Dark Reading

CitrixBleed-ing Again? NetScaler Vulnerability Under Attack

Attackers wasted little time targeting the latest memory disclosure bug in Citrix NetScaler, after researchers published a ...
SecurityWeek

New CitrixBleed Vulnerability Exploited Immediately After Public Disclosure

Hackers began exploiting vulnerability CVE-2026-8451 in Citrix NetScaler ADC and NetScaler Gateways less than 24 hours after disclosure.
Dark Reading

Citrix Patches Critical Vulns in NetScaler ADC and Gateway

Citrix has fixed a critical vulnerability, tracked as CVE-2025-5777, found within NetScaler ADC and NetScaler Gateway. The vulnerability, assigned a critical CVSS score of 9.3, is described as an ...
CSOonline

Citrix NetScaler devices face active zero-day exploitations

Citrix has warned its NetScaler ADC and NetScaler Gateway customers against two critical zero-day vulnerabilities that have active exploitations in the wild. Tracked as CVE-2023-6548 and CVE-2023-6549 ...
Bleeping Computer

Citrix adds NetScaler ADC setting to block recent DDoS attacks

Citrix has released a feature enhancement designed to block attackers from using the Datagram Transport Layer Security (DTLS) feature of Citrix ADC and Gateway devices as an amplification vector in ...
SecurityWeek

Citrix Patches NetScaler Vulnerabilities, Including New ‘HTTP/2 Bomb’ Attack

Citrix has patched five NetScaler ADC and NetScaler Gateway vulnerabilities, including a high-severity defect similar to CitrixBleed.
Bleeping Computer

Citrix warns of new Netscaler zero-days exploited in attacks

Citrix urged customers on Tuesday to immediately patch Netscaler ADC and Gateway appliances exposed online against two actively exploited zero-day vulnerabilities. The two zero-days (tracked as ...
Ars Technica

The latest high-severity Citrix vulnerability under attack isn’t easy to fix

A critical vulnerability that hackers have exploited since August, which allows them to bypass multifactor authentication in Citrix networking hardware, has received a patch from the manufacturer.
CSOonline

Threat actors actively exploiting critical flaw in NetScaler ADC devices

The US Cybersecurity and Infrastructure Security Agency (CISA) reported last week that attackers are actively exploiting a critical remote code execution vulnerability patched earlier this month in ...
ZDNet

Citrix rolls out patches for critical ADC vulnerability exploited in the wild

Citrix has released patches to permanently resolve a vulnerability in ADC software that is being actively exploited in the wild. The vulnerability, tracked as CVE-2019-19781, impacts the Citrix ...
Infosecurity-magazine.com

Citrix Patches Three NetScaler Zero Days as One Sees Active Exploitation

Citrix has released patches for three zero-day vulnerabilities in NetScaler ADC and Gateway, one of which was already being exploited by attackers. The flaws, tracked as CVE-2025-7775, CVE-2025-7776, ...
Computing

Critical Citrix NetScaler bug exploited in the wild since August

A critical zero-day vulnerability affecting Citrix NetScaler Application Delivery Controller (ADC) and NetScaler Gateway has been actively exploited by malicious actors, raising alarms in the ...