diff --git a/.github/workflows/X-x86_64_X.yml b/.github/workflows/X-x86_64_X.yml
index 2bab4cd..9bb1faa 100644
--- a/.github/workflows/X-x86_64_X.yml
+++ b/.github/workflows/X-x86_64_X.yml
@@ -124,11 +124,19 @@ jobs:
       run: |
         echo "Free space:"
         df -h
-        if [ -n "${{ github.event.inputs.Tempoary_CONFIG }}" ]
+        INPUT_CONFIG="${{ github.event.inputs.Tempoary_CONFIG || '' }}"
+        INPUT_IP="${{ github.event.inputs.Tempoary_IP || '' }}"
+        INPUT_FLAG="${{ github.event.inputs.Tempoary_FLAG || '' }}"
+
+        if [ -n "${INPUT_CONFIG}" ]
         then
-            if [ -f "$GITHUB_WORKSPACE/Configs/${{ github.event.inputs.Tempoary_CONFIG }}" ]
+            if [[ ! "${INPUT_CONFIG}" =~ ^[A-Za-z0-9._-]+$ ]]
             then
-                CONFIG_FILE=${{ github.event.inputs.Tempoary_CONFIG }}
+                echo "Invalid CONFIG_FILE input: [${INPUT_CONFIG}]"
+                exit 1
+            elif [ -f "$GITHUB_WORKSPACE/Configs/${INPUT_CONFIG}" ]
+            then
+                CONFIG_FILE="${INPUT_CONFIG}"
             else
                 CONFIG_FILE=${{ env.CONFIG_FILE }}
             fi
@@ -143,15 +151,34 @@ jobs:
             echo "CONFIG_FILE: [/Config/$CONFIG_FILE]"
             echo "CONFIG_FILE=$CONFIG_FILE" >> $GITHUB_ENV
         fi
-        if [ -n "${{ github.event.inputs.Tempoary_IP }}" ]
+        if [ -n "${INPUT_IP}" ]
         then
-            echo "IP: [${{ github.event.inputs.Tempoary_IP }}]"
-            echo "Tempoary_IP=${{ github.event.inputs.Tempoary_IP }}" >> $GITHUB_ENV
+            if [[ ! "${INPUT_IP}" =~ ^([0-9]{1,3}\.){3}[0-9]{1,3}$ ]]
+            then
+                echo "Invalid Tempoary_IP input: [${INPUT_IP}]"
+                exit 1
+            fi
+            IFS=. read -r ip1 ip2 ip3 ip4 <<< "${INPUT_IP}"
+            for octet in "$ip1" "$ip2" "$ip3" "$ip4"
+            do
+                if (( octet < 0 || octet > 255 ))
+                then
+                    echo "Invalid Tempoary_IP input: [${INPUT_IP}]"
+                    exit 1
+                fi
+            done
+            echo "IP: [${INPUT_IP}]"
+            echo "Tempoary_IP=${INPUT_IP}" >> $GITHUB_ENV
         fi
-        if [ -n "${{ github.event.inputs.Tempoary_FLAG }}" ]
+        if [ -n "${INPUT_FLAG}" ]
         then
-            echo "FLAG: [${{ github.event.inputs.Tempoary_FLAG }}]"
-            echo "Tempoary_FLAG=${{ github.event.inputs.Tempoary_FLAG }}" >> $GITHUB_ENV
+            if [[ ! "${INPUT_FLAG}" =~ ^[A-Za-z0-9]+$ ]]
+            then
+                echo "Invalid Tempoary_FLAG input: [${INPUT_FLAG}]"
+                exit 1
+            fi
+            echo "FLAG: [${INPUT_FLAG}]"
+            echo "Tempoary_FLAG=${INPUT_FLAG}" >> $GITHUB_ENV
         fi
         REPO_URL="https://github.com/$(cut -d \: -f 1 <<< ${{ env.DEFAULT_SOURCE }})"
         REPO_BRANCH=$(cut -d \: -f 2 <<< ${{ env.DEFAULT_SOURCE }})
diff --git a/.github/workflows/X-x86_64_Y.yml b/.github/workflows/X-x86_64_Y.yml
index fd25022..879a002 100644
--- a/.github/workflows/X-x86_64_Y.yml
+++ b/.github/workflows/X-x86_64_Y.yml
@@ -115,11 +115,19 @@ jobs:
       run: |
         echo "Free space:"
         df -h
