Product by NetScaler
NetScaler ADC
19 known vulnerabilities in NetScaler ADC (NetScaler), 7 of them actively exploited (CISA KEV).
Key figures
19
Vulnerabilities
7
Actively exploited (KEV)
1
Used by ransomware
10
Critical
Vulnerabilities
Actively exploited vulnerabilities (CISA KEV) first, then by priority. Click a column header to re-sort the table.
| Critical | CVE-2025-5777 | NetScaler ADC and NetScaler Gateway - Insufficient input validation leading to memory overread In CISA KEVRansomwarealso in 3 other products | 7.5 | |
| Critical | CVE-2026-19490 | NetScaler ADC and NetScaler Gateway Security Bulletin for CVE-2026-19490 In CISA KEValso in 5 other products | 9.8 | |
| Critical | CVE-2025-7775 | Memory overflow vulnerability leading to Remote Code Execution and/or Denial of Service In CISA KEValso in 3 other products | 9.8 | |
| Critical | CVE-2025-6543 | Memory overflow vulnerability leading to unintended control flow and Denial of Service In CISA KEValso in 3 other products | 9.8 | |
| Critical | CVE-2026-3055 | Insufficient input validation leading to memory overread In CISA KEValso in 3 other products | 9.8 | |
| Critical | CVE-2026-8452 | Memory overflow vulnerability leading to unpredictable or erroneous behavior and Denial of Service In CISA KEValso in 6 other products | 9.8 | |
| Critical | CVE-2026-88779 | Memory overflow vulnerability leading to Denial of Service In CISA KEValso in 7 other products | 7.5 | |
| Critical | CVE-2025-7776 | Memory overflow vulnerability leading to unpredictable or erroneous behavior and Denial of Service | 9.8 | |
| High | CVE-2026-19489 | NetScaler ADC: security vulnerability | — | |
| High | CVE-2025-5349 | NetScaler ADC and NetScaler Gateway - Improper access control on the NetScaler Management Interface | 8.8 | |
| Medium | CVE-2025-12101 | Cross-Site Scripting (XSS) | — | |
| High | CVE-2025-8424 | Improper access control on the NetScaler Management Interface | — | |
| Critical | CVE-2026-107406 | Memory overflow vulnerability leading to Remote Code Execution or Denial of Service | — | |
| Critical | CVE-2026-8655 | NetScaler ADC: Denial of Service | 9.8 | |
| High | CVE-2026-13474 | Denial of service via malformed HTTP/2 requests | 7.5 | |
| High | CVE-2026-8451 | Insufficient input validation leading to memory overread | 7.5 | |
| High | CVE-2026-10816 | Arbitrary File Read (Unauthenticated) | 7.5 | |
| High | CVE-2026-10817 | Insufficient input validation leading to memory overread | 7.5 | |
| High | CVE-2026-4368 | Race Condition leading to User Session Mixup | — |
News
- Citrix issues its weekly critical security patch for NetScaler ADC and NetScaler Gatewaycsoonline,
- Citrix Patches Critical NetScaler Flaw That Could Enable RCE in SAML Deploymentsthehackernews,
- Citrix Urges Immediate Patching of Critical NetScaler Vulnerabilitysecurityweek,
- Citrix NetScaler security snafus get even worse amid more 0-day reportstheregister-security,
- Citrix warns of actively exploited NetScaler flaw days after zero-day patch rushcsoonline,
- New NetScaler Zero-Day Exploited in Targeted Attacks Can Knock SAML Deployments Offlinethehackernews,