Suspected state-linked actors targeted critical vulnerabilities in the widely used platform,  causing widespread disruption across Europe and North America.

A newly discovered critical vulnerability is adding to the workload of customers mitigating other recent flaws.

Citrix NetScaler zero-day vulnerabilities CVE-2026-88771 and CVE-2026-88772 triggered mass internet exploitation within minutes of a proof-of-concept release. With 100+ organizations already ...

An "advanced" attacker exploited CitrixBleed 2 and a max-severity Cisco Identity Services Engine (ISE) bug as zero-days to deploy custom malware, according to Amazon Chief Information Security Officer ...

Citrix NetScaler instances are being targeted via CVE-2026-88779, a zero-day vulnerability exploited against fully patched ...

Citrix patches CVE-2026-88779 after targeted zero-day attacks caused denial-of-service on SAML-enabled NetScaler deployments.

Citrix patched CVE-2026-107406, a critical NetScaler memory overflow that could allow RCE or DoS in deployments configured ...

Cybersecurity firms say attackers exploited the Citrix NetScaler CVE-2026-88772 zero-day to deploy custom web shells and tunneling malware, gain root access, steal credentials, and spread into ...

This latest vulnerability, tracked as CVE-2026-88779, is a memory overflow bug that leads to denial of service attacks. It only affects NetScaler ADC and Gateway appliances configured as a SAML ...

Two NetScaler flaws rated 9.5 let attackers run code remotely. Citrix has patched them; CISA says attacks are happening globally.

Citrix is urging customers to patch another critical NetScaler vulnerability after weeks of disclosures involving actively ...

Citrix has warned IT administrators to patch systems immediately against a new critical vulnerability affecting NetScaler ADC ...