-        if [ -n "${{ github.event.inputs.Tempoary_CONFIG }}" ]
+        INPUT_CONFIG="${{ github.event.inputs.Tempoary_CONFIG || '' }}"
+        INPUT_IP="${{ github.event.inputs.Tempoary_IP || '' }}"
+        INPUT_FLAG="${{ github.event.inputs.Tempoary_FLAG || '' }}"
+
+        if [ -n "${INPUT_CONFIG}" ]
         then
-            if [ -f "$GITHUB_WORKSPACE/Configs/${{ github.event.inputs.Tempoary_CONFIG }}" ]
+            if [[ ! "${INPUT_CONFIG}" =~ ^[A-Za-z0-9._-]+$ ]]
             then
-                CONFIG_FILE=${{ github.event.inputs.Tempoary_CONFIG }}
+                echo "Invalid CONFIG_FILE input: [${INPUT_CONFIG}]"
+                exit 1
+            elif [ -f "$GITHUB_WORKSPACE/Configs/${INPUT_CONFIG}" ]
+            then
+                CONFIG_FILE="${INPUT_CONFIG}"
             else
                 CONFIG_FILE=${{ env.CONFIG_FILE }}
             fi
@@ -134,15 +142,34 @@ jobs:
             echo "CONFIG_FILE: [/Config/$CONFIG_FILE]"
             echo "CONFIG_FILE=$CONFIG_FILE" >> $GITHUB_ENV
         fi
-        if [ -n "${{ github.event.inputs.Tempoary_IP }}" ]
+        if [ -n "${INPUT_IP}" ]
         then
-            echo "IP: [${{ github.event.inputs.Tempoary_IP }}]"
-            echo "Tempoary_IP=${{ github.event.inputs.Tempoary_IP }}" >> $GITHUB_ENV
+            if [[ ! "${INPUT_IP}" =~ ^([0-9]{1,3}\.){3}[0-9]{1,3}$ ]]
+            then
+                echo "Invalid Tempoary_IP input: [${INPUT_IP}]"
+                exit 1
+            fi
+            IFS=. read -r ip1 ip2 ip3 ip4 <<< "${INPUT_IP}"
+            for octet in "$ip1" "$ip2" "$ip3" "$ip4"
+            do
+                if (( octet < 0 || octet > 255 ))
+                then
+                    echo "Invalid Tempoary_IP input: [${INPUT_IP}]"
+                    exit 1
+                fi
+            done
+            echo "IP: [${INPUT_IP}]"
+            echo "Tempoary_IP=${INPUT_IP}" >> $GITHUB_ENV
         fi
-        if [ -n "${{ github.event.inputs.Tempoary_FLAG }}" ]
+        if [ -n "${INPUT_FLAG}" ]
         then
-            echo "FLAG: [${{ github.event.inputs.Tempoary_FLAG }}]"
-            echo "Tempoary_FLAG=${{ github.event.inputs.Tempoary_FLAG }}" >> $GITHUB_ENV
+            if [[ ! "${INPUT_FLAG}" =~ ^[A-Za-z0-9]+$ ]]
+            then
+                echo "Invalid Tempoary_FLAG input: [${INPUT_FLAG}]"
+                exit 1
+            fi
+            echo "FLAG: [${INPUT_FLAG}]"
+            echo "Tempoary_FLAG=${INPUT_FLAG}" >> $GITHUB_ENV
         fi
         REPO_URL="https://github.com/$(cut -d \: -f 1 <<< ${{ env.DEFAULT_SOURCE }})"
         REPO_BRANCH=$(cut -d \: -f 2 <<< ${{ env.DEFAULT_SOURCE }})
diff --git a/.github/workflows/X-x86_64_Z.yml b/.github/workflows/X-x86_64_Z.yml
index 3368624..7ed622c 100644
--- a/.github/workflows/X-x86_64_Z.yml
+++ b/.github/workflows/X-x86_64_Z.yml
@@ -113,11 +113,19 @@ jobs:
       run: |
         echo "Free space:"
         df -h
-        if [ -n "${{ github.event.inputs.Tempoary_CONFIG }}" ]
+        INPUT_CONFIG="${{ github.event.inputs.Tempoary_CONFIG || '' }}"
+        INPUT_IP="${{ github.event.inputs.Tempoary_IP || '' }}"
+        INPUT_FLAG="${{ github.event.inputs.Tempoary_FLAG || '' }}"
+
+        if [ -n "${INPUT_CONFIG}" ]
