CVE-2026-96276 Flatpak: flatpak: arbitrary write in host context via flatpak build-init

If a malicious SDK container declares an extension point with a crafted directory path, and a developer runs flatpak build-init --writable-sdk --sdk-extension with that SDK, attacker-chosen files could be written outside the working directory, since the target path is resolved via a function that...

EUVD-2026-85343

If a malicious SDK container declares an extension point with a crafted directory path, and a developer runs flatpak build-init --writable-sdk --sdk-extension with that SDK, attacker-chosen files could be written outside the working directory, since the target path is resolved via a function that...

CVE-2026-96276 Flatpak: flatpak: arbitrary write in host context via flatpak build-init

If a malicious SDK container declares an extension point with a crafted directory path, and a developer runs flatpak build-init --writable-sdk --sdk-extension with that SDK, attacker-chosen files could be written outside the working directory, since the target path is resolved via a function that...

PT-2026-97348

Name of the Vulnerable Software and Affected Versions Flatpak affected versions not specified Description A flaw exists where a malicious SDK container can trigger arbitrary file writes on the host system. This occurs when a developer executes the command flatpak build-init --writable-sdk...

CVE-2026-96276: Improper Limitation of a Pathname to a Restricted Directory

If a malicious SDK container declares an extension point with a crafted directory path, and a developer runs flatpak build-init --writable-sdk --sdk-extension with that SDK, attacker-chosen files could be written outside the working directory, since the target path is resolved via a function that...