Flatpak — Cyber Threats, Attacks & Incidents

Related Threat Clusters

• Multiple High-Risk Vulnerabilities Discovered in Gentoo Linux Packages

  A series of high-severity vulnerabilities have been identified across various Gentoo Linux packages, including Apache HTTPD, Exim, Dnsmasq, and others. These vulnerabilities, such as CVE-2026-41163 and CVE-2026-40684,…

  8 articles · Updated August 14, 2026
• Emergency Release of Tails 7.6.2 to Address Critical Tor Browser Vulnerability

  On April 15, 2026, Tails released version 7.6.2 as an emergency update to address a significant security vulnerability in the Tor Browser's confinement. This vulnerability could potentially be exploited by an attacker…

  5 articles · Updated April 15, 2026
• JDownloader Website Compromised to Distribute Malware to Users

  The JDownloader website was hacked between May 6 and May 7, 2026, to serve malicious installers for Windows and Linux users. Attackers replaced legitimate download links with malicious payloads, specifically targeting…

  11 articles · Updated May 9, 2026
• Flatpak 1.16.4 Addresses Critical Security Flaws Including Sandbox Escape

  Flatpak released version 1.16.4 on April 8, 2026, fixing four security vulnerabilities. The most critical issue, CVE-2026-34078, allows a complete sandbox escape, enabling unauthorized host file access and code…

  4 articles · Updated April 8, 2026

Recent Intelligence Reports

• Gentoo Flatpak High Sandbox Escape Issues GLSA-202608 — Linuxsecurity · August 14, 2026
• JDownloader Website Supply Chain Attack: Installers Replaced with Python RAT Malware ... — Rescana · May 10, 2026
• JDownloader site hacked to replace installers with Python RAT malware — Bleepingcomputer · May 9, 2026
• Hackers breach JDownloader website to serve malware — News.Ycombinator · May 8, 2026
• Tor Browser — tails.net · April 15, 2026
• Flatpak 1.16.4 Patches a Silent Security Flaw That Let Sandboxed Apps Peek Outside Their Walls — Ground.News · April 8, 2026

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