Hackers exploit critical Citrix NetScaler flaw CVE-2026-88771 to execute commands remotely, install web shells, and deploy malware.

Threat actors are actively exploiting two critical zero-day vulnerabilities in Citrix NetScaler ADC and NetScaler Gateway appliances, allowing them to execute code remotely on exposed systems.

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 ...

This PHP2Shell issue affects not only web servers but also firewalls, VPN devices, load balancers, and network management ...

Citrix has warned IT administrators to patch systems immediately against a new critical vulnerability affecting NetScaler ADC networking appliances and NetScaler Gateway secure remote access solutions ...

Citrix has released emergency updates for a new NetScaler denial-of-service vulnerability tracked as CVE-2026-88779 that has been exploited in zero-day attacks, with researchers investigating whether ...

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A critical security flaw impacting Rejetto HTTP File Server (HFS) is witnessing active exploitation attempts, according to ...

A newly disclosed memory overflow flaw is being targeted in attacks, and NetScaler deployments require another round of patching for some customers. Citrix has warned customers about another ...

I found 61 vulnerabilities that were released between October 1st and 22nd. Major regular updates were released in large ...

Virtualization costs, aging hardware and slow upgrades can signal it is time to replace a legacy stack. Compare support needs ...

Attackers exploit a critical Cisco email gateway flaw to gain root access. Cisco urges customers to update scanner tools and check for compromise.