Security Vulnerably Warning non working link

**Home Assistant Android app version(s):**
2023.3.0-full

**Android version(s):**
Android 13 Security Patch April 1st, 2023

**Device model(s):**
Samsung Galaxy S23 Ultra (SM-S918BZKHEUX)

**Home Assistant version:**
Home Assistant 2023.4.5
Supervisor 2023.04.0
Frontend 20230411.1 - latest
Running on a Supervised installation on Debian 11

**Last working Home Assistant release (if known):**
Unknown

**Description of problem, include YAML if issue is related to notifications:**
The following warning is shown in the Home Assistant Companion App for Android: "Security Vulnerably Warning" (screenshot 1)

The link behind "Bekijk nieuwsbrief" (View Bulletin) points to a location (https://www.home-assistant.io/latest-security-alert/) which is is unavailable. (screenshot 2)

I'd like to know which security issue was detected, but I can't find it out using this link.

As this link shows up here below, I hope that this is the correct place to report this. I have also reported this issue at https://github.com/home-assistant/alerts.home-assistant.io/issues/612.
https://github.com/home-assistant/android/blob/64ee62b8fa5c615b8fc45e6c237b34b6d89389ea/app/src/main/java/io/homeassistant/companion/android/webview/WebViewActivity.kt#L1266

**Companion App Logs:**

```
N/A
```

**Screenshot or video of problem:**
Screenshot 1:
Screenshot 2:

**Additional information:**