CVE-2026-86520 Use of Hard-coded Credentials in Bransys ELD

High 8.7 Published Updated

Hardcoded MQTT credentials allow attackers to read real-time data from active Bransys ELD devices across connected carriers.

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-2026-86520?

CVE-2026-86520 is a high-severity vulnerability in Bransys ELD, published on 18 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Bransys ELD is shipped with hardcoded MQTT credentials, which will grant read access to real-time data for every active device across a subset of carriers that were connected to the affected MQTT broker.

Weakness: CWE-798

Which versions are affected by CVE-2026-86520?

How do I fix CVE-2026-86520?

No fix has been published for CVE-2026-86520 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-86520 being exploited?

There is no known exploitation of CVE-2026-86520 in the wild and no public exploit code.

Sources

Also known as GHSA-g6x8-qp3x-c79j.

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