Detections
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SUSE SLED15 / SLES15 Security Update : flatpak (SUSE-SU-2026:1600-1)

critical Nessus Plugin ID 310241

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 packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:1600-1 advisory.

 - CVE-2026-34078: Arbitrary code execution via crafted symlinks in sandbox-expose options (bsc#1261769).
 - CVE-2026-34079: Arbitrary file deletion on host via improper cache file path validation (bsc#1261770).

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 packages.

See Also

https://bugzilla.suse.com/1261769

https://bugzilla.suse.com/1261770

https://www.suse.com/security/cve/CVE-2026-34078

https://www.suse.com/security/cve/CVE-2026-34079

https://lists.suse.com/pipermail/sle-updates/2026-April/045940.html

Plugin Details

Severity: Critical

ID: 310241

File Name: suse_SU-2026-1600-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 4/25/2026

Updated: 4/25/2026

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.3

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

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

CVSS Score Source: CVE-2026-34078

CVSS v3

Risk Factor: Critical

Base Score: 10

Temporal Score: 8.7

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

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

CVSS v4

Risk Factor: Critical

Base Score: 9.3

Threat Score: 8.1

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:system-user-flatpak, p-cpe:/a:novell:suse_linux:flatpak-zsh-completion, p-cpe:/a:novell:suse_linux:flatpak-remote-flathub, p-cpe:/a:novell:suse_linux:libflatpak0, p-cpe:/a:novell:suse_linux:flatpak, p-cpe:/a:novell:suse_linux:flatpak-devel, p-cpe:/a:novell:suse_linux:typelib-1_0-flatpak-1_0, cpe:/o:novell:suse_linux:15

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: 4/24/2026

Vulnerability Publication Date: 4/7/2026

Reference Information

CVE: CVE-2026-34078, CVE-2026-34079

IAVA: 2026-A-0317

SuSE: SUSE-SU-2026:1600-1