Detections
Analytics
Linux Distros Unpatched Vulnerability : CVE-2026-35388
low Nessus Plugin ID 304829
Language:
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.- OpenSSH before 10.3 omits connection multiplexing confirmation for proxy-mode multiplexing sessions.
(CVE-2026-35388)
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-2026-35388
Plugin Details
Severity: Low
ID: 304829
File Name: unpatched_CVE_2026_35388.nasl
Version: 1.6
Type: Local
Agent: unix
Family: Misc.
Published: 4/4/2026
Updated: 4/23/2026
Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus
Risk Information
VPR
Risk Factor: Low
Score: 2.9
CVSS v3
Risk Factor: Low
Base Score: 2.5
Temporal Score: 2.3
Vector: CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N
Temporal Vector: CVSS:3.0/E:U/RL:U/RC:C
CVSS Score Source: CVE-2026-35388
Vulnerability Information
CPE: cpe:/o:canonical:ubuntu_linux:20.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:openssh, p-cpe:/a:redhat:enterprise_linux:openssh-cavs, cpe:/o:canonical:ubuntu_linux:24.04:-:lts, cpe:/o:redhat:enterprise_linux:6, p-cpe:/a:centos:centos:openssh-ldap, cpe:/o:debian:debian_linux:12.0, p-cpe:/a:centos:centos:openssh-server, cpe:/o:canonical:ubuntu_linux:25.10, p-cpe:/a:centos:centos:openssh-clients, p-cpe:/a:centos:centos:openssh-server-sysvinit, cpe:/o:redhat:enterprise_linux:9, p-cpe:/a:debian:debian_linux:openssh, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, p-cpe:/a:redhat:enterprise_linux:openssh, cpe:/o:centos:centos:8, p-cpe:/a:centos:centos:openssh-keysign, p-cpe:/a:redhat:enterprise_linux:openssh-keycat, p-cpe:/a:redhat:enterprise_linux:pam_ssh_agent_auth, p-cpe:/a:canonical:ubuntu_linux:openssh-ssh1, cpe:/o:redhat:enterprise_linux:8, cpe:/o:redhat:enterprise_linux:10, cpe:/o:debian:debian_linux:13.0, cpe:/o:canonical:ubuntu_linux:14.04:-:lts, p-cpe:/a:redhat:enterprise_linux:openssh-keysign, p-cpe:/a:redhat:enterprise_linux:openssh-askpass, p-cpe:/a:redhat:enterprise_linux:openssh-server-sysvinit, p-cpe:/a:centos:centos:openssh-keycat, p-cpe:/a:centos:centos:openssh, p-cpe:/a:centos:centos:openssh-askpass, p-cpe:/a:redhat:enterprise_linux:openssh-clients, cpe:/o:centos:centos:7, cpe:/o:canonical:ubuntu_linux:16.04:-:lts, cpe:/o:redhat:enterprise_linux:7, p-cpe:/a:redhat:enterprise_linux:openssh-server, p-cpe:/a:redhat:enterprise_linux:openssh-ldap, p-cpe:/a:centos:centos:pam_ssh_agent_auth, cpe:/o:canonical:ubuntu_linux:22.04:-:lts, p-cpe:/a:centos:centos:openssh-cavs, cpe:/o:debian:debian_linux:11.0
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: 4/2/2026
Reference Information
CVE: CVE-2026-35388