RockyLinux 8 : openssh (RLSA-2026:88211)

medium Nessus Plugin ID 371136

Synopsis

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

Description

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:88211 advisory.

* openssh: OpenSSH: SFTP security bypass due to command-line argument parsing flaw (CVE-2026-59997)

* openssh: OpenSSH: Undocumented GSSAPIStrictAcceptorCheck behavior impacts security in Windows Active Directory (CVE-2026-59998)

* openssh: OpenSSH: Brute-force attacks facilitated due to insufficient authentication delay (CVE-2026-60001)

* openssh: OpenSSH: Denial of Service via excessive GSSAPI authentication attempts (CVE-2026-60000)

* openssh: OpenSSH: Tunnel forwarding restriction bypass (CVE-2026-73283)

Tenable has extracted the preceding description block directly from the RockyLinux 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.

Plugin Details

Severity: Medium

ID: 371136

File Name: rocky_linux_RLSA-2026-88211.nasl

Version: 1.1

Type: Local

Family: Rocky Linux Local Security Checks

Published: 10/23/2026

Updated: 10/23/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.73

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 4.7

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

CVSS Score Source: CVE-2026-59998

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

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

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

Vulnerability Information

CPE: cpe:/o:rocky:linux:8, p-cpe:/a:rocky:linux:openssh-askpass-debuginfo, p-cpe:/a:rocky:linux:openssh-askpass, p-cpe:/a:rocky:linux:openssh-cavs-debuginfo, p-cpe:/a:rocky:linux:openssh-cavs, p-cpe:/a:rocky:linux:openssh-clients-debuginfo, p-cpe:/a:rocky:linux:openssh-clients, p-cpe:/a:rocky:linux:openssh-debuginfo, p-cpe:/a:rocky:linux:openssh-debugsource, p-cpe:/a:rocky:linux:openssh-keycat-debuginfo, p-cpe:/a:rocky:linux:openssh-keycat, p-cpe:/a:rocky:linux:openssh-ldap-debuginfo, p-cpe:/a:rocky:linux:openssh-ldap, p-cpe:/a:rocky:linux:openssh-server-debuginfo, p-cpe:/a:rocky:linux:openssh-server, p-cpe:/a:rocky:linux:openssh, p-cpe:/a:rocky:linux:pam_ssh_agent_auth-debuginfo, p-cpe:/a:rocky:linux:pam_ssh_agent_auth

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

Exploit Ease: No known exploits are available

Patch Publication Date: 10/23/2026

Vulnerability Publication Date: 7/8/2026

Reference Information

CVE: CVE-2026-59997, CVE-2026-59998, CVE-2026-60000, CVE-2026-60001, CVE-2026-73283

Detections

Analytics