Vulnerabilities

Summary — last 7 days

New vulnerabilities3,333▲ 343 vs. last week
Critical / high1,493▲ 121 vs. last week
New active exploitation (KEV)7▼ 3 vs. last week
Unscored (no CVSS)592▲ 117 vs. last week
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63 results, sorted by published date (most recent first)

CVEStatusSeverityEPSS Active exploitationAffected technologiesPublished ▼Modified Description
AnalyzedHigh (8.8)0.38%—Citrix Netscaler Application Delivery ControllerCitrix Netscaler Gateway9/27/20269/29/2026
Predictable exact value from previous values vulnerability in Citrix NetScaler ADC and Citrix NetScaler Gateway. This issue affects ADC: before 14.1-73.37, before 13.1-64.23, before 14.1-73.37 FIPS, and before 13.1.37.279 FIPS and NDcPP; Gateway: before 14.1-73.37 and before 13.1-64.23.
ModifiedHigh (8.8)0.38%—Citrix Netscaler Application Delivery ControllerCitrix Netscaler Gateway9/27/20269/29/2026
Memory overflow vulnerability vulnerability in Citrix NetScaler ADC and Citrix NetScaler Gateway. This issue affects ADC: before 14.1-73.37, before 13.1-64.23, before 14.1-73.37 FIPS, and before 13.1.37.279 FIPS and NDcPP; Gateway: before 14.1-73.37 and before 13.1-64.23 leading to unpredictable or erroneous behavior…
ModifiedHigh (8.8)0.38%—Citrix Netscaler Application Delivery ControllerCitrix Netscaler Gateway9/27/20269/29/2026
Memory overflow vulnerability vulnerability in Citrix NetScaler ADC and Citrix NetScaler Gateway. This issue affects ADC: before 14.1-73.37, before 13.1-64.23, before 14.1-73.37 FIPS, and before 13.1.37.279 FIPS and NDcPP; Gateway: before 14.1-73.37 and before 13.1-64.23 leading to unpredictable or erroneous behavior…
ModifiedHigh (8.8)0.38%—Citrix Netscaler Application Delivery ControllerCitrix Netscaler Gateway9/27/20269/29/2026
Memory overflow vulnerability in Citrix NetScaler ADC and Citrix NetScaler Gateway. This issue affects ADC: before 14.1-73.37, before 13.1-64.23, before 14.1-73.37 FIPS, and before 13.1.37.279 FIPS and NDcPP; Gateway: before 14.1-73.37 and before 13.1-64.23 leading Memory overflow vulnerability leading to…
ModifiedHigh (7)0.24%—Citrix Netscaler Application Delivery ControllerCitrix Netscaler Gateway9/27/20269/29/2026
Vulnerability in Citrix NetScaler ADC and Citrix NetScaler Gateway. This issue affects ADC: before 14.1-73.37, before 13.1-64.23, before 14.1-73.37 FIPS, and before 13.1.37.279 FIPS and NDcPP; Gateway: before 14.1-73.37 and before 13.1-64.23 leading to a feature policy bypass due to improper HTTP URL based expression…
AnalyzedCritical (9.3)0.36%—Citrix Netscaler Application Delivery ControllerCitrix Netscaler Gateway9/27/20269/29/2026
Inconsistent interpretation of HTTP requests ('HTTP Request/Response smuggling') vulnerability in Citrix NetScaler ADC and Citrix NetScaler Gateway. This issue affects ADC: before 14.1-73.37, before 13.1-64.23, before 14.1-73.37 FIPS, and before 13.1-37.279 and NDcPP; Gateway: before 14.1-73.37 FIPS and before…
AnalyzedCritical (9.5)1.3%⚠ Active exploitationCitrix Netscaler Application Delivery ControllerCitrix Netscaler Gateway9/27/20269/28/2026
Vulnerability in Citrix NetScaler ADC and Citrix NetScaler Gateway. This issue affects ADC: before 14.1-73.37, before 13.1-64.23, before 14.1-73.37 FIPS, and before 13.1.37.279 FIPS and NDcPP; Gateway: before 14.1-73.37 and before 13.1-64.23 leading to Remote Code Execution or Denial of Service
AnalyzedCritical (9.5)1.1%⚠ Active exploitationCitrix Netscaler Application Delivery ControllerCitrix Netscaler Gateway9/27/20269/29/2026
Improper input validation vulnerability in Citrix NetScaler ADC and Citrix NetScaler Gateway. This issue affects ADC: before 14.1-73.37, before 13.1-64.23, before 14.1-73.37 FIPS, and before 13.1.37.279 FIPS and NDcPP; Gateway: before 14.1-73.37 and before 13.1-64.23 leading to an unauthenticated attacker to execute…
AnalyzedCritical (9.3)7.0%⚠ Active exploitationCitrix Netscaler Application Delivery ControllerCitrix Netscaler Gateway8/19/20269/10/2026
Vulnerability in NetScaler ADC and NetScaler Gateway. This issue affects ADC: from 14.1 through 73.32 and from 13.1 through 63.21; Gateway: from 14.1 through 73.32 and from 13.1 through 63.21.
AnalyzedHigh (8.8)0.63%—Citrix Netscaler Application Delivery ControllerCitrix Netscaler Gateway6/30/20267/1/2026
Multiple Memory overflow vulnerabilities in NetScaler ADC and NetScaler Gateway leading to unpredictable or erroneous behavior and Denial of Service if NetScaler ADC is configured as an LB of type Oracle OR NetScaler ADC is configured as a DNS Proxy OR NetScaler ADC is configured as a DNS recursive resolver deployment
AnalyzedHigh (8.8)1.0%⚠ Active exploitationCitrix Netscaler Application Delivery ControllerCitrix Netscaler Gateway6/30/20268/27/2026
