Authentication Bypass in Home Assistant's Konnected Integration
CVE-2026-54317

7.6HIGH

Key Information:

Status
Vendor
CVE Published:
23 June 2026

What is CVE-2026-54317?

The Konnected integration in Home Assistant, an open-source home automation software, previously allowed unauthorized access to sensitive functions due to a lack of proper authentication checks for GET requests. While write requests (POST and PUT) validate against an access token, the read requests (GET) were exposed, letting attackers potentially access crucial data. This issue has been resolved in the 2026.6.0 update, emphasizing the importance of robust security measures in IoT devices.

Affected Version(s)

core < 2026.6.0

References

CVSS V3.1

Score:
7.6
Severity:
HIGH
Confidentiality:
High
Integrity:
Low
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.