Signature update version 187

Last published : Oct 30, 2026
Updated signatures rule is generated for the vulnerabilities identified in the week 2026-10-19. You can download and configure these signature rules to protect your appliance from security vulnerable attacks.

Signature version

Signature version 187 applicable for Citrix ADC 12.1, Citrix ADC 13.0, NetScaler 13.1, NetScaler 14.1 platforms.
Note
Enabling Post body and Response body signature rules might affect NetScaler CPU.

Common Vulnerability Entry (CVE) insight

Following is the updated signature rule, CVE ID, and its description.
Signature rule CVE ID Description
998061 CVE-2026-109619 WEB-MISC PHP Multiple Versions - Global Stale State Vulnerability upload_progress (CVE-2026-109619)