<div class="container">
<h1>Security update for flatpak</h1>
<table class="table table-striped table-bordered">
<tbody>
<tr>
<th>Announcement ID:</th>
<td>SUSE-SU-2026:1541-1</td>
</tr>
<tr>
<th>Release Date:</th>
<td>2026-04-22T07:22:36Z</td>
</tr>
<tr>
<th>Rating:</th>
<td>important</td>
</tr>
<tr>
<th>References:</th>
<td>
<ul>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1261769">bsc#1261769</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1261770">bsc#1261770</a>
</li>
</ul>
</td>
</tr>
<tr>
<th>
Cross-References:
</th>
<td>
<ul>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-34078.html">CVE-2026-34078</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-34079.html">CVE-2026-34079</a>
</li>
</ul>
</td>
</tr>
<tr>
<th>CVSS scores:</th>
<td>
<ul class="list-group">
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-34078</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.4</span>
<span class="cvss-vector">CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-34078</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">8.2</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-34078</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">9.3</span>
<span class="cvss-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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-34079</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">4.1</span>
<span class="cvss-vector">CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:N/SI:H/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-34079</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.7</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:N/I:H/A:L</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-34079</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">8.7</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-34079</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">7.5</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-34079</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">7.5</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N</span>
</li>
</ul>
</td>
</tr>
<tr>
<th>Affected Products:</th>
<td>
<ul class="list-group">
<li class="list-group-item">openSUSE Leap 15.5</li>
<li class="list-group-item">SUSE Linux Enterprise High Performance Computing 15 SP5</li>
<li class="list-group-item">SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5</li>
<li class="list-group-item">SUSE Linux Enterprise High Performance Computing LTSS 15 SP5</li>
<li class="list-group-item">SUSE Linux Enterprise Server 15 SP5</li>
<li class="list-group-item">SUSE Linux Enterprise Server 15 SP5 LTSS</li>
<li class="list-group-item">SUSE Linux Enterprise Server for SAP Applications 15 SP5</li>
</ul>
</td>
</tr>
</tbody>
</table>
<p>An update that solves two vulnerabilities can now be installed.</p>
<h2>Description:</h2>
<p>This update for flatpak fixes the following issues:</p>
<ul>
<li>CVE-2026-34078: improper processing of app-controlled symlinks by sandbox-expose can lead to sandbox escape, host
file access and code execution in the host context (bsc#1261769).</li>
<li>CVE-2026-34079: improper removal of outdated cache files allows for arbitrary file deletion on the host filesystem
(bsc#1261770).</li>
</ul>
<h2>Patch Instructions:</h2>
<p>
To install this SUSE update use the SUSE recommended
installation methods like YaST online_update or "zypper patch".<br/>
Alternatively you can run the command listed for your product:
</p>
<ul class="list-group">
<li class="list-group-item">
openSUSE Leap 15.5
<br/>
<code>zypper in -t patch SUSE-2026-1541=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5
<br/>
<code>zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2026-1541=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise High Performance Computing LTSS 15 SP5
<br/>
<code>zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2026-1541=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise Server 15 SP5 LTSS