Memory overflow vulnerability NetScaler ADC and NetScaler Gateway leading to unpredictable or erroneous behavior and Denial of Service if the appliance is configured as a Gateway (SSL VPN, ICA Proxy, CVPN, RDP Proxy) or AAA virtual server
AnalyzedHigh (8.8)0.50%—Citrix Netscaler Application Delivery ControllerCitrix Netscaler Gateway6/30/20267/1/2026
Insufficient input validation in NetScaler ADC and NetScaler Gateway leading to memory overread if NetScaler ADC or NetScaler Gateway is configured as a SAML IDP
AnalyzedHigh (8.7)0.56%—Citrix Netscaler Application Delivery ControllerCitrix Netscaler Gateway6/30/20267/2/2026
Denial of service via malformed HTTP/2 requests in NetScaler ADC and NetScaler Gateway if HTTP/2 is enabled in HTTP Profile and associated with the virtual server (of type LB, CS, VPN) or the service configured on NetScaler
AnalyzedMedium (6.9)0.56%—Citrix Netscaler Application Delivery ControllerCitrix Netscaler Gateway6/30/20267/2/2026
Insufficient input validation leading to memory overread in NetScaler ADC and NetScaler Gateway if the TCP TimeStamp is enabled in TCP Profile and is associated with the virtual server (of type LB, CS, VPN) or the service configured on NetScaler
AnalyzedHigh (7.1)0.58%—Citrix Netscaler Application Delivery ControllerCitrix Netscaler Gateway6/30/20267/2/2026
Arbitrary File Read (Unauthenticated) in NetScaler ADC and NetScaler Gateway if the access to NSIP, Cluster Management IP or SNIP with management access is enabled
AnalyzedCritical (9.3)4.0%⚠ Active exploitationCitrix Netscaler Application Delivery ControllerCitrix Netscaler Gateway3/23/20266/17/2026
Insufficient input validation in NetScaler ADC and NetScaler Gateway when configured as a SAML IDP leading to memory overread
AnalyzedHigh (8.8)6.9%—Citrix Netscaler Application Delivery ControllerCitrix Netscaler Gateway8/26/20256/17/2026
Memory overflow vulnerability leading to unpredictable or erroneous behavior and Denial of Service in NetScaler ADC and NetScaler Gateway when NetScaler is configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) with PCoIP Profile bounded to it
AnalyzedCritical (9.2)20%⚠ Active exploitationCitrix Netscaler Application Delivery ControllerCitrix Netscaler Gateway8/26/20256/17/2026
Memory overflow vulnerability leading to Remote Code Execution and/or Denial of Service in NetScaler ADC and NetScaler Gateway when NetScaler is configured as Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) or AAA virtual server (OR) NetScaler ADC and NetScaler Gateway 13.1, 14.1, 13.1-FIPS and NDcPP: LB…
AnalyzedCritical (9.2)11%⚠ Active exploitationCitrix Netscaler Application Delivery ControllerCitrix Netscaler Gateway6/25/20256/17/2026
Memory overflow vulnerability leading to unintended control flow and Denial of Service in NetScaler ADC and NetScaler Gateway when configured as Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) OR AAA virtual server
AnalyzedCritical (9.3)100%⚠ Active exploitationCitrix Netscaler Application Delivery ControllerCitrix Netscaler Gateway6/17/20258/4/2026
Insufficient input validation leading to memory overread when the NetScaler is configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) OR AAA virtual server
AnalyzedHigh (8.7)6.2%—Citrix Netscaler Application Delivery ControllerCitrix Netscaler Gateway6/17/20256/17/2026
Improper access control on the NetScaler Management Interface in NetScaler ADC and NetScaler Gateway
AnalyzedMedium (5.8)0.42%—Citrix Netscaler Application Delivery ControllerCitrix Netscaler Gateway11/12/20246/17/2026
Authenticated user can access unintended user capabilities in NetScaler ADC and NetScaler Gateway if the appliance must be configured as a Gateway (SSL VPN, ICA Proxy, CVPN, RDP Proxy) with KCDAccount configuration for Kerberos SSO to access backend resources OR the appliance must be configured as an Auth Server (AAA…
AnalyzedHigh (8.4)0.56%—Citrix Netscaler Application Delivery ControllerCitrix Netscaler Gateway11/12/20246/17/2026
Memory safety vulnerability leading to memory corruption and Denial of Service in NetScaler ADC and Gateway if the appliance must be configured as a Gateway (VPN Vserver) with RDP Feature enabled OR the appliance must be configured as a Gateway (VPN Vserver) and RDP Proxy Server Profile is created and set to Gateway…
AnalyzedMedium (5.1)0.55%—Citrix Netscaler Application Delivery ControllerCitrix Netscaler Gateway7/10/20246/17/2026
Open redirect vulnerability allows a remote unauthenticated attacker to redirect users to arbitrary websites in NetScaler ADC and NetScaler Gateway
AnalyzedHigh (7.2)0.76%—Citrix Netscaler Application Delivery ControllerCitrix Netscaler Gateway7/10/20246/17/2026
Denial of Service in NetScaler ADC and NetScaler Gateway in NetScaler