CVE-2026-90616
flatpak: missing symlink protection allows a malicious sandboxed app to obtain arbitrary read and write access
CVE-2026-90616 is fixed in 11 products on 1 platform, first by DEBIAN-CVE-2026-90616, released September 13, 2026. It is not reported as exploited. Patch Radar priority: High.
High
CVSS
8.8
high
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0018
7th percentile
missing symlink protection allows a malicious sandboxed app to obtain arbitrary read and write access
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| flatpak · Debian 13.5 (trixie) | 1.16.6-1~deb13u3 | DEBIAN-CVE-2026-90616 | Sep 13, 2026 |
| flatpak · Debian 14 | 1.18.1-1 | DEBIAN-CVE-2026-90616 | Sep 13, 2026 |
| flatpak · RHEL 10 | 1.16.0-5.el10_0.6 | RHSA-2026:92221 | Oct 13, 2026 |
| flatpak · RHEL 8 | 0:1.12.9-7.el8_10 | RHSA-2026:80687 | Oct 13, 2026 |
| flatpak · RHEL 9 | 0:1.12.9-4.el9_8.4 | RHSA-2026:80497 | Oct 12, 2026 |
| flatpak · almalinux 10 | 1.16.0-9.el10_2.4 | ALSA-2026:80498 | Nov 7, 2026 |
| flatpak · almalinux 8 | 1.12.9-7.el8_10 | ALSA-2026:80687 | Nov 7, 2026 |
| flatpak · almalinux 9 | 1.12.9-4.el9_8.4 | ALSA-2026:80497 | Nov 7, 2026 |
| flatpak · amzn 2023 | 1.18.1-1.amzn2023 | ALAS2023-2026-3143 | Sep 28, 2026 |
| flatpak · ol 10 | 0:1.16.0-9.el10_2.4 | ELSA-2026-80498 | Nov 7, 2026 |
| flatpak · ol 8 | 0:1.12.9-7.el8_10 | ELSA-2026-80687 | Nov 7, 2026 |
| flatpak · ol 9 | 0:1.12.9-4.el9_8.4 | ELSA-2026-80497 | Nov 7, 2026 |
| flatpak · rocky 10 | 0:1.16.0-9.el10_2.4 | RLSA-2026:80498 | Nov 7, 2026 |
| flatpak · rocky 8 | 0:1.12.9-7.el8_10 | RLSA-2026:80687 | Nov 7, 2026 |
| flatpak · rocky 9 | 0:1.12.9-4.el9_8.4 | RLSA-2026:80497 | Nov 7, 2026 |
| flatpak · sles 15.6 | 1.16.6-150600.3.12.1 | SUSE-SU-2026:4944-1 | Nov 7, 2026 |
| flatpak · sles 15.7 | 1.16.6-150600.3.12.1 | SUSE-SU-2026:4944-1 | Nov 7, 2026 |
| flatpak-debuginfo · amzn 2023 | 1.18.1-1.amzn2023 | ALAS2023-2026-3143 | Sep 28, 2026 |
| flatpak-debugsource · amzn 2023 | 1.18.1-1.amzn2023 | ALAS2023-2026-3143 | Sep 28, 2026 |
| flatpak-devel · RHEL 8 | 0:1.12.9-7.el8_10 | RHSA-2026:80687 | Oct 13, 2026 |
| flatpak-devel · RHEL 9 | 0:1.12.9-4.el9_8.4 | RHSA-2026:80497 | Oct 12, 2026 |
| flatpak-devel · almalinux 10 | 1.16.0-9.el10_2.4 | ALSA-2026:80498 | Nov 7, 2026 |
| flatpak-devel · almalinux 8 | 1.12.9-7.el8_10 | ALSA-2026:80687 | Nov 7, 2026 |
| flatpak-devel · almalinux 9 | 1.12.9-4.el9_8.4 | ALSA-2026:80497 | Nov 7, 2026 |
| flatpak-devel · amzn 2023 | 1.18.1-1.amzn2023 | ALAS2023-2026-3143 | Sep 28, 2026 |
| flatpak-devel · ol 10 | 0:1.16.0-9.el10_2.4 | ELSA-2026-80498 | Nov 7, 2026 |
| flatpak-devel · ol 8 | 0:1.12.9-7.el8_10 | ELSA-2026-80687 | Nov 7, 2026 |
| flatpak-devel · ol 9 | 0:1.12.9-4.el9_8.4 | ELSA-2026-80497 | Nov 7, 2026 |
