What is CVE-2026-86520?

CVE-2026-86520 is a high-severity vulnerability in Bransys Eld, classified under Use of Hard-coded Credentials. CVSS score: 7.5/10. Published 2026-09-18.

How severe is CVE-2026-86520?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Bransys Eld

CVE-2026-86520

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.

Published 2026-09-18 · last modified 2026-09-18.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.004 (35.2th percentile), scored 2026-11-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 35th percentile — 35.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Bransys Eld

Weakness classification (CWE)

CWE-798 — Use of Hard-coded Credentials

References

Frequently asked questions

What is CVE-2026-86520?: CVE-2026-86520 is a high-severity vulnerability in Bransys Eld, classified under Use of Hard-coded Credentials. CVSS score: 7.5/10. Published 2026-09-18.
How severe is CVE-2026-86520?: High severity. CVSS v3 base score is 7.5 out of 10.