos:centos:aspnetcore-runtime-dbg-11.0, p-cpe:/a:centos:centos:aspnetcore-targeting-pack-11.0, p-cpe:/a:centos:centos:dotnet-apphost-pack-11.0, p-cpe:/a:centos:centos:dotnet-host, p-cpe:/a:centos:centos:dotnet-hostfxr-11.0, p-cpe:/a:centos:centos:dotnet-runtime-11.0, p-cpe:/a:centos:centos:dotnet-runtime-dbg-11.0, p-cpe:/a:centos:centos:dotnet-sdk-11.0-source-built-artifacts, p-cpe:/a:centos:centos:dotnet-sdk-11.0, p-cpe:/a:centos:centos:dotnet-sdk-aot-11.0, p-cpe:/a:centos:centos:dotnet-sdk-dbg-11.0, p-cpe:/a:centos:centos:dotnet-targeting-pack-11.0, p-cpe:/a:centos:centos:dotnet-templates-11.0, p-cpe:/a:centos:centos:dotnet11.0, p-cpe:/a:centos:centos:dotnet, p-cpe:/a:redhat:enterprise_linux:aspnetcore-runtime-11.0, p-cpe:/a:redhat:enterprise_linux:aspnetcore-runtime-dbg-11.0, p-cpe:/a:redhat:enterprise_linux:aspnetcore-targeting-pack-11.0, p-cpe:/a:redhat:enterprise_linux:dotnet-apphost-pack-11.0, p-cpe:/a:redhat:enterprise_linux:dotnet-host, p-cpe:/a:redhat:enterprise_linux:dotnet-hostfxr-11.0, p-cpe:/a:redhat:enterprise_linux:dotnet-runtime-11.0, p-cpe:/a:redhat:enterprise_linux:dotnet-runtime-dbg-11.0, p-cpe:/a:redhat:enterprise_linux:dotnet-sdk-11.0-source-built-artifacts, p-cpe:/a:redhat:enterprise_linux:dotnet-sdk-11.0, p-cpe:/a:redhat:enterprise_linux:dotnet-sdk-aot-11.0, p-cpe:/a:redhat:enterprise_linux:dotnet-sdk-dbg-11.0, p-cpe:/a:redhat:enterprise_linux:dotnet-targeting-pack-11.0, p-cpe:/a:redhat:enterprise_linux:dotnet-templates-11.0, p-cpe:/a:redhat:enterprise_linux:dotnet11.0, p-cpe:/a:redhat:enterprise_linux:dotnet

Required KB Items: Host/local_checks_enabled, Host/cpu, global_settings/vendor_unpatched, Host/OS/identifier

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 8/11/2026

Reference Information

CVE: CVE-2026-62899