CVE-2025-59868 HCL Traveler for Microsoft Outlook (HTMO) is susceptible to sensitive data exposure
An attacker can expose sensitive application information in HCL Traveler for Microsoft Outlook, potentially facilitating further attacks.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-59868?
CVE-2025-59868 is a medium-severity vulnerability in HCLSoftware Traveler for Microsoft Outlook, published on 27 Jun 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
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.
Weakness: CWE-532
Which versions are affected by CVE-2025-59868?
It affects 1 product.
Products include Hcltech Traveler for Microsoft Outlook.
How do I fix CVE-2025-59868?
No fix has been published for CVE-2025-59868 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-59868 being exploited?
There is no known exploitation of CVE-2025-59868 in the wild and no public exploit code.
Other vulnerabilities in HCLSoftware Traveler for Microsoft Outlook
- CVE-2023-37524 HCL Traveler for Microsoft Outlook (HTMO) is susceptible to vulnerabilities due to .NET Framework 4.5 being out of service.
- CVE-2024-23581 HCL Traveler for Microsoft Outlook (HTMO) is susceptible to an application modification vulnerability
- CVE-2024-30134 HCL Traveler for Microsoft Outlook (HTMO) is susceptible to an application modification vulnerability
- CVE-2024-42190 HCL Traveler for Microsoft Outlook (HTMO) is susceptible to DLL hijacking
- CVE-2024-42191 HCL Traveler for Microsoft Outlook (HTMO) is susceptible to COM hijacking
Sources
Also known as GHSA-h9qh-pc26-3235.