security: Fix MITM RCE vulnerability in microcode scripts

- Changed Intel microcode download from HTTP to HTTPS
- Added --proto '=https' flag to curl to prevent protocol downgrade attacks
- Simplified output parameter from basename to direct variable reference
- Affects: tools/pve/microcode.sh (line 79) and tools/pve/pbs-microcode.sh (line 93)
- CVSS: 6.5 (Medium) - CWE-494, CWE-300, CWE-829
- Impact: Prevents network-path MITM attacks that could lead to root RCE

The AMD branch was already using HTTPS, this fix brings Intel branch
to parity and closes the vulnerability reported in security advisory.

CHANGELOG.md

@@ -486,8 +486,13 @@ Exercise vigilance regarding copycat or coat-tailing sites that seek to exploit
 
   - #### 🐞 Bug Fixes
 
+    - homelable: preserve MCP server config across updates [@ferr079](https://github.com/ferr079) ([#14996](https://github.com/community-scripts/ProxmoxVE/pull/14996))
     - changedetection: migrate Python install to uv venv [@ferr079](https://github.com/ferr079) ([#14995](https://github.com/community-scripts/ProxmoxVE/pull/14995))
 
+  - #### 🔧 Refactor
+
+    - Update Flowwiseai to node 24 [@michelroegl-brunner](https://github.com/michelroegl-brunner) ([#14999](https://github.com/community-scripts/ProxmoxVE/pull/14999))
+
 ## 2026-06-07
 
 ### 🚀 Updated Scripts

ct/homelable.sh

@@ -38,6 +38,9 @@ function update_script() {
     msg_info "Backing up Configuration and Data"
     cp /opt/homelable/backend/.env /opt/homelable.env.bak
     cp -r /opt/homelable/data /opt/homelable_data_bak
+    if [[ -f /opt/homelable/mcp/.env ]]; then
+      cp -a /opt/homelable/mcp/.env /opt/homelable-mcp.env.bak
+    fi
     msg_ok "Backed up Configuration and Data"
 
     CLEAN_INSTALL=1 fetch_and_deploy_gh_release "homelable" "Pouzor/homelable" "tarball" "latest" "/opt/homelable"
@@ -61,6 +64,19 @@ function update_script() {
     rm -rf /opt/homelable_data_bak
     msg_ok "Restored Configuration and Data"
 
+    if [[ -f /opt/homelable-mcp.env.bak ]]; then
+      msg_info "Restoring MCP Server"
+      cp -a /opt/homelable-mcp.env.bak /opt/homelable/mcp/.env
+      rm -f /opt/homelable-mcp.env.bak
+      MCP_OWNER=$(stat -c '%U' /opt/homelable/mcp/.env)
+      cd /opt/homelable/mcp
+      $STD uv venv --clear /opt/homelable/mcp/.venv
+      $STD uv pip install --python /opt/homelable/mcp/.venv/bin/python -r requirements.txt
+      chown -R "$MCP_OWNER":"$MCP_OWNER" /opt/homelable/mcp
+      systemctl restart homelable-mcp
+      msg_ok "Restored MCP Server"
+    fi
+
     msg_info "Starting Service"
     systemctl start homelable
     msg_ok "Started Service"

tools/pve/microcode.sh

@@ -76,7 +76,7 @@ intel() {
   }
 
   msg_info "Downloading the Intel Processor Microcode Package $microcode"
-  curl -fsSL "http://ftp.debian.org/debian/pool/non-free-firmware/i/intel-microcode/$microcode" -o $(basename "http://ftp.debian.org/debian/pool/non-free-firmware/i/intel-microcode/$microcode")
+  curl -fsSL --proto '=https' "https://ftp.debian.org/debian/pool/non-free-firmware/i/intel-microcode/$microcode" -o "$microcode"
   msg_ok "Downloaded the Intel Processor Microcode Package $microcode"
 
   msg_info "Installing $microcode (Patience)"

tools/pve/pbs-microcode.sh

@@ -90,7 +90,7 @@ intel() {
   }
 
   msg_info "Downloading Intel processor microcode package $microcode"
-  curl -fsSL "http://ftp.debian.org/debian/pool/non-free-firmware/i/intel-microcode/$microcode" -o $(basename "http://ftp.debian.org/debian/pool/non-free-firmware/i/intel-microcode/$microcode")
+  curl -fsSL --proto '=https' "https://ftp.debian.org/debian/pool/non-free-firmware/i/intel-microcode/$microcode" -o "$microcode"
   msg_ok "Downloaded Intel processor microcode package $microcode"
 
   msg_info "Installing $microcode (this might take a while)"