Citrix Patches 12 NetScaler and Secure Access Client Flaws, Including Authentication Bypass
Citrix has released patches for multiple critical security flaws impacting NetScaler ADC, Citrix NetScaler Gateway, and NetScaler Console that could lead to denial-of-service (DoS) or an authentication bypass. The critical vulnerabilities that impact NetScaler ADC and NetScaler Gateway are listed below - CVE-2026-120868 (CVSS score: 9.3) - A memory overflow vulnerability in Packet
Summary from The Hacker News.
Explained
The technology and terms in this story. Learn more
- WeaknessAuthentication bypassA flaw that lets someone in without valid credentials.
- AttackDDoS · Distributed denial of serviceFlooding a service with traffic from many machines until it can't respond.
- ConceptCVSS · Common Vulnerability Scoring SystemA 0–10 score for how severe a vulnerability is in theory.
- ConceptCVE · Common Vulnerabilities and ExposuresThe public ID system for vulnerabilities, such as CVE-2026-12345, so everyone means the same bug.
Vulnerabilities in this story
Severity and exploitation facts from NVD, FIRST, and CISA.