| flatpak-libs · RHEL 8 | 0:1.12.9-7.el8_10 | RHSA-2026:80687 | Oct 13, 2026 |
| flatpak-libs · RHEL 9 | 0:1.12.9-4.el9_8.4 | RHSA-2026:80497 | Oct 12, 2026 |
| flatpak-libs · almalinux 10 | 1.16.0-9.el10_2.4 | ALSA-2026:80498 | Nov 7, 2026 |
| flatpak-libs · almalinux 8 | 1.12.9-7.el8_10 | ALSA-2026:80687 | Nov 7, 2026 |
| flatpak-libs · almalinux 9 | 1.12.9-4.el9_8.4 | ALSA-2026:80497 | Nov 7, 2026 |
| flatpak-libs · amzn 2023 | 1.18.1-1.amzn2023 | ALAS2023-2026-3143 | Sep 28, 2026 |
| flatpak-libs · ol 10 | 0:1.16.0-9.el10_2.4 | ELSA-2026-80498 | Nov 7, 2026 |
| flatpak-libs · ol 8 | 0:1.12.9-7.el8_10 | ELSA-2026-80687 | Nov 7, 2026 |
| flatpak-libs · ol 9 | 0:1.12.9-4.el9_8.4 | ELSA-2026-80497 | Nov 7, 2026 |
| flatpak-libs-debuginfo · amzn 2023 | 1.18.1-1.amzn2023 | ALAS2023-2026-3143 | Sep 28, 2026 |
| flatpak-selinux · RHEL 8 | 0:1.12.9-7.el8_10 | RHSA-2026:80687 | Oct 13, 2026 |
| flatpak-selinux · RHEL 9 | 0:1.12.9-4.el9_8.4 | RHSA-2026:80497 | Oct 12, 2026 |
| flatpak-selinux · almalinux 10 | 1.16.0-9.el10_2.4 | ALSA-2026:80498 | Nov 7, 2026 |
| flatpak-selinux · almalinux 8 | 1.12.9-7.el8_10 | ALSA-2026:80687 | Nov 7, 2026 |
| flatpak-selinux · almalinux 9 | 1.12.9-4.el9_8.4 | ALSA-2026:80497 | Nov 7, 2026 |
| flatpak-selinux · amzn 2023 | 1.18.1-1.amzn2023 | ALAS2023-2026-3143 | Sep 28, 2026 |
| flatpak-selinux · ol 10 | 0:1.16.0-9.el10_2.4 | ELSA-2026-80498 | Nov 7, 2026 |
| flatpak-selinux · ol 8 | 0:1.12.9-7.el8_10 | ELSA-2026-80687 | Nov 7, 2026 |
| flatpak-selinux · ol 9 | 0:1.12.9-4.el9_8.4 | ELSA-2026-80497 | Nov 7, 2026 |
| flatpak-session-helper · RHEL 8 | 0:1.12.9-7.el8_10 | RHSA-2026:80687 | Oct 13, 2026 |
| flatpak-session-helper · RHEL 9 | 0:1.12.9-4.el9_8.4 | RHSA-2026:80497 | Oct 12, 2026 |
| flatpak-session-helper · almalinux 10 | 1.16.0-9.el10_2.4 | ALSA-2026:80498 | Nov 7, 2026 |
| flatpak-session-helper · almalinux 8 | 1.12.9-7.el8_10 | ALSA-2026:80687 | Nov 7, 2026 |
| flatpak-session-helper · almalinux 9 | 1.12.9-4.el9_8.4 | ALSA-2026:80497 | Nov 7, 2026 |
| flatpak-session-helper · amzn 2023 | 1.18.1-1.amzn2023 | ALAS2023-2026-3143 | Sep 28, 2026 |
| flatpak-session-helper · ol 10 | 0:1.16.0-9.el10_2.4 | ELSA-2026-80498 | Nov 7, 2026 |
| flatpak-session-helper · ol 8 | 0:1.12.9-7.el8_10 | ELSA-2026-80687 | Nov 7, 2026 |
| flatpak-session-helper · ol 9 | 0:1.12.9-4.el9_8.4 | ELSA-2026-80497 | Nov 7, 2026 |
| flatpak-session-helper-debuginfo · amzn 2023 | 1.18.1-1.amzn2023 | ALAS2023-2026-3143 | Sep 28, 2026 |
| flatpak-tests · amzn 2023 | 1.18.1-1.amzn2023 | ALAS2023-2026-3143 | Sep 28, 2026 |
| flatpak-tests-debuginfo · amzn 2023 | 1.18.1-1.amzn2023 | ALAS2023-2026-3143 | Sep 28, 2026 |
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