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As of 09/17/2026, within CyStack's analyzed data, flatpak-builder has 0 security vulnerabilities published in the last 90 days. Of these, 0 are rated High or Critical. None of these vulnerabilities is listed in the CISA KEV catalog. CyStack recommends that organizations and individual users remediate applicable vulnerabilities as soon as possible.
CyStack does not yet have sufficient official-source data to identify the latest version of flatpak-builder and determine which vulnerabilities affect that version.
CyStack VulnScan continuously discovers assets, validates vulnerabilities, and helps security teams prioritize remediation across the organization.
Explore CyStack VulnScan| Vulnerability | Exploitation status | Fix | Published | Severity |
|---|---|---|---|---|
CVE-2026-39977flatpak-builder has a path traversal leading to arbitrary file read on host when installing licence files | Exploitation statusPublic exploit | FixYes | Published04/09/2026 | SeverityHigh |
CVE-2022-21682flatpak-builder can access files outside the build directory. | Exploitation statusNot confirmed | FixYes | Published01/13/2022 | SeverityHigh |
