CVE-2026-16477

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; the payload then executes automaticall...

CVE-2026-16477 Insecure Deserialization of .cleanshot Files in CleanShot X

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; the payload then executes automaticall...

EUVD-2026-108208

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; the payload then executes automaticall...

CVE-2026-16477

The software CleanShot X for macOS is vulnerable to an insecure deserialization flaw when processing .cleanshot project files (used for editable screenshot annotations). An attacker can craft a malicious file that, when opened by a target user, triggers automatic execution of a payload during the...