CVE-2026-86520CWE-798hardcoded-credentials

CVE-2026-86520

High · published September 18, 2026

CVSS v3.1
7.5
EPSS
0%
Percentile
34.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS v4.0
8.7 · CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
EPSS
0.00409 · 34.0th percentile
Weakness
CWE-798 · Use of Hard-coded Credentials
Published
2026-09-18T20:17Z
References (2)
https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-260-01.json · [email protected]https://www.cisa.gov/news-events/ics-advisories/icsa-26-260-01 · [email protected]
EPSS history
Timeline
  • 20 SEP 03:24Z
    EPSS moved — → 0%
    epss
  • 18 SEP 15:43Z
    Use of Hard-coded Credentials in Bransys ELD
    cvelistv5