CVE-2026-13601 Yelp: yelp-xsl: overly permissive content security policy in yelp allows host file disclosure from flatpak applications

A flaw was found in Yelp due to an overly permissive Content Security Policy CSP implementation provided by yelp-xsl. A malicious Flatpak application can open crafted help content through the OpenURI portal. By embedding an untrusted CSS stylesheet within a structured SVG document,...

flatpak: Flatpak: Arbitrary file deletion on host via improper cache file path validation

A flaw was found in Flatpak, a Linux application sandboxing and distribution framework. The caching mechanism for ld.so dynamic linker/loader improperly removes outdated cache files without adequately verifying that the application-controlled path to the outdated cache is within the designated...

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...

PT-2026-53247

Name of the Vulnerable Software and Affected Versions Yelp affected versions not specified Description A flaw exists due to an overly permissive Content Security Policy CSP implementation provided by yelp-xsl. A malicious Flatpak application can open crafted help content through the OpenURI porta...

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:...

OESA-2026-2709 flatpak security update

flatpak is a system for building, distributing and running sandboxed desktop applications on Linux. See https://wiki.gnome.org/Projects/SandboxedApps for more information. Security Fixes: Every Flatpak app is able to read and write arbitrary files on the host and execute code in the host context,...

OESA-2026-2710 flatpak security update

flatpak is a system for building, distributing and running sandboxed desktop applications on Linux. See https://wiki.gnome.org/Projects/SandboxedApps for more information. Security Fixes: Every Flatpak app is able to read and write arbitrary files on the host and execute code in the host context,...

Oracle Linux 9 : flatpak (ELSA-2026-21755)

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-21755 advisory. 1.12.9-4.1 - Fix arbitrary code execution via crafted symlinks in sandbox-expose options Resolves: RHEL-165643 - Fix arbitrary file deletion on host v...

flatpak security update

1.12.9-4.1 - Fix arbitrary code execution via crafted symlinks in sandbox-expose options Resolves: RHEL-165643 - Fix arbitrary file deletion on host via improper cache file path validation Resolves: RHEL-170171...

CVE-2026-2604

A flaw was found in evolution-data-server. Inconsistent comparison logic in the addressbook file backend allows a Flatpak application with D-Bus access to craft a malicious URI containing directory traversal sequences. This URI is stored without proper validation during contact creation or...

CVE-2026-2604

Summary: CVE-2026-2604 affects evolution-data-server. An inconsistent comparison logic in the addressbook backend lets a Flatpak/D-Bus user craft a malicious URI with directory traversal sequences. This URI is stored during contact creation/modification and later rechecked with lower strictness d...

CVE-2026-2604 Evolution-data-server: evolution data server: arbitrary file deletion via inconsistent uri handling

A flaw was found in evolution-data-server. Inconsistent comparison logic in the addressbook file backend allows a Flatpak application with D-Bus access to craft a malicious URI containing directory traversal sequences. This URI is stored without proper validation during contact creation or...

CVE-2026-2604

A flaw was found in evolution-data-server. Inconsistent comparison logic in the addressbook file backend allows a Flatpak application with D-Bus access to craft a malicious URI containing directory traversal sequences. This URI is stored without proper validation during contact creation or...

CVE-2026-2604 Evolution-data-server: evolution data server: arbitrary file deletion via inconsistent uri handling

A flaw was found in evolution-data-server. Inconsistent comparison logic in the addressbook file backend allows a Flatpak application with D-Bus access to craft a malicious URI containing directory traversal sequences. This URI is stored without proper validation during contact creation or...

OESA-2026-2632 evolution-data-server security update

The evolution-data-server package provides a personal information management application that provides integrated mail, calendaring and address book functionality. The evolution-data-server package provides a single database for common, desktop-wide information, such as a user's address book or...

OESA-2026-2633 evolution-data-server security update

The evolution-data-server package provides a personal information management application that provides integrated mail, calendaring and address book functionality. The evolution-data-server package provides a single database for common, desktop-wide information, such as a user's address book or...

RHSA-2026:25381 Red Hat Security Advisory: flatpak security update

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RHEL 8 : flatpak (RHSA-2026:25381)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:25381 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...