NetScaler
CISA flags new exploited NetScaler flaw as attackers crash appliances (CVE-2026-88779)
CISA has added another Citrix NetScaler vulnerability to its Known Exploited Vulnerabilities catalog on Sunday: CVE-2026-88779, a memory overflow bug that may cripple …
Suspected state-sponsored hackers exploited NetScaler zero-day since early September (CVE-2026-88772)
“Advanced and suspected state-sponsored threat actors” are likely to be behind the initial targeted intrusions that leveraged CVE-2026-88772, one of the two …
NetScaler zero-day exploitation escalates into mass attacks (CVE-2026-88771)
The hacking of internet-exposed, vulnerable Citrix NetScaler ADC and Gateway deployments has escalated. What started as stealthy targeting via zero-day exploits has now become …
Citrix NetScaler RCE zero-days exploited globally for weeks (CVE-2026-88771, CVE-2026-88772)
Citrix has patched eight critical and high-severity vulnerabilities in NetScaler ADC and NetScaler Gateway, two of which (CVE-2026-88771, CVE-2026-88772) have been exploited …
Previously patched Citrix NetScaler flaw exploited in the wild (CVE-2026-8452)
CISA added six new vulnerabilities to its Known Exploited Vulnerabilities (KEV) catalog, including a previously patched Citrix NetScaler ADC and Gateway flaw, tracked as …
Citrix urges customers to fix critical NetScaler authentication bypass (CVE-2026-19490)
Citrix has patched two vulnerabilities in NetScaler ADC and NetScaler Gateway, including a critical authentication bypass flaw tracked as CVE-2026-19490, and is urging …
Critical NetScaler ADC, Gateway flaw may soon be exploited (CVE-2026-3055)
Citrix has fixed two vulnerabilities in NetScaler ADC and NetScaler Gateway, with the more serious flaw (CVE-2026-3055) potentially allowing attackers to extract active …
NetScaler ADC/Gateway zero-day exploited by attackers (CVE-2025-7775) – updated!
Three new vulnerabilities affecting (Citrix) NetScaler application delivery controller (ADC) and Gateway devices have been made public, one of which (CVE-2025-7775) has been …
Netscaler vulnerability was exploited as zero-day for nearly two months (CVE-2025-6543)
FortiGuard Labs has reported a dramatic spike in exploitation attempts targeting CitrixBleed 2, a critical buffer over‑read flaw (CVE‑2025‑5777) affecting Citrix NetScaler ADC …
Check for CitrixBleed 2 exploitation even if you patched quickly! (CVE-2025-5777)
With PoC exploits for CVE-2025-5777 (aka CitrixBleed 2) now public and reports of active exploitation of the flaw since mid-June, you should check whether your Citrix …
CitrixBleed 2 might be actively exploited (CVE-2025-5777)
While Citrix has observed some instances where CVE-2025-6543 has been exploited on vulnerable NetScaler networking appliances, the company still says that they don’t …
Critical Citrix NetScaler bug fixed, upgrade ASAP! (CVE-2025-5777)
Citrix has fixed a critical vulnerability (CVE-2025-5777) in NetScaler ADC and NetScaler Gateway reminiscent of the infamous and widely exploited CitrixBleed flaw. The …
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