CVE-2026-55844
Home Assistant: iOS Companion App ignores internal SSID allowlist for connections – possible leak of access token and sensor data
Description
Home Assistant is open source home automation software that puts local control and privacy first. Prior to 2025.5.0, The iOS companion app ignores the SSID allowlist for internal networks. The app uses SSID to detect when to use the internal URL, but whenever the app cannot find any other URL to be used, it fallbacks to the internal URL as well, which can expose user's token when connected to a not secure network. This vulnerability is fixed in 2025.5.0.
INFO
Published Date :
June 29, 2026, 2:19 p.m.
Last Modified :
June 29, 2026, 2:19 p.m.
Remotely Exploit :
No
Source :
GitHub_M
Affected Products
The following products are affected by CVE-2026-55844
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
Solution
- Update the iOS companion app to version 2025.5.0.
- Verify the SSID allowlist is correctly configured.
- Ensure the app only uses internal URLs when on trusted networks.
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CVE-2026-55844 vulnerability anywhere in the article.