CVE-2025-59868: HCLSoftware Traveler for Microsoft Outlook · Sensitive Data in Logs
Affects HCLSoftware Traveler for Microsoft OutlookSource CVE Database V5
Not known to be exploited · CVSS 5.5 Medium : upgrade to 3.0.15 when convenient.
Data as of 8 Nov 2026, 23:24 UTC
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 4% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 3.0.15
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:NExploitation evidence
Disclosed: evidence found.
CVE published 27 Jun 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 8 Nov 2026.
What to do
Upgrade HCLSoftware Traveler for Microsoft Outlook to 3.0.15.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| HCLSoftwareTraveler for Microsoft Outlook | Affected
| Fixed in
|
AI-suggested
If you cannot patch yet, restrict local access to systems running affected versions of HCL Traveler for Microsoft Outlook to trusted users only and monitor for any suspicious activity related to log file access.
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.