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VulnerabilityPublished Updated

CVE-2025-59868: HCLSoftware Traveler for Microsoft Outlook · Sensitive Data in Logs

Affects HCLSoftware Traveler for Microsoft OutlookSource CVE Database V5

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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

CVSS 3.1 base score
5.5Medium
How severe the flaw is on the 0–10 CVSS scale.
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:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 27 Jun 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq 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

ProductAffectedFixed in
HCLSoftwareTraveler for Microsoft OutlookAffected
  • <3.0.15
Fixed in
  • 3.0.15

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.

References

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