Advisory Security Update: Guidance for NetScaler SAML Authentication Deployments
This security NetScaler (Citrix) advisory covers CTX697096.
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Summary
NetScaler engineering and support teams are tracking a newly observed issue related to SAML authentication in customer-managed NetScaler deployments. This post explains what customers should review, how to determine whether the relevant configuration is present, and what mitigation options are available while planning an upgrade to a fixed build.
A new security bulletin and a new blog has been published. The guidance below is intended to help customers take immediate action to reduce exposure.
As with any security-related issue, customers should prioritize applying the updated NetScaler builds referenced in the applicable security bulletin. What is being observed The issue is associated with NetScaler deployments that use SAML authentication in conjunction with Gateway or AAA functionality.
Customers who have deployed NetScaler as a Gateway or AAA virtual server should review their NetScaler configurations to determine whether SAML authentication actions are configured. Based on the information currently available to us, this issue is configuration dependent.
Customers should search for the following configuration patterns in their NetScaler configurations to determine applicability.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · low-confidence parse· fetched 3 days ago·verify at source
Fixed versions
No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.
Official advisory · low-confidence parse· fetched 3 days ago·verify at source
Mitigation checklist
- We recommend that customers bookmark and monitor this article for the latest updates.
- Subscribe to Security Bulletins Citrix strongly recommends that all customers subscribe to receive alerts when a Citrix security bulletin is created or modified at https://support.citrix.com/wolken-support/view/aboutsupport/my-support-alerts Last Updated on: October 3, 2026 (Pacific Daylight Time)
Official advisory · low-confidence parse· fetched 3 days ago·verify at source
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