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Citrix security briefs

13 published alerts for Citrix products and services.

Actively exploited (KEV)

CVE-2026-19490

Citrix NetScaler Authentication Bypass Using an Alternate Path or Channel Vulnerability

Citrix NetScaler is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2026-19490). Citrix NetScaler ADC and NetScaler Gateway contain an authentication-bypass vulnerability involving an alternate path or channel. When the NetScaler appliance is configured as an AAA virtual server or as a Gateway (SSL VPN, ICA Proxy, CVPN, or RDP Proxy), an unauthenticated remote threat actor may be able to bypass authentication. CISA remediation due date: 2026-09-12. If you need help checking exposure, call (864) 335-9223.

Actively exploited (KEV)

CVE-2026-8452

NetScaler ADC and NetScaler Gateway vulnerability

Citrix NetScaler ADC and NetScaler Gateway is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2026-8452). Citrix NetScaler ADC and NetScaler Gateway contain an improper restriction of operations within the bounds of a memory buffer vulnerability which could lead to denial of service. CISA remediation due date: 2026-08-29. If you need help checking exposure, call (864) 335-9223.

Actively exploited (KEV)

CVE-2026-3055

Citrix NetScaler Out-of-Bounds Read Vulnerability

Citrix NetScaler is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2026-3055). Citrix NetScaler ADC (formerly Citrix ADC), NetScaler Gateway (formerly Citrix Gateway) and NetScaler ADC FIPS and NDcPP contain an out-of-bounds reads vulnerability when configured as a SAML IDP leading to memory overread. CISA remediation due date: 2026-04-02. If you need help checking exposure, call (864) 335-9223.

Actively exploited (KEV)

CVE-2025-7775

Citrix NetScaler Memory Overflow Vulnerability

Citrix NetScaler is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2025-7775). Citrix NetScaler ADC and NetScaler Gateway contain a memory overflow vulnerability that could allow for remote code execution and/or denial of service. CISA remediation due date: 2025-08-28. If you need help checking exposure, call (864) 335-9223.

Actively exploited (KEV)

CVE-2024-8069

Citrix Session Recording Deserialization of Untrusted Data Vulnerability

Citrix Session Recording is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2024-8069). Citrix Session Recording contains a deserialization of untrusted data vulnerability that allows limited remote code execution with privilege of a NetworkService Account access. Attacker must be an authenticated user on the same intranet as the session recording server. CISA remediation due date: 2025-09-15. If you need help checking exposure, call (864) 335-9223.

Actively exploited (KEV)

CVE-2024-8068

Citrix Session Recording Improper Privilege Management Vulnerability

Citrix Session Recording is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2024-8068). Citrix Session Recording contains an improper privilege management vulnerability that could allow for privilege escalation to NetworkService Account access. An attacker must be an authenticated user in the same Windows Active Directory domain as the session recording server domain. CISA remediation due date: 2025-09-15. If you need help checking exposure, call (864) 335-9223.

Actively exploited (KEV)Ransomware

CVE-2025-5777

Citrix NetScaler ADC and Gateway Out-of-Bounds Read Vulnerability

Citrix NetScaler ADC and Gateway is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2025-5777). Citrix NetScaler ADC and Gateway contain an out-of-bounds read vulnerability due to insufficient input validation. This vulnerability can lead to memory overread when the NetScaler is configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) OR AAA virtual server. CISA remediation due date: 2025-07-11. If you need help checking exposure, call (864) 335-9223.

Actively exploited (KEV)Ransomware

CVE-2023-4966

Citrix NetScaler ADC and NetScaler Gateway Buffer Overflow Vulnerability

Citrix NetScaler ADC and NetScaler Gateway is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2023-4966). Citrix NetScaler ADC and NetScaler Gateway contain a buffer overflow vulnerability that allows for sensitive information disclosure when configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) or AAA virtual server. CISA remediation due date: 2023-11-08. If you need help checking exposure, call (864) 335-9223.

Actively exploited (KEV)Ransomware

CVE-2023-3519

Citrix NetScaler ADC and NetScaler Gateway Code Injection Vulnerability

Citrix NetScaler ADC and NetScaler Gateway is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2023-3519). Citrix NetScaler ADC and NetScaler Gateway contains a code injection vulnerability that allows for unauthenticated remote code execution. CISA remediation due date: 2023-08-09. If you need help checking exposure, call (864) 335-9223.

Actively exploited (KEV)Ransomware

CVE-2021-22941

Citrix ShareFile Improper Access Control Vulnerability

Citrix ShareFile is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2021-22941). Improper Access Control in Citrix ShareFile storage zones controller may allow an unauthenticated attacker to remotely compromise the storage zones controller. CISA remediation due date: 2022-04-15. If you need help checking exposure, call (864) 335-9223.

Actively exploited (KEV)Ransomware

CVE-2019-19781

Citrix ADC, Gateway, and SD-WAN WANOP Appliance Code Execution Vulnerability

Citrix Application Delivery Controller (ADC), Gateway, and SD-WAN WANOP Appliance is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2019-19781). Citrix ADC, Citrix Gateway, and multiple Citrix SD-WAN WANOP appliance models contain an unspecified vulnerability that could allow an unauthenticated attacker to perform code execution. CISA remediation due date: 2022-05-03. If you need help checking exposure, call (864) 335-9223.

Actively exploited (KEV)Ransomware

CVE-2019-13608

Citrix StoreFront Server XML External Entity (XXE) Processing Vulnerability

Citrix StoreFront Server is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2019-13608). Citrix StoreFront Server contains an XML External Entity (XXE) processing vulnerability that may allow an unauthenticated attacker to retrieve potentially sensitive information. CISA remediation due date: 2022-05-03. If you need help checking exposure, call (864) 335-9223.

Actively exploited (KEV)Ransomware

CVE-2019-11634

Citrix Workspace Application and Receiver for Windows Remote Code Execution Vulnerability

Citrix Workspace Application and Receiver for Windows is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2019-11634). Citrix Workspace Application and Receiver for Windows contains remote code execution vulnerability resulting from local drive access preferences not being enforced into the clients' local drives. CISA remediation due date: 2022-05-03. If you need help checking exposure, call (864) 335-9223.