CLSA-2026-1792427434 flatpak: Fix of 5 CVEs

CVE-2026-34078: fix the portal sandbox-expose symlink refusal, which never triggered because OPATH|ONOFOLLOW opens the symlink instead of failing - Raise the release to 13.0.1 and build every shared EL7 target with dist .el79, so the package outranks the vendor releases on oraclelinux7els...

CLSA-2026-1792427048 flatpak: Fix of 5 CVEs

CVE-2026-34078: fix the portal sandbox-expose symlink refusal, which never triggered because OPATH|ONOFOLLOW opens the symlink instead of failing - Raise the release to 13.0.1 and build every shared EL7 target with dist .el79, so the package outranks the vendor releases on oraclelinux7els...

AlmaLinux 9.2 [TuxCare] Security Update: flatpak / flatpak-devel / flatpak-libs / flatpak-selinux / etc (ALMALINUX9.2:CLSA-2026:1780908222)

The AlmaLinux 9.2 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1780908222 advisory. - Flatpak is a Linux application sandboxing and distribution framework. Prior to 1.16.4, the Flatpak portal accepts paths in the sandbox-expo...

Rocky Linux 8 [CIQ] Security Update: flatpak / flatpak-debuginfo / flatpak-debugsource / flatpak-devel / etc Multiple Vulnerabilities (crlsa-2026_21756)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202621756 advisory. flatpak: Flatpak: Arbitrary code execution via crafted symlinks in sandbox-expose options CVE-2026-34078 flatpak: Flatpak: Arbitrary file deletion on host...

Rocky Linux 9.6 [TuxCare] Security Update: flatpak / flatpak-devel / flatpak-libs / flatpak-selinux / etc (ALMALINUX9.6:CLSA-2026:1781603962)

The Rocky Linux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1781603962 advisory. - Flatpak is a Linux application sandboxing and distribution framework. Prior to 1.16.4, the Flatpak portal accepts paths in the...

AlmaLinux 9.6 [TuxCare] Security Update: flatpak / flatpak-devel / flatpak-libs / flatpak-selinux / etc (ALMALINUX9.6:CLSA-2026:1781603962)

The AlmaLinux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1781603962 advisory. - Flatpak is a Linux application sandboxing and distribution framework. Prior to 1.16.4, the Flatpak portal accepts paths in the sandbox-expo...

USN-8741-1 flatpak vulnerabilities

It was discovered that Flatpak did not properly validate paths in sandbox-expose options. A malicious or compromised Flatpak app could use app-controlled symlinks to access arbitrary host files and gain code execution in the host context. This issue was addressed in Ubuntu Ubuntu 20.04 LTS, Ubunt...

Ubuntu 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS : Flatpak vulnerabilities (USN-8741-1)

The remote Ubuntu 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8741-1 advisory. It was discovered that Flatpak did not properly validate paths in sandbox-expose options. A malicious or compromised...

MiracleLinux 9 : flatpak-1.12.9-4.el9_8.1 (AXSA:2026-1286:03)

The remote MiracleLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2026-1286:03 advisory. flatpak: Flatpak: Arbitrary code execution via crafted symlinks in sandbox-expose options CVE-2026-34078 flatpak: Flatpak: Arbitrary file deletion o...

flatpak security update

1.16.0-9.1 - Fix arbitrary code execution via crafted symlinks in sandbox-expose options Resolves: RHEL-165630 - Fix arbitrary file deletion on host via improper cache file path validation Resolves: RHEL-170157...

flatpak: Flatpak: Arbitrary code execution via crafted symlinks in sandbox-expose options

A flaw was found in Flatpak, a Linux application sandboxing and distribution framework. A malicious application could exploit this by using specially crafted symlinks within the sandbox-expose options of the Flatpak portal. This allows the application to access arbitrary host files and potentiall...

flatpak: Flatpak: Arbitrary code execution via crafted symlinks in sandbox-expose options

A flaw was found in Flatpak, a Linux application sandboxing and distribution framework. A malicious application could exploit this by using specially crafted symlinks within the sandbox-expose options of the Flatpak portal. This allows the application to access arbitrary host files and potentiall...

RHEL 8 : flatpak (RHSA-2026:30901)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:30901 advisory. Flatpak is a system for building, distributing, and running sandboxed desktop applications on Linux. Security Fixes: flatpak: Flatpak:...

flatpak: Flatpak: Arbitrary code execution via crafted symlinks in sandbox-expose options

A flaw was found in Flatpak, a Linux application sandboxing and distribution framework. A malicious application could exploit this by using specially crafted symlinks within the sandbox-expose options of the Flatpak portal. This allows the application to access arbitrary host files and potentiall...

Important: Red Hat Security Advisory: flatpak security update

An update for flatpak is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerabili...

flatpak: Flatpak: Arbitrary code execution via crafted symlinks in sandbox-expose options

A flaw was found in Flatpak, a Linux application sandboxing and distribution framework. A malicious application could exploit this by using specially crafted symlinks within the sandbox-expose options of the Flatpak portal. This allows the application to access arbitrary host files and potentiall...

Important: Red Hat Security Advisory: flatpak security update

An update for flatpak is now available for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8 Telecommunications Update Service. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring...

RHEL 8 : flatpak (RHSA-2026:25068)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:25068 advisory. Flatpak is a system for building, distributing, and running sandboxed desktop applications on Linux. Security Fixes: flatpak: Flatpak:...

CLSA-2026-1780908222 flatpak: Fix of CVE-2026-34078

CVE-2026-34078: backport the AlmaLinux/RHSA-2026:21755 fix series 29 commits + libglnx-chase update to defeat sandbox-expose symlink races; preserves 1.12.7 baseline...

RHEL 9 : flatpak (RHSA-2026:23418)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:23418 advisory. Flatpak is a system for building, distributing, and running sandboxed desktop applications on Linux. Security Fixes: flatpak: Flatpak:...