CVE-2025-59868: Hcltech Traveler For Microsoft Outlook

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

HCL Traveler for Microsoft Outlook (HTMO) is susceptible to a sensitive data exposure vulnerability which could allow an attacker to exploit application information to then attempt additional attacks and cause unknown behavior in the application.

Affected products

• Hcltech Traveler For Microsoft Outlook: before 3.0.15 (fixed in 3.0.15)

Published 2026-06-27. Last modified 2026-09-29.