Linux · SUSE Linux Enterprise · Security advisory · November 7, 2026
SUSE-SU-2026:4944-1: flatpak security update
SUSE-SU-2026:4944-1, released November 7, 2026, fixes 9 CVEs in flatpak (version 1.16.6-150600.3.12.1). None of them is reported as exploited. Patch Radar priority: High.
High
CVEs closed
9
None rated Critical
Exploited
0
None reported
Highest CVSS
8.8
Base score, 0 to 10
Highest EPSS
0.0061
49th percentile
Priority of the 9 CVEs
Patch now 0
Urgent 0
High 4
Routine 5
Fixed package versions
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| High | CVE-2026-96280 | flatpak-devel: flatpak: flatpak: Buffer overflow in OCI delta stream path names on 32-bit systems | 8.8 | 0.0061 | None reported |
| High | CVE-2026-96275 | flatpak-libs: flatpak: flatpak: Arbitrary write access as root via extra-data extraction | 8.8 | 0.0059 | None reported |
| High | CVE-2026-90616 | flatpak: missing symlink protection allows a malicious sandboxed app to obtain arbitrary read and write access | 8.8 | 0.0018 | None reported |
| High | CVE-2026-96808 | flatpak: `revokefs` symlink path traversal allows local privilege escalation via commit tampering | 8.8 | 0.0012 | None reported |
| Routine | CVE-2026-96276 | flatpak: arbitrary write in host context via `flatpak build-init` (bsc#1282516). | 6.5 | 0.0044 | None reported |
| Routine | CVE-2026-96282 | flatpak: extension metadata path traversal file existence oracle (bsc#1282520). | 3.1 | 0.0024 | None reported |
| Routine | CVE-2026-92162 | flatpak: path traversal via unvalidated `arch` parameter in `DeployAppstream` (bsc#1282514). | n/a | 0.0023 | None reported |
| Routine | CVE-2026-96281 | flatpak: unprivileged active user can bypass anti-downgrade checks for system apps/runtimes (bsc#1282519). | 6.2 | 0.0012 | None reported |
| Routine | CVE-2026-96807 | flatpak: fixed-filename writes to arbitrary locations via symlink attack on `.ld.so` (bsc#1282523). | 4.0 | 0.0012 | None reported |
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