CVE-2025-52621: Hcltech Bigfix Saas

High severity, CVSS 7.5. EPSS: 0.2% chance of exploitation in the next 30 days.

HCL BigFix SaaS Authentication Service is vulnerable to cache poisoning.  The BigFix SaaS's HTTP responses were observed to include the Origin header. Its presence alongside an unvalidated reflection of the Origin header value introduces a potential for cache poisoning.

Affected products

• Hcltech Bigfix Saas: before 8.1.14 (fixed in 8.1.14)

Published 2025-08-15. Last modified 2026-06-17.