SUSE-SU-2026:1511-1: important: Security update for flatpak

SLE-UPDATES null at suse.de
Tue Apr 21 12:38:20 UTC 2026 


# Security update for flatpak

Announcement ID: SUSE-SU-2026:1511-1  
Release Date: 2026-04-21T06:28:50Z  
Rating: important  
References:

  * bsc#1261769
  * bsc#1261770

  
Cross-References:

  * CVE-2026-34078
  * CVE-2026-34079

  
CVSS scores:

  * CVE-2026-34078 ( SUSE ):  6.4
    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
  * CVE-2026-34078 ( SUSE ):  8.2 CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
  * CVE-2026-34078 ( NVD ):  9.3
    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
  * CVE-2026-34079 ( SUSE ):  4.1
    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
  * CVE-2026-34079 ( SUSE ):  6.7 CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:N/I:H/A:L
  * CVE-2026-34079 ( NVD ):  8.7
    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
  * CVE-2026-34079 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
  * CVE-2026-34079 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

  
Affected Products:

  * openSUSE Leap 15.4
  * SUSE Linux Enterprise High Performance Computing 15 SP4
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4
  * SUSE Linux Enterprise Server 15 SP4
  * SUSE Linux Enterprise Server 15 SP4 LTSS
  * SUSE Linux Enterprise Server for SAP Applications 15 SP4

  
  
An update that solves two vulnerabilities can now be installed.

## Description:

This update for flatpak fixes the following issues:

  * 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).

## Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like
YaST online_update or "zypper patch".  
Alternatively you can run the command listed for your product:

  * openSUSE Leap 15.4  
    zypper in -t patch SUSE-2026-1511=1

  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-1511=1

  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-1511=1

  * SUSE Linux Enterprise Server 15 SP4 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2026-1511=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP4  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP4-2026-1511=1

## Package List:

  * openSUSE Leap 15.4 (aarch64 ppc64le s390x x86_64 i586)
    * flatpak-debuginfo-1.12.8-150400.3.12.1
    * flatpak-1.12.8-150400.3.12.1
    * typelib-1_0-Flatpak-1_0-1.12.8-150400.3.12.1
    * flatpak-zsh-completion-1.12.8-150400.3.12.1
    * libflatpak0-1.12.8-150400.3.12.1
    * libflatpak0-debuginfo-1.12.8-150400.3.12.1
    * system-user-flatpak-1.12.8-150400.3.12.1
    * flatpak-debugsource-1.12.8-150400.3.12.1
    * flatpak-devel-1.12.8-150400.3.12.1
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (aarch64
    x86_64)
    * flatpak-debuginfo-1.12.8-150400.3.12.1
    * flatpak-1.12.8-150400.3.12.1
    * typelib-1_0-Flatpak-1_0-1.12.8-150400.3.12.1
    * flatpak-zsh-completion-1.12.8-150400.3.12.1
    * libflatpak0-1.12.8-150400.3.12.1
    * libflatpak0-debuginfo-1.12.8-150400.3.12.1
    * system-user-flatpak-1.12.8-150400.3.12.1
    * flatpak-debugsource-1.12.8-150400.3.12.1
    * flatpak-devel-1.12.8-150400.3.12.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (aarch64
    x86_64)
    * flatpak-debuginfo-1.12.8-150400.3.12.1
    * flatpak-1.12.8-150400.3.12.1
    * typelib-1_0-Flatpak-1_0-1.12.8-150400.3.12.1
    * flatpak-zsh-completion-1.12.8-150400.3.12.1
    * libflatpak0-1.12.8-150400.3.12.1
    * libflatpak0-debuginfo-1.12.8-150400.3.12.1
    * system-user-flatpak-1.12.8-150400.3.12.1
    * flatpak-debugsource-1.12.8-150400.3.12.1
    * flatpak-devel-1.12.8-150400.3.12.1
  * SUSE Linux Enterprise Server 15 SP4 LTSS (aarch64 ppc64le s390x x86_64)
    * flatpak-debuginfo-1.12.8-150400.3.12.1
    * flatpak-1.12.8-150400.3.12.1
    * typelib-1_0-Flatpak-1_0-1.12.8-150400.3.12.1
    * flatpak-zsh-completion-1.12.8-150400.3.12.1
    * libflatpak0-1.12.8-150400.3.12.1
    * libflatpak0-debuginfo-1.12.8-150400.3.12.1
    * system-user-flatpak-1.12.8-150400.3.12.1
    * flatpak-debugsource-1.12.8-150400.3.12.1
    * flatpak-devel-1.12.8-150400.3.12.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP4 (ppc64le x86_64)
    * flatpak-debuginfo-1.12.8-150400.3.12.1
    * flatpak-1.12.8-150400.3.12.1
    * typelib-1_0-Flatpak-1_0-1.12.8-150400.3.12.1
    * flatpak-zsh-completion-1.12.8-150400.3.12.1
    * libflatpak0-1.12.8-150400.3.12.1
    * libflatpak0-debuginfo-1.12.8-150400.3.12.1
    * system-user-flatpak-1.12.8-150400.3.12.1
    * flatpak-debugsource-1.12.8-150400.3.12.1
    * flatpak-devel-1.12.8-150400.3.12.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-34078.html
  * https://www.suse.com/security/cve/CVE-2026-34079.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1261769
  * https://bugzilla.suse.com/show_bug.cgi?id=1261770

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