Traveler for Microsoft Outlook vulnerability

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.

Published 27 Jun 2026Updated 29 Sep 20261 sources
CVSS 5.5

What happened

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 versions

Traveler for Microsoft Outlook: <3.0.15 Fixed: See vendor advisory.

Why it matters

Review the vendor advisory and exposure of the affected product to determine operational impact.

Detection & mitigation

  • Apply vendor-provided updates or mitigations.
  • Review affected product exposure and access logs.

Public PoC references

No public PoC reference has passed the current publication threshold.