         then
-            if [ -f "$GITHUB_WORKSPACE/Configs/${{ github.event.inputs.Tempoary_CONFIG }}" ]
+            if [[ ! "${INPUT_CONFIG}" =~ ^[A-Za-z0-9._-]+$ ]]
             then
-                CONFIG_FILE=${{ github.event.inputs.Tempoary_CONFIG }}
+                echo "Invalid CONFIG_FILE input: [${INPUT_CONFIG}]"
+                exit 1
+            elif [ -f "$GITHUB_WORKSPACE/Configs/${INPUT_CONFIG}" ]
+            then
+                CONFIG_FILE="${INPUT_CONFIG}"
             else
                 CONFIG_FILE=${{ env.CONFIG_FILE }}
             fi
@@ -132,15 +140,34 @@ jobs:
             echo "CONFIG_FILE: [/Config/$CONFIG_FILE]"
             echo "CONFIG_FILE=$CONFIG_FILE" >> $GITHUB_ENV
         fi
-        if [ -n "${{ github.event.inputs.Tempoary_IP }}" ]
+        if [ -n "${INPUT_IP}" ]
         then
-            echo "IP: [${{ github.event.inputs.Tempoary_IP }}]"
-            echo "Tempoary_IP=${{ github.event.inputs.Tempoary_IP }}" >> $GITHUB_ENV
+            if [[ ! "${INPUT_IP}" =~ ^([0-9]{1,3}\.){3}[0-9]{1,3}$ ]]
+            then
+                echo "Invalid Tempoary_IP input: [${INPUT_IP}]"
+                exit 1
+            fi
+            IFS=. read -r ip1 ip2 ip3 ip4 <<< "${INPUT_IP}"
+            for octet in "$ip1" "$ip2" "$ip3" "$ip4"
+            do
+                if (( octet < 0 || octet > 255 ))
+                then
+                    echo "Invalid Tempoary_IP input: [${INPUT_IP}]"
+                    exit 1
+                fi
+            done
+            echo "IP: [${INPUT_IP}]"
+            echo "Tempoary_IP=${INPUT_IP}" >> $GITHUB_ENV
         fi
-        if [ -n "${{ github.event.inputs.Tempoary_FLAG }}" ]
+        if [ -n "${INPUT_FLAG}" ]
         then
-            echo "FLAG: [${{ github.event.inputs.Tempoary_FLAG }}]"
-            echo "Tempoary_FLAG=${{ github.event.inputs.Tempoary_FLAG }}" >> $GITHUB_ENV
+            if [[ ! "${INPUT_FLAG}" =~ ^[A-Za-z0-9]+$ ]]
+            then
+                echo "Invalid Tempoary_FLAG input: [${INPUT_FLAG}]"
+                exit 1
+            fi
+            echo "FLAG: [${INPUT_FLAG}]"
+            echo "Tempoary_FLAG=${INPUT_FLAG}" >> $GITHUB_ENV
         fi
         REPO_URL="https://github.com/$(cut -d \: -f 1 <<< ${{ env.DEFAULT_SOURCE }})"
         REPO_BRANCH=$(cut -d \: -f 2 <<< ${{ env.DEFAULT_SOURCE }})
diff --git a/AI_CHANGELOG_WORKFLOW_INPUT_VALIDATION.md b/AI_CHANGELOG_WORKFLOW_INPUT_VALIDATION.md
new file mode 100644
index 0000000..42a8e4b
--- /dev/null
+++ b/AI_CHANGELOG_WORKFLOW_INPUT_VALIDATION.md
@@ -0,0 +1,13 @@
+# AI Modification Log: Workflow Input Validation
+
+Date: 2026-06-29
+
+## Change
+
+- Updated X/Y/Z `Load Custom Variables` steps to copy dispatch inputs into shell variables before use.
+- Added validation for `Tempoary_CONFIG` file names, IPv4 `Tempoary_IP`, and alphanumeric `Tempoary_FLAG`.
+- Kept the existing fallback to default `CONFIG_FILE` when a valid config-shaped input does not match a file in `Configs/`.
+
+## Reason
+
+Dispatch inputs were interpolated directly into shell commands. Validating and quoting them reduces accidental shell breakage and rejects unsafe config names, invalid IPs, and unsupported flag characters.