SUSE-SU-2026:4610-1: important: Security update for flatpak
SLE-SECURITY-UPDATES
null at suse.de
Fri Oct 9 20:39:35 UTC 2026
# Security update for flatpak
Announcement ID: SUSE-SU-2026:4610-1
Release Date: 2026-10-09T15:55:06Z
Rating: important
References:
* bsc#1280236
* bsc#1282514
* bsc#1282515
* bsc#1282516
* bsc#1282519
* bsc#1282520
* bsc#1282521
* bsc#1282523
* bsc#1282524
Cross-References:
* CVE-2026-90616
* CVE-2026-92162
* CVE-2026-96275
* CVE-2026-96276
* CVE-2026-96281
* CVE-2026-96282
* CVE-2026-96283
* CVE-2026-96807
* CVE-2026-96808
CVSS scores:
* CVE-2026-90616 ( SUSE ): 9.3
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
* CVE-2026-90616 ( SUSE ): 8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
* CVE-2026-90616 ( NVD ): 7.4 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
* CVE-2026-92162 ( SUSE ): 6.8
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
* CVE-2026-92162 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
* CVE-2026-96275 ( SUSE ): 8.7
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
* CVE-2026-96275 ( SUSE ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
* CVE-2026-96275 ( NVD ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
* CVE-2026-96276 ( SUSE ): 8.5
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
* CVE-2026-96276 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
* CVE-2026-96276 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
* CVE-2026-96276 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
* CVE-2026-96281 ( SUSE ): 4.8
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
* CVE-2026-96281 ( SUSE ): 3.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
* CVE-2026-96281 ( NVD ): 6.2 CVSS:3.1/AV:P/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
* CVE-2026-96282 ( SUSE ): 6.8
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:L/SA:N
* CVE-2026-96282 ( SUSE ): 7.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
* CVE-2026-96282 ( NVD ): 3.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N
* CVE-2026-96283 ( SUSE ): 4.8
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
* CVE-2026-96283 ( SUSE ): 3.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
* CVE-2026-96283 ( NVD ): 3.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
* CVE-2026-96807 ( SUSE ): 4.8
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:L/SA:L
* CVE-2026-96807 ( SUSE ): 5.2 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:L
* CVE-2026-96807 ( NVD ): 4.0 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L
* CVE-2026-96808 ( SUSE ): 7.3
CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
* CVE-2026-96808 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2026-96808 ( NVD ): 7.4 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products:
* SUSE Linux Enterprise High Performance Computing 12 SP5
* SUSE Linux Enterprise Server 12 SP5
* SUSE Linux Enterprise Server 12 SP5 LTSS
* SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security
* SUSE Linux Enterprise Server for SAP Applications 12 SP5
An update that solves nine vulnerabilities can now be installed.
## Description:
This update for flatpak fixes the following issues:
* CVE-2026-90616: missing symlink protection allows a malicious sandboxed app
to obtain arbitrary read and write access to files on the host
(bsc#1280236).
* CVE-2026-92162: path traversal via unvalidated `arch` parameter in
`DeployAppstream` (bsc#1282514).
* CVE-2026-96275: arbitrary write access as root via extra-data extraction
(bsc#1282515).
* CVE-2026-96276: arbitrary write in host context via `flatpak build-init`
(bsc#1282516).
* CVE-2026-96281: unprivileged active user can bypass anti-downgrade checks
for system apps/runtimes (bsc#1282519).
* CVE-2026-96282: extension metadata path traversal file existence oracle
(bsc#1282520).
* CVE-2026-96283: flatpak-system-helper: cross-user `CancelPull` orphans
another user's ongoing pull (bsc#1282521).
* CVE-2026-96807: fixed-filename writes to arbitrary locations via symlink
attack on `.ld.so` (bsc#1282523).
* CVE-2026-96808: `revokefs` symlink path traversal allows local privilege
escalation via commit tampering (bsc#1282524).
## 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:
* SUSE Linux Enterprise Server 12 SP5 LTSS
zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-2026-4610
* SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security
zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2026-4610
## Package List:
* SUSE Linux Enterprise Server 12 SP5 LTSS (aarch64 ppc64le s390x x86_64)
* flatpak-debugsource-1.4.2-3.15.1
* libflatpak0-1.4.2-3.15.1
* flatpak-1.4.2-3.15.1
* typelib-1_0-Flatpak-1_0-1.4.2-3.15.1
* flatpak-debuginfo-1.4.2-3.15.1
* libflatpak0-debuginfo-1.4.2-3.15.1
* SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64)
* flatpak-debugsource-1.4.2-3.15.1
* libflatpak0-1.4.2-3.15.1
* flatpak-1.4.2-3.15.1
* typelib-1_0-Flatpak-1_0-1.4.2-3.15.1
* flatpak-debuginfo-1.4.2-3.15.1
* libflatpak0-debuginfo-1.4.2-3.15.1
## References:
* https://www.suse.com/security/cve/CVE-2026-90616.html
* https://www.suse.com/security/cve/CVE-2026-92162.html
* https://www.suse.com/security/cve/CVE-2026-96275.html
* https://www.suse.com/security/cve/CVE-2026-96276.html
* https://www.suse.com/security/cve/CVE-2026-96281.html
* https://www.suse.com/security/cve/CVE-2026-96282.html
* https://www.suse.com/security/cve/CVE-2026-96283.html
* https://www.suse.com/security/cve/CVE-2026-96807.html
* https://www.suse.com/security/cve/CVE-2026-96808.html
* https://bugzilla.suse.com/show_bug.cgi?id=1280236
* https://bugzilla.suse.com/show_bug.cgi?id=1282514
* https://bugzilla.suse.com/show_bug.cgi?id=1282515
* https://bugzilla.suse.com/show_bug.cgi?id=1282516
* https://bugzilla.suse.com/show_bug.cgi?id=1282519
* https://bugzilla.suse.com/show_bug.cgi?id=1282520
* https://bugzilla.suse.com/show_bug.cgi?id=1282521
* https://bugzilla.suse.com/show_bug.cgi?id=1282523
* https://bugzilla.suse.com/show_bug.cgi?id=1282524
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