CVE-2026-56589: Hcltech Bigfix Service Management

High severity, CVSS 7.2. EPSS: 0.2% chance of exploitation in the next 30 days.

HCL BigFix Service Management is affected by a Stored Cross-Site Scripting (XSS) vulnerability, which could allow an attacker to inject and store malicious scripts within the application that execute when a victim views the affected page, enabling session hijacking and the theft of sensitive data.

Affected products

• Hcltech Bigfix Service Management: version 27 only

Published 2026-10-01. Last modified 2026-10-05.