Israeli developed TeleMessage SGNL messaging app, widely adopted by U.S. government agencies, financial institutions, legal firms, is being exploited by malicious actors.

Israeli developed TeleMessage SGNL messaging app, widely adopted by U.S. government agencies, financial institutions, legal firms, is being exploited by malicious actors.

A critical vulnerability affecting TeleMessage SGNL, a secure enterprise messaging and compliance platform modeled after Signal, is currently being exploited by malicious actors. The flaw—tracked as CVE-2025-48927—allows unauthenticated attackers to access sensitive memory dumps containing highly confidential user data.