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Rocky Linux 9 [CIQ] Security Update: openssh / openssh-askpass / openssh-askpass-debuginfo / etc Multiple Vulnerabilities (crlsa-2026_19219)

high Nessus Plugin ID 354176

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Synopsis

The Rocky Linux host is missing one or more security updates.

Description

The Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-2026_19219 advisory.

 * OpenSSH: OpenSSH: Privilege escalation via scp legacy protocol when not preserving file mode (CVE-2026-35385)

 * OpenSSH: OpenSSH: Security bypass via mishandling of authorized_keys principals option (CVE-2026-35414)

 * OpenSSH: OpenSSH: Information disclosure due to unintended cryptographic algorithm usage (CVE-2026-35387)

 * OpenSSH: OpenSSH: Low integrity impact from unconfirmed proxy-mode multiplexing sessions (CVE-2026-35388)

 * OpenSSH: OpenSSH: Arbitrary command execution via shell metacharacters in username (CVE-2026-35386)

Tenable has extracted the preceding description block directly from the CIQ 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 based on the guidance in CIQ advisory crlsa-2026_19219.

See Also

https://access.redhat.com/errata/RHSA-2026:19219

https://bugzilla.redhat.com/show_bug.cgi?id=2454469

https://bugzilla.redhat.com/show_bug.cgi?id=2454490

https://bugzilla.redhat.com/show_bug.cgi?id=2454494

https://bugzilla.redhat.com/show_bug.cgi?id=2454500

https://bugzilla.redhat.com/show_bug.cgi?id=2454506

https://errata.build.resf.org/RLSA-2026:19219

http://www.nessus.org/u?28f7a63e

http://www.nessus.org/u?5dea5936

Plugin Details

Severity: High

ID: 354176

File Name: ciq_rocky_linux_9_crlsa-2026_19219.nasl

Version: 1.1

Type: Local

Published: 10/1/2026

Updated: 10/1/2026

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

Risk Information

VPR

Risk Factor: High

Score: 7.6

Percentile: 98.46

Vendor

Vendor Severity: Unknown

CVSS v2

Risk Factor: High

Base Score: 7.6

Temporal Score: 5.6

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

CVSS Score Source: CVE-2026-35414

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.1

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

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

Vulnerability Information

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/RockyLinux/release, Host/RockyLinux/rpm-list, Host/OS/extended-third-party

Exploit Ease: No known exploits are available

Patch Publication Date: 5/28/2026

Vulnerability Publication Date: 4/2/2026

Reference Information

CVE: CVE-2026-35385, CVE-2026-35386, CVE-2026-35387, CVE-2026-35388, CVE-2026-35414