# flatpak.

Every CVE that names flatpak among its affected products, newest first. Vendors and products are as the CNA wrote them.

## Records, newest first

- [Flatpak vulnerable to path traversal via unvalidated "arch" parameter in DeployAppstream](https://agentprime.io/advisories/CVE-2026-92162.md)
  `CVE-2026-92162` · CVE record: flatpak flatpak · CVSS 7.2 High · Not analysed yet · Published 20 Oct 2026 · Tags: Path traversal
- [Flatpak: In Flatpak before 1.18.1, the revokefs writer…](https://agentprime.io/advisories/CVE-2026-96808.md)
  `CVE-2026-96808` · CVE record: Flatpak Flatpak · CVSS 7.4 High · Not analysed yet · Published 23 Sept 2026 · Tags: CWE-61
- [Flatpak: In Flatpak before 1.18.1, a malicious sandboxed app can replace \~/.var/app/$appid/.ld.so…](https://agentprime.io/advisories/CVE-2026-96807.md)
  `CVE-2026-96807` · CVE record: Flatpak Flatpak · CVSS 4.0 Medium · Not analysed yet · Published 23 Sept 2026 · Tags: CWE-61
- [Flatpak: In Flatpak before 1.18.1, a malicious sandboxed app can obtain arbitrary read and write…](https://agentprime.io/advisories/CVE-2026-90616.md)
  `CVE-2026-90616` · CVE record: Flatpak Flatpak · CVSS 7.4 High · Not analysed yet · Published 12 Sept 2026 · Tags: CWE-61
- [Flatpak affected by arbitrary file deletion on the host filesystem](https://agentprime.io/advisories/CVE-2026-34079.md)
  `CVE-2026-34079` · CVE record: flatpak flatpak · CVSS 8.7 High · Not analysed yet · Published 7 Apr 2026 · Tags: Path traversal
- [Flatpak has a complete sandbox escape leading to host file access and code execution in the host context](https://agentprime.io/advisories/CVE-2026-34078.md)
  `CVE-2026-34078` · CVE record: flatpak flatpak · CVSS 9.3 Critical · Critical (CVSS 9+) · Not analysed yet · Published 7 Apr 2026 · Tags: Path traversal, CWE-61
- [Flatpak may allow access to files outside sandbox for certain apps](https://agentprime.io/advisories/CVE-2024-42472.md)
  `CVE-2024-42472` · CVE record: flatpak flatpak · CVSS 10.0 Critical · Critical (CVSS 9+) · Not analysed yet · Published 15 Aug 2024 · Tags: Other injection
- [Flatpak vulnerable to a sandbox escape via RequestBackground portal due to bad argument parsing](https://agentprime.io/advisories/CVE-2024-32462.md)
  `CVE-2024-32462` · CVE record: flatpak flatpak · CVSS 8.4 High · Not analysed yet · Published 18 Apr 2024 · Tags: Command injection
- [Flatpak metadata with ANSI control codes can cause misleading terminal output](https://agentprime.io/advisories/CVE-2023-28101.md)
  `CVE-2023-28101` · CVE record: flatpak flatpak · CVSS 5.0 Medium · Not analysed yet · Published 16 Mar 2023 · Tags: CWE-116
- [TIOCLINUX can send commands outside sandbox if running on a virtual console](https://agentprime.io/advisories/CVE-2023-28100.md)
  `CVE-2023-28100` · CVE record: flatpak flatpak · CVSS 10.0 Critical · Critical (CVSS 9+) · Not analysed yet · Published 16 Mar 2023 · Tags: CWE-20
- [flatpak-builder can access files outside the build directory.](https://agentprime.io/advisories/CVE-2022-21682.md)
  `CVE-2022-21682` · CVE record: flatpak flatpak · CVSS 7.7 High · Not analysed yet · Published 13 Jan 2022 · Tags: Path traversal
- [Permissions granted to applications can be hidden from the user at install time](https://agentprime.io/advisories/CVE-2021-43860.md)
  `CVE-2021-43860` · CVE record: flatpak flatpak · CVSS 8.2 High · Not analysed yet · Published 12 Jan 2022 · Tags: Privilege escalation
- [Sandbox bypass via recent VFS-manipulating syscalls](https://agentprime.io/advisories/CVE-2021-41133.md)
  `CVE-2021-41133` · CVE record: flatpak flatpak · CVSS 8.8 High · Not analysed yet · Published 8 Oct 2021 · Tags: CWE-20
- [Sandbox escape via special tokens in .desktop file](https://agentprime.io/advisories/CVE-2021-21381.md)
  `CVE-2021-21381` · CVE record: flatpak flatpak · CVSS 7.1 High · Not analysed yet · Published 11 Mar 2021 · Tags: Other injection
- [Flatpak sandbox escape via spawn portal](https://agentprime.io/advisories/CVE-2021-21261.md)
  `CVE-2021-21261` · CVE record: flatpak flatpak · CVSS 7.3 High · Not analysed yet · Published 14 Jan 2021 · Tags: Other injection

## Filters and formats

Filters are query parameters on this URL: `q` (words, as in a web search engine: `"a phrase"`, `OR`, `-word`; an id; a package or product name), `severity` (low, medium, high or critical), `critical=1`, `kev=1`, `ecosystem` (npm, pypi, packagist, go, maven, rubygems, crates, nuget, hex), `kind=package`, `assigner` (a CNA’s short name), `min_score` and `state`. Each record’s title links to its Markdown page.

- The same list as JSON: <https://api.agentprime.io/v1/advisories?technology=flatpak>
- Every list: <https://agentprime.io/advisories.md>, critical: <https://agentprime.io/advisories/critical.md>; by weakness: <https://agentprime.io/advisories/tag/sql-injection.md> and the other tags in <https://agentprime.io/llms.txt>; by technology: `/advisories/technology/<slug>.md` (`fortinet-fortimail`)

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The web page: <https://agentprime.io/advisories/technology/flatpak/>. Everything for agents: <https://agentprime.io/llms.txt>.