CVE-2026-96281 - Flatpak: flatpak: unprivileged active user can bypass anti-downgrade checks for system apps/runtimes

CVE-2026-96281 - Flatpak: flatpak: unprivileged active user can bypass anti-downgrade checks for system apps/runtimes

https://cvefeed.io/rssfeed/latest.atom / Mon, 09/28/2026 - 04:49
CVE ID :CVE-2026-96281
Published : Sept. 27, 2026, 9:17 p.m. | 3 hours, 55 minutes ago
Description :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'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.
Severity: 6.2 | MEDIUM
Visit the link for more details, such as CVSS details, affected products, timeline, and more...

About

Kenya Education Network CERT(KENET-CERT) is a Cybersecurity Emergency Response Team and Co-ordination Center operated by the National Research and Education Network of Kenya. KENET-CERT coordination center promotes awareness on cybersecurity incidences as well as coordinates and assists member institutions in responding effectively to cyber security threats and incidences. KENET-CERT works closely with Kenya's National CIRT coordination center (CIRT/CC) as a sector CIRT for the academic institutions. KENET promotes use of ICT in Teaching, Learning and Research in Higher Education Institutions in Kenya. KENET aims to interconnect all the Universities, Tertiary and Research Institutions in Kenya by setting up a cost effective and sustainable private network with high speed access to the global Internet. KENET also facilitates electronic communication among students and faculties in member institutions, share learning and teaching resources by collaboration in Research and Development of Educational content.