Is CVE-2026-96275 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-96275?

CVE-2026-96275 has a CVSS v3 severity of HIGH (8.8).

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CVE-2026-96275

Description

A malicious or compromised Flatpak repository can write attacker-controlled content to arbitrary locations on the host filesystem via extract_extra_data(). On system installs, the write happens as root. Two issues combine: `files/extra` is resolved via path operations that follow symlinks, and blob names from `xa.extra-data-sources` are not sanitized against `..` traversal.