CleanShot X vulnerabilities

1 known vulnerability in CleanShot X from MTW. 1 is rated high or critical. Each entry lists the affected versions and the release that fixes it, where the vendor has published one.

Latest first

• 8.4 High severity

  CleanShot X: Deserialization of Untrusted Data

  CVE-2026-16477Oct 22, 2026MTW

  CleanShot X for macOS insecurely deserializes untrusted data embedded in a .cleanshot project file (editable screenshot annotations). Exploitation requires an attacker to craft a malicious .cleanshot file, deliver it to the target, and have the target open it;