https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Mon, 28 Sep 2026 15:40:33 +0000 https://vulnerability.circl.lu/vuln/fkie_cve-2026-96281 <p>On a multi-user system, a user with an active local login session could downgrade a system-wide Flatpak app to an older version by removing the app&#39;s remote ref via the unprivileged system-helper RemoveLocalRef method, causing the anti-downgrade check to fail to find a reference date. A malicious local user could use this to expose other users of the same system to an app version with unfixed vulnerabilities.</p> <p>On a multi-user system, a user with an active local login session could downgrade a system-wide Flatpak app to an older version by removing the app&#39;s remote ref via the unprivileged system-helper RemoveLocalRef method, causing the anti-downgrade check to fail to find a reference date. A malicious local user could use this to expose other users of the same system to an app version with unfixed vulnerabilities.</p> https://vulnerability.circl.lu/vuln/fkie_cve-2026-96281 https://vulnerability.circl.lu/vuln/ubuntu-cve-2026-96281 <p><strong>Affected:</strong> Ubuntu:Pro:18.04:LTS: flatpak, Ubuntu:Pro:20.04:LTS: flatpak, Ubuntu:Pro:22.04:LTS: flatpak, Ubuntu:Pro:24.04:LTS: flatpak, Ubuntu:26.04:LTS: flatpak</p> <p>security update</p> <p><strong>Affected:</strong> Ubuntu:Pro:18.04:LTS: flatpak, Ubuntu:Pro:20.04:LTS: flatpak, Ubuntu:Pro:22.04:LTS: flatpak, Ubuntu:Pro:24.04:LTS: flatpak, Ubuntu:26.04:LTS: flatpak</p> <p>security update</p> https://vulnerability.circl.lu/vuln/ubuntu-cve-2026-96281