Signature update version 188
New signatures rules are generated for the vulnerabilities identified in the week 2026-10-28. You can download and configure these signature rules to protect your appliance from security vulnerable attacks.
Signature version
Signature version 188 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 a list of signature rules, CVE IDs, and its description.
| Signature rule | CVE ID | Description |
|---|---|---|
| 998057 | CVE-2026-19516 | LLM Grafana MCP Server Prior to 1.1.0 - SSRF Vulnerability (CVE-2026-19516) |
| 998058 | CVE-2026-111497 | WEB-MISC Google Brotli Multiple Versions - Buffer Overflow Vulnerability (CVE-2026-111497) |
| 998059 | CVE-2026-65880 | WEB-MISC Joomla Balbooa Prior to 2.4.1 - Remote Code Execution Vulnerability (CVE-2026-65880) |
| 998060 | CVE-2026-65880 | WEB-MISC Joomla Balbooa Prior to 2.4.1 - Remote Code Execution Vulnerability via option (CVE-2026-65880) |