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CVE-2026-66061

7.1 · HIGH

Home Assistant is open source home automation software focused on local control and privacy.

Published Aug 7, 2026CWE-862EPSS 0.17%

Overview

CVE-2026-66061 is a high-severity vulnerability. It was published on August 7, 2026 and has a CVSS 3.1 base score of 7.1 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.1, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

Home Assistant is open source home automation software focused on local control and privacy. Prior to 2026.5.0, the iOS Companion app treats tag links (NFC or QR) delivered through an OS-level routing mechanism such as iOS universal links as if they were physically scanned, without validating the calling app or prompting the user. As a result, any untrusted app on the device can forward an arbitrary tag to Home Assistant, causing it to execute the associated automation as though a legitimate user had scanned an authorized tag. This allows silent, unattended automation execution by untrusted local callers. This issue has been fixed in version 2026.5.0.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/home-assistant/core/security/advisories/GHSA-j23v-9672-677jGitHubgithub.com/home-assistant/iOS/commit/45e05e6666c74fdbea44cc4d6fb103043fff6fd9GitHubgithub.com/home-assistant/core/security/advisories/GHSA-j23v-9672-677j

How CyberStrike helps

Frequently asked questions

What is CVE-2026-66061?

CVE-2026-66061 is a high-severity vulnerability. It was published on August 7, 2026 and has a CVSS 3.1 base score of 7.1 (HIGH).

How severe is CVE-2026-66061?

This vulnerability has a CVSS 3.1 base score of 7.1, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-66061?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-66061?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-66061 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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