A new Citrix NetScaler vulnerability, CVE-2026-88779, is being actively exploited to crash appliances and cause Denial of Service, prompting urgent patch orders from CISA and warnings from Citrix. The issue comes as organizations are still responding to widespread exploitation of CVE-2026-88771 and CVE-2026-88772, with Mandiant reporting likely impacts across multiple sectors in North America and Europe. #Citrix #NetScaler #CVE-2026-88779 #CVE-2026-88771 #CVE-2026-88772 #CISA #Mandiant
Keypoints
- Citrix disclosed CVE-2026-88779 after reports of active exploitation on NetScaler appliances.
- The flaw can crash unmitigated NetScaler deployments and trigger Denial of Service.
- CISA ordered federal agencies to patch the vulnerability and perform forensic triage.
- Citrix released mitigations and credited Bishop Fox and watchTowr for identifying the issue.
- Organizations are still dealing with exploitation of CVE-2026-88771 and CVE-2026-88772 worldwide.
Read More: https://therecord.media/us-australia-warn-of-latest-citrix-vulnerability