Signal Call Vulnerability Details and PoC Published, Showing Hang-Up Can Fail to End Calls Vulnerability Report Signal Call Vulnerability Details and PoC Published, Showing Hang-Up Can Fail to End Calls Do Son October 22, 2026 0 TL;DR A researcher has published full details and a proof-of-concept for CVE-2026-113380, a critical Signal call vulnerability... Read More Read more about Signal Call Vulnerability Details and PoC Published, Showing Hang-Up Can Fail to End Calls