NetScaler (Citrix) Security Advisories & CVEs
8 advisories tracked · NetScaler / Cloud Software Group Security Bulletins · direct feeds checked every minute; rate-limited backstops use a safe source cadence
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NetScaler / Cloud Software Group Security Bulletins
Polled via the official NetScaler blog RSS feed, filtered to security bulletin posts. Bulletin posts carry affected builds and link to the CTX security bulletin on Citrix Support (which sits behind a bot challenge and cannot be fetched directly).
Latest NetScaler advisories
Critical [CVE-2026-19490] NetScaler ADC and NetScaler Gateway Security Bulletin for CVE-2026-19490
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.
High [CVE-2026-19489] Vulnerability in NetScaler ADC and NetScaler Gateway
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.
High [CVE-2026-3055] Important Update: CVE Disclosures Now Live on the Citrix Community Site
All CVE disclosure blogs have moved to The Citrix Community Site Going forward, all CVE disclosure blogs will be published in the Security Updates tab on the Citrix Community website. CVE-2026-3055 & CVE 2026-4368 Cloud Software Group released builds on March 23, 2026 to address CVE-2026-3055 and CVE 2026-4368.
Medium Medium severity security update announced for NetScaler Gateway and NetScaler
Cloud Software Group released builds on November 11, 2025, to address one security vulnerability. NetScaler Gateway & NetScaler is affected by CVE 2025-12101, which has a CVSS score of 5.9. CVE 2025-12101 is a cross-site scripting vulnerability impacting NetScaler Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy, or AAA virtual server). Affected products named by the advisory: NetScaler ADC.
Critical [CVE-2025-7775 +2] Critical security update announced for NetScaler Gateway and NetScaler
Cloud Software Group released builds on August 26, 2025, to address three security vulnerabilities. NetScaler Gateway & NetScaler is affected by CVE-2025-7775, which has a CVSS score of 9.2. CVE-2025-7776 impacts NetScaler Gateway (CVSS 8.8), CVE-2025-8424 impacts NetScaler (CVSS 8.7). Affected products named by the advisory: NetScaler ADC; NetScaler Console.
Critical Leading the Quantum-Ready Transition: How NetScaler Helps Prevent a Silent Data Breach Decades in the Making
The Quantum Threat is No Longer Theoretical Today, every sensitive piece of data you create, transmit, and store is encrypted. The algorithms that have underpinned modern encryption standards have generally been viewed as robust and “unbreakable” —- but that foundation is about to collapse. Affected product named by the advisory: NetScaler Console.
Unknown [CVE-2025-5777] Evaluating NetScaler logs for indicators of attempted exploitation of CVE-2025-5777
In our recent update to our announcement of CVE 2025-5777, we noted that on July 10, 2025, CISA added CVE-2025-5777 to its Known Exploited Vulnerabilities Catalog. To help customers assess their security posture, we’ve provided additional guidance below. Affected product named by the advisory: Gateway.
Critical [CVE-2023-3519] NetScaler ADC: Unauthenticated remote code execution
Unauthenticated remote code execution Affected products named by the advisory: NetScaler ADC; NetScaler Gateway.