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 security update

An update is available for flatpak. This update affects Rocky Linux 10. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list Flatpak is a system for building, distributing, and running sandboxed deskto...

RLSA-2026:21757 Important: flatpak security update

Flatpak is a system for building, distributing, and running sandboxed desktop applications on Linux. Security Fixes: flatpak: Flatpak: Arbitrary code execution via crafted symlinks in sandbox-expose options CVE-2026-34078 flatpak: Flatpak: Arbitrary file deletion on host via improper cache file...

MiracleLinux 8 : flatpak-1.12.9-4.el8_10 (AXSA:2026-753:02)

The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2026-753:02 advisory. flatpak: Flatpak: Arbitrary code execution via crafted symlinks in sandbox-expose options CVE-2026-34078 flatpak: Flatpak: Arbitrary file deletion on...

AlmaLinux 10 : flatpak (ALSA-2026:21757)

The remote AlmaLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:21757 advisory. flatpak: Flatpak: Arbitrary code execution via crafted symlinks in sandbox-expose options CVE-2026-34078 flatpak: Flatpak: Arbitrary file deletion on ho...

RLSA-2026:21756 Important: flatpak security update

Flatpak is a system for building, distributing, and running sandboxed desktop applications on Linux. Security Fixes: flatpak: Flatpak: Arbitrary code execution via crafted symlinks in sandbox-expose options CVE-2026-34078 flatpak: Flatpak: Arbitrary file deletion on host via improper cache file...

flatpak security update

An update is available for flatpak. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list Flatpak is a system for building, distributing, and running sandboxed desktop...

RHEL 8 : flatpak (RHSA-2026:21756)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:21756 advisory. Flatpak is a system for building, distributing, and running sandboxed desktop applications on Linux. Security Fixes: flatpak: Flatpak:...

AlmaLinux 9 : flatpak (ALSA-2026:21755)

The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:21755 advisory. flatpak: Flatpak: Arbitrary code execution via crafted symlinks in sandbox-expose options CVE-2026-34078 flatpak: Flatpak: Arbitrary file deletion on hos...

RHEL 9 : flatpak (RHSA-2026:21755)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:21755 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 10. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from...

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. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from t...

CVE-2026-42585

A flaw was found in Netty. This vulnerability allows a remote attacker to perform request smuggling attacks due to incorrect parsing of malformed Transfer-Encoding headers. By exploiting this flaw, an attacker can bypass security controls and potentially access sensitive information or manipulate...

ALSA-2026:21755 Important: flatpak security update

Flatpak is a system for building, distributing, and running sandboxed desktop applications on Linux. Security Fixes: flatpak: Flatpak: Arbitrary code execution via crafted symlinks in sandbox-expose options CVE-2026-34078 flatpak: Flatpak: Arbitrary file deletion on host via improper cache file...

flatpak security update

1.12.9-4 - Fix arbitrary code execution via crafted symlinks in sandbox-expose options Resolves: RHEL-165633 - Fix arbitrary file deletion on host via improper cache file path validation Resolves: RHEL-170160...

Important: flatpak security update

Flatpak is a system for building, distributing, and running sandboxed desktop applications on Linux. Security Fixes: flatpak: Flatpak: Arbitrary code execution via crafted symlinks in sandbox-expose options CVE-2026-34078 flatpak: Flatpak: Arbitrary file deletion on host via improper cache file...

ALSA-2026:21756 Important: flatpak security update

Flatpak is a system for building, distributing, and running sandboxed desktop applications on Linux. Security Fixes: flatpak: Flatpak: Arbitrary code execution via crafted symlinks in sandbox-expose options CVE-2026-34078 flatpak: Flatpak: Arbitrary file deletion on host via improper cache file...

Important: flatpak security update

Flatpak is a system for building, distributing, and running sandboxed desktop applications on Linux. Security Fixes: flatpak: Flatpak: Arbitrary code execution via crafted symlinks in sandbox-expose options CVE-2026-34078 flatpak: Flatpak: Arbitrary file deletion on host via improper cache file...