CTI · reported · 2026-08-20

Critical Citrix NetScaler Flaw Allows Attackers to Bypass Authentication

Full story & timeline

MITRE ATT&CK

• T1190 Exploit Public-Facing Application Initial Access
• T1078 Valid Accounts Stealth

Indicators

No curated indicators tied to this case.

Detections

No detection content yet — case analysis did not yield signal-specific telemetry. Check back after the next daily CTI pass.

References

• https://www.citrix.com/security/bulletins/