Detections
Analytics

Oracle Linux 10 : openssh (ELSA-2026-13380)

high Nessus Plugin ID 312316

Synopsis

The remote Oracle Linux host is missing one or more security updates.

Description

The remote Oracle Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-13380 advisory.

 - CVE-2026-35385: Fix privilege escalation via scp legacy protocol when not in preserving file mode Resolves: RHEL-164738
 - CVE-2026-35388: Add connection multiplexing confirmation for proxy-mode multiplexing sessions Resolves: RHEL-166237
 - CVE-2026-35387: Fix incomplete application of PubkeyAcceptedAlgorithms and HostbasedAcceptedAlgorithms with regard to ECDSA keys Resolves: RHEL-166221
 - CVE-2026-35414: Fix mishandling of authorized_keys principals option Resolves: RHEL-166189

Tenable has extracted the preceding description block directly from the Oracle Linux 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://linux.oracle.com/errata/ELSA-2026-13380.html

Plugin Details

Severity: High

ID: 312316

File Name: oraclelinux_ELSA-2026-13380.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 5/5/2026

Updated: 5/5/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.4

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

CPE: p-cpe:/a:oracle:linux:openssh-askpass, cpe:/o:oracle:linux:10, p-cpe:/a:oracle:linux:openssh-clients, cpe:/o:oracle:linux:10:1:baseos_patch, p-cpe:/a:oracle:linux:openssh-keysign, p-cpe:/a:oracle:linux:openssh, p-cpe:/a:oracle:linux:openssh-keycat, p-cpe:/a:oracle:linux:openssh-server

Required KB Items: Host/OracleLinux, Host/RedHat/release, Host/RedHat/rpm-list, Host/local_checks_enabled

Exploit Ease: No known exploits are available

Patch Publication Date: 5/5/2026

Vulnerability Publication Date: 4/2/2026

Reference Information

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

IAVA: 2026-A-0296