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 missing symlink protection CVE-2026-90616 flatpak: flatpak: Arbitrary write access as root via extra-data extraction CVE-2026-96275...

Important: flatpak-builder security update

Flatpak-builder is a tool for building flatpaks from sources. Security Fixes: flatpak-builder: Host code execution via git am hook execution in patch source extraction use-git-am CVE-2026-86320 For more details about the security issues, including the impact, a CVSS score, acknowledgments, and...

AlmaLinux 8 : flatpak (ALSA-2026:80687)

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:80687 advisory. flatpak: Flatpak: Arbitrary code execution via missing symlink protection CVE-2026-90616 flatpak: flatpak: Arbitrary write access as root via extra-data...

ALSA-2026:80495 Important: flatpak-builder security update

Flatpak-builder is a tool for building flatpaks from sources. Security Fixes: flatpak-builder: Host code execution via git am hook execution in patch source extraction use-git-am CVE-2026-86320 For more details about the security issues, including the impact, a CVSS score, acknowledgments, and...

ALSA-2026:80497 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 missing symlink protection CVE-2026-90616 flatpak: flatpak: Arbitrary write access as root via extra-data extraction CVE-2026-96275...

AlmaLinux 10 : flatpak (ALSA-2026:80498)

The remote AlmaLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:80498 advisory. flatpak: Flatpak: Arbitrary code execution via missing symlink protection CVE-2026-90616 flatpak: flatpak: Arbitrary write access as root via extra-data...

Important: flatpak-builder

Issue Overview: When use-git-am: true is enabled for a patch source, flatpak-builder invokes git am without disabling git hooks. A malicious source can include a post-applypatch hook, which will be executed automatically when a patch with use-git-am: true is applied. Since git itself runs...

ALSA-2026:80973 Important: flatpak-builder security update

Flatpak-builder is a tool for building flatpaks from sources. Security Fixes: flatpak-builder: Host code execution via git am hook execution in patch source extraction use-git-am CVE-2026-86320 For more details about the security issues, including the impact, a CVSS score, acknowledgments, and...

flatpak-builder security update

1.2.3-2 - Disable git hooks when applying patches CVE-2026-86320 Resolves: RHEL-262183...

ALSA-2026:80687 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 missing symlink protection CVE-2026-90616 flatpak: flatpak: Arbitrary write access as root via extra-data extraction CVE-2026-96275...

RHEL 9 : flatpak-builder (RHSA-2026:80496)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2026:80496 advisory. Flatpak-builder is a tool for building flatpaks from sources. Security Fixes: flatpak-builder: Host code execution via git am hook execution in patc...

AlmaLinux 9.2 [TuxCare] Security Update: flatpak / flatpak-devel / flatpak-libs / flatpak-selinux / etc (ALMALINUX9.2:CLSA-2026:1791735799)

The AlmaLinux 9.2 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1791735799 advisory. - In Flatpak before 1.18.1, the revokefs writer, used by the flatpak-system-helper to receive repository data from unprivileged callers,...

flatpak security update

1.16.0-9.4 - Avoid symlink path traversal in revokefs writer CVE-2026-96808 Resolves: RHEL-267891 - Prevent arbitrary write as root via extra-data extraction CVE-2026-96275 Resolves: RHEL-267432 - Use gsize for OCI delta sizes and harden delta parser CVE-2026-96280 Resolves: RHEL-271519 1.16.0-9....

flatpak-builder security update

1.4.4-1.1 - Disable git hooks when applying patches CVE-2026-86320 Resolves: RHEL-262185...

flatpak security update

1.12.9-4.4 - Use gsize for OCI delta sizes and harden delta parser CVE-2026-96280 Resolves: RHEL-271518 1.12.9-4.3 - Avoid symlink path traversal in revokefs writer CVE-2026-96808 Resolves: RHEL-267902 - Prevent arbitrary write as root via extra-data extraction CVE-2026-96275 Resolves: RHEL-26743...

flatpak-builder security update

1.2.3-1.1 - Disable git hooks when applying patches CVE-2026-86320 Resolves: RHEL-262193...

flatpak security update

1.12.9-7 - Use gsize for OCI delta sizes and harden delta parser CVE-2026-96280 Resolves: RHEL-271507 1.12.9-6 - Avoid symlink path traversal in revokefs writer CVE-2026-96808 Resolves: RHEL-267897 - Prevent arbitrary write as root via extra-data extraction CVE-2026-96275 Resolves: RHEL-267425...

MGASA-2026-0477 Updated flatpak package fixes security vulnerabilities

Arbitrary file deletion in root context via path traversal in deploy directory export/bin. CVE-2026-97023 Arbitrary write in root context via path traversal in deploy directory files/etc. CVE-2026-97024 World-readable oci authentication token in system-helper cache path. CVE-2026-97025...

Updated flatpak package fixes security vulnerabilities

Arbitrary file deletion in root context via path traversal in deploy directory export/bin. CVE-2026-97023 Arbitrary write in root context via path traversal in deploy directory files/etc. CVE-2026-97024 World-readable oci authentication token in system-helper cache path. CVE-2026-97025...

Security update for flatpak

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 bsc1280236. CVE-2026-92162: path traversal via unvalidated arch parameter in DeployAppstream bsc1282514...