Critical Security Alert: Over 3,000 NetScaler Devices Remain Vulnerable to CitrixBleed 2 Exploit.

Critical Security Alert: Over 3,000 NetScaler Devices Remain Vulnerable to CitrixBleed 2 Exploit.

A significant cybersecurity crisis continues to unfold as over 3,000 Citrix NetScaler devices remain unpatched against a critical vulnerability known as CitrixBleed 2. This alarming situation has prompted urgent warnings from cybersecurity agencies and researchers worldwide, as attackers actively exploit the flaw to gain unauthorized access to corporate and government networks.
Researchers release technical details and a previously withheld detection script that can identify exploitation of Citrix Bleed 2 vulnerability.

Researchers release technical details and a previously withheld detection script that can identify exploitation of Citrix Bleed 2 vulnerability.

Security researchers at WatchTowr have published comprehensive technical details and a detection script to help organizations identify exploitation attempts targeting the recently disclosed CitrixBleed 2 vulnerability (CVE-2025-5777). This critical security flaw affects Citrix NetScaler ADC and Gateway devices and has raised significant concerns across the cybersecurity community due to its potential to expose sensitive information.