SUSE SLED15 / SLES15 Security Update : apache-sshd (SUSE-SU-2026:3339-1)

high Nessus Plugin ID 330534

Synopsis

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

Description

The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:3339-1 advisory.

Update to upstream version 2.19.0.

Security issues fixed:

- CVE-2026-56452: remote users can use SCP to send filenames that lead to arbitrary file writes due to a path traversal issue in the `sshd-scp` component of Apache MINA SSHD. (bsc#1272158).
- CVE-2026-56623: remote users can obtain access to git repositories outside of the configured server-side root directory on Windows systems due to path traversal issue in `org.apache.sshd:sshd-git` (bsc#1271993).
- CVE-2026-56624: users can authenticate with certificates containing the `force-command` option but still execute other commands due to improper validation of certificate options in Apache MINA SSHD (bsc#1271992).
- CVE-2026-58624: remote execution of JGit commands can lead to arbitrary file writes due to improper input validation in `sshd-git` of Apache MINA SSHD (bsc#1271991).

Other updates and bugfixes:

- Version 2.19.0:
* Bug Fixes
- GH-899 Fix ProcessShellFactory on Linux.
- GH-902 Fix client-side handling of sk-* public key signatures (also in the agent interfaces).
- Limit size of decompressed SSH packets.
- Improve checking SSH user certificates in public-key authentication.
- Improve handling of repository paths in sshd-git on Windows.
- Validate file names in SCP.
- Escape newlines in filenames in the SCP protocol.
- Restrict JGit commands accessible via GitPgmCommandFactory in sshd-git.

Tenable has extracted the preceding description block directly from the SUSE 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 apache-sshd package.

Plugin Details

Severity: High

ID: 330534

File Name: suse_SU-2026-3339-1.nasl

Version: 1.1

Type: Local

Agent: unix

Family: SuSE Local Security Checks

Published: 7/29/2026

Updated: 7/29/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5

Percentile: 93.95

CVSS v2

Risk Factor: High

Base Score: 8.5

Temporal Score: 6.3

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

CVSS Score Source: CVE-2026-56624

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

CVSS Score Source: CVE-2026-56452

Vulnerability Information

CPE: cpe:/o:novell:suse_linux:15, p-cpe:/a:novell:suse_linux:apache-sshd

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

Exploit Ease: No known exploits are available

Patch Publication Date: 7/28/2026

Vulnerability Publication Date: 7/20/2026

Reference Information

CVE: CVE-2026-56452, CVE-2026-56623, CVE-2026-56624, CVE-2026-58624

SuSE: SUSE-SU-2026:3339-1

Detections

Analytics