CVE-2026-66840 Information disclosure in XING CPTrans-ME-X

High 8.7 Published Updated

Attackers can access sensitive system information from XING CPTrans-ME-X due to improper exposure controls.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-66840?

CVE-2026-66840 is a high-severity vulnerability in XING CPTrans-ME-X, published on 4 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

XING CPTrans-ME-X contains an Exposure of Sensitive System Information to an Unauthorized Control Sphere (CWE-497). Sensitive system information may be leaked.

Weakness: CWE-497

Which versions are affected by CVE-2026-66840?

How do I fix CVE-2026-66840?

No fix has been published for CVE-2026-66840 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-66840 being exploited?

There is no known exploitation of CVE-2026-66840 in the wild and no public exploit code.

Sources

Also known as GHSA-fhhq-q67p-8cvj.

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