AlmaLinux 10 : openssh (ALSA-2026:69129)

high Nessus Plugin ID 348810

Synopsis

The remote AlmaLinux host is missing one or more security updates.

Description

The remote AlmaLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:69129 advisory.

* openssh: OpenSSH: sftp client allows attacker to control downloaded file location (CVE-2026-59995)
* openssh: OpenSSH sshd: Security bypass due to incorrect handling of forwarding and tunneling options (CVE-2026-59999)
* openssh: OpenSSH: Tunnel forwarding restriction bypass (CVE-2026-73283)
* openssh: OpenSSH: ssh-agent allows remote execution of local operations (CVE-2026-73281)
* openssh: OpenSSH: Information disclosure and data corruption via use-after-free in ssh client (CVE-2026-73282)

Tenable has extracted the preceding description block directly from the AlmaLinux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://access.redhat.com/errata/RHSA-2026:69129

https://errata.almalinux.org/10/ALSA-2026-69129.html

Plugin Details

Severity: High

ID: 348810

File Name: alma_linux_ALSA-2026-69129.nasl

Version: 1.1

Type: Local

Published: 9/22/2026

Updated: 9/22/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.73

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2026-59999

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

Vulnerability Information

CPE: cpe:/o:alma:linux:10, cpe:/o:alma:linux:10::appstream, cpe:/o:alma:linux:10::baseos, cpe:/o:alma:linux:10::highavailability, cpe:/o:alma:linux:10::nfv, cpe:/o:alma:linux:10::powertools, cpe:/o:alma:linux:10::realtime, cpe:/o:alma:linux:10::resilientstorage, cpe:/o:alma:linux:10::sap, cpe:/o:alma:linux:10::sap_hana, cpe:/o:alma:linux:10::supplementary, p-cpe:/a:alma:linux:openssh-askpass, p-cpe:/a:alma:linux:openssh-clients, p-cpe:/a:alma:linux:openssh-keycat, p-cpe:/a:alma:linux:openssh-keysign, p-cpe:/a:alma:linux:openssh-server, p-cpe:/a:alma:linux:openssh

Required KB Items: Host/local_checks_enabled, Host/AlmaLinux/release, Host/AlmaLinux/rpm-list, Host/cpu

Exploit Ease: No known exploits are available

Patch Publication Date: 9/21/2026

Vulnerability Publication Date: 7/8/2026

Reference Information

CVE: CVE-2026-59995, CVE-2026-59999, CVE-2026-73281, CVE-2026-73282, CVE-2026-73283

CWE: 22, 266, 305, 358, 825

RHSA: 2026:69129