A new report released today by Fox-IT, part of NCC Group PLC, has detailed how about 2,000 Citrix NetScalers have been exploited by a threat actor to gain persistent access. Citrix NetScaler is an ...

The U.S. cybersecurity agency ordered Federal Civilian Executive Branch agencies to implement fixes for the issue by end of day Friday. A critical-severity vulnerability affecting two Citrix NetScaler ...

Citrix fixed three NetScaler ADC and NetScaler Gateway flaws today, including a critical remote code execution flaw tracked as CVE-2025-7775 that was actively exploited in attacks as a zero-day ...

A recent vulnerability in Citrix NetScaler ADC and Gateway is dubbed "CitrixBleed 2," after its similarity to an older exploited flaw that allowed unauthenticated attackers to hijack authentication ...

A critical vulnerability allowing hackers to bypass multifactor authentication in network management devices made by Citrix has been actively exploited for more than a month, researchers said. The ...

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, ...

Citrix NetScaler ADC and NetScaler Gateway customers have been hit by a new round of zero day vulnerabilities that require urgent patching, including one the company warned is being actively exploited ...

Amid confusing reports about Citrix NetScaler exploits in the wild, researchers offer technical analyses and indicators of compromise for one of the vulnerabilities dubbed Citrix Bleed 2 that can lead ...

Time may be running short for users of Citrix’s NetScaler Application Delivery Controller (ADC) and NetScaler Gateway products who have not yet patched against two recently disclosed vulnerabilities ...

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.

Cybersecurity experts at Sophos X-Ops have uncovered a wave of attacks targeting unpatched Citrix NetScaler systems exposed to the internet. Describing the malicious campaign on X last Friday, the ...

Security researchers say hackers are mass-exploiting a critical-rated vulnerability in Citrix NetScaler systems to launch crippling cyberattacks against big-name organizations worldwide. These ...