<br/>
<code>zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2026-1541=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise Server for SAP Applications 15 SP5
<br/>
<code>zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP5-2026-1541=1</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
openSUSE Leap 15.5 (aarch64 ppc64le s390x x86_64 i586)
<ul>
<li>libflatpak0-1.16.0-150500.3.18.1</li>
<li>flatpak-debuginfo-1.16.0-150500.3.18.1</li>
<li>flatpak-debugsource-1.16.0-150500.3.18.1</li>
<li>flatpak-devel-1.16.0-150500.3.18.1</li>
<li>flatpak-1.16.0-150500.3.18.1</li>
<li>libflatpak0-debuginfo-1.16.0-150500.3.18.1</li>
<li>typelib-1_0-Flatpak-1_0-1.16.0-150500.3.18.1</li>
</ul>
</li>
<li>
openSUSE Leap 15.5 (noarch)
<ul>
<li>flatpak-zsh-completion-1.16.0-150500.3.18.1</li>
<li>flatpak-remote-flathub-1.16.0-150500.3.18.1</li>
<li>system-user-flatpak-1.16.0-150500.3.18.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (aarch64 x86_64)
<ul>
<li>libflatpak0-1.16.0-150500.3.18.1</li>
<li>flatpak-debuginfo-1.16.0-150500.3.18.1</li>
<li>flatpak-debugsource-1.16.0-150500.3.18.1</li>
<li>flatpak-devel-1.16.0-150500.3.18.1</li>
<li>flatpak-1.16.0-150500.3.18.1</li>
<li>libflatpak0-debuginfo-1.16.0-150500.3.18.1</li>
<li>typelib-1_0-Flatpak-1_0-1.16.0-150500.3.18.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (noarch)
<ul>
<li>flatpak-zsh-completion-1.16.0-150500.3.18.1</li>
<li>flatpak-remote-flathub-1.16.0-150500.3.18.1</li>
<li>system-user-flatpak-1.16.0-150500.3.18.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (aarch64 x86_64)
<ul>
<li>libflatpak0-1.16.0-150500.3.18.1</li>
<li>flatpak-debuginfo-1.16.0-150500.3.18.1</li>
<li>flatpak-debugsource-1.16.0-150500.3.18.1</li>
<li>flatpak-devel-1.16.0-150500.3.18.1</li>
<li>flatpak-1.16.0-150500.3.18.1</li>
<li>libflatpak0-debuginfo-1.16.0-150500.3.18.1</li>
<li>typelib-1_0-Flatpak-1_0-1.16.0-150500.3.18.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (noarch)
<ul>
<li>flatpak-zsh-completion-1.16.0-150500.3.18.1</li>
<li>flatpak-remote-flathub-1.16.0-150500.3.18.1</li>
<li>system-user-flatpak-1.16.0-150500.3.18.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 15 SP5 LTSS (aarch64 ppc64le s390x x86_64)
<ul>
<li>libflatpak0-1.16.0-150500.3.18.1</li>
<li>flatpak-debuginfo-1.16.0-150500.3.18.1</li>
<li>flatpak-debugsource-1.16.0-150500.3.18.1</li>
<li>flatpak-devel-1.16.0-150500.3.18.1</li>
<li>flatpak-1.16.0-150500.3.18.1</li>
<li>libflatpak0-debuginfo-1.16.0-150500.3.18.1</li>
<li>typelib-1_0-Flatpak-1_0-1.16.0-150500.3.18.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 15 SP5 LTSS (noarch)
<ul>
<li>flatpak-zsh-completion-1.16.0-150500.3.18.1</li>
<li>flatpak-remote-flathub-1.16.0-150500.3.18.1</li>
<li>system-user-flatpak-1.16.0-150500.3.18.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server for SAP Applications 15 SP5 (ppc64le x86_64)
<ul>
<li>libflatpak0-1.16.0-150500.3.18.1</li>
<li>flatpak-debuginfo-1.16.0-150500.3.18.1</li>
<li>flatpak-debugsource-1.16.0-150500.3.18.1</li>
<li>flatpak-devel-1.16.0-150500.3.18.1</li>
<li>flatpak-1.16.0-150500.3.18.1</li>
<li>libflatpak0-debuginfo-1.16.0-150500.3.18.1</li>
<li>typelib-1_0-Flatpak-1_0-1.16.0-150500.3.18.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server for SAP Applications 15 SP5 (noarch)
<ul>
<li>flatpak-zsh-completion-1.16.0-150500.3.18.1</li>
<li>flatpak-remote-flathub-1.16.0-150500.3.18.1</li>
<li>system-user-flatpak-1.16.0-150500.3.18.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-34078.html">https://www.suse.com/security/cve/CVE-2026-34078.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-34079.html">https://www.suse.com/security/cve/CVE-2026-34079.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1261769">https://bugzilla.suse.com/show_bug.cgi?id=1261769</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1261770">https://bugzilla.suse.com/show_bug.cgi?id=1261770</a>
</li>
</ul>
</div>