TI-2026-20778 CVE-2026-25704 · GHSA-h5vx-6jh5-qhq7
Incomplete privilege drop for com.system76.CosmicGreeter.GetUserData
Priority LOW 25
A Privilege Dropping / Lowering Errors/Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability in cosmic-greeter can allow an attacker to regain privileges that should have been dropped and abuse them in the racy…