diff --git a/apps/bookstack-linuxserver/26.09.20260924/.env.sample b/apps/bookstack-linuxserver/26.09.20260924/.env.sample
new file mode 100644
index 000000000..1c3f1ae34
--- /dev/null
+++ b/apps/bookstack-linuxserver/26.09.20260924/.env.sample
@@ -0,0 +1,13 @@
+CONTAINER_NAME=
+PANEL_APP_PORT_HTTP=6875
+CONFIG_PATH=./data/config
+APP_URL=http://bookstack.example.com
+APP_KEY=base64:replace-with-generated-app-key
+DB_HOST=bookstack-db
+DB_PORT=3306
+DB_USERNAME=bookstack
+DB_DATABASE=bookstack
+DB_PASSWORD=replace-with-db-password
+QUEUE_CONNECTION=
+DB_DATA_PATH=./data/db
+TIME_ZONE=Asia/Shanghai
diff --git a/apps/bookstack-linuxserver/26.09.20260924/data.yml b/apps/bookstack-linuxserver/26.09.20260924/data.yml
new file mode 100644
index 000000000..3c9be7783
--- /dev/null
+++ b/apps/bookstack-linuxserver/26.09.20260924/data.yml
@@ -0,0 +1,204 @@
+additionalProperties:
+  formFields:
+  - default: 6875
+    edit: true
+    envKey: PANEL_APP_PORT_HTTP
+    labelEn: HTTP Port
+    labelZh: HTTP 端口
+    label:
+      en: HTTP Port
+      zh: HTTP 端口
+      zh-Hant: HTTP 連接埠
+      ja: HTTP ポート
+      ko: HTTP 포트
+      ru: HTTP-порт
+      ms: Port HTTP
+      pt-br: Porta HTTP
+    required: true
+    type: number
+    rule: paramPort
+  - default: ./data/config
+    edit: true
+    envKey: CONFIG_PATH
+    labelEn: Config folder path
+    labelZh: 配置文件路径
+    label:
+      en: Config folder path
+      zh: 配置文件路径
+      zh-Hant: 設定檔資料夾路徑
+      ja: 設定フォルダーのパス
+      ko: 설정 폴더 경로
+      ru: Путь к папке конфигурации
+      ms: Laluan folder konfigurasi
+      pt-br: Caminho da pasta de configuração
+    required: true
+    type: text
+  - default: ''
+    edit: true
+    envKey: APP_URL
+    labelEn: Application URL
+    labelZh: 应用访问 URL
+    label:
+      en: Application URL
+      zh: 应用访问 URL
+      zh-Hant: 應用程式存取 URL
+      ja: アプリケーション URL
+      ko: 애플리케이션 URL
+      ru: URL приложения
+      ms: URL aplikasi
+      pt-br: URL do aplicativo
+    required: true
+    type: text
+  - default: ''
+    edit: true
+    envKey: APP_KEY
+    labelEn: Application key
+    labelZh: 应用密钥
+    label:
+      en: Application key
+      zh: 应用密钥
+      zh-Hant: 應用程式密鑰
+      ja: アプリケーションキー
+      ko: 애플리케이션 키
+      ru: Ключ приложения
+      ms: Kunci aplikasi
+      pt-br: Chave do aplicativo
+    required: true
+    random: true
+    type: password
+    rule: paramComplexity
+  - default: bookstack-db
+    edit: true
+    envKey: DB_HOST
+    labelEn: Database host
+    labelZh: 数据库主机
+    label:
+      en: Database host
+      zh: 数据库主机
+      zh-Hant: 資料庫主機
+      ja: データベースホスト
+      ko: 데이터베이스 호스트
+      ru: Хост базы данных
+      ms: Hos pangkalan data
+      pt-br: Host do banco
+    required: true
+    type: text
+  - default: 3306
+    edit: true
+    envKey: DB_PORT
+    labelEn: Database port
+    labelZh: 数据库端口
+    label:
+      en: Database port
+      zh: 数据库端口
+      zh-Hant: 資料庫連接埠
+      ja: データベースポート
+      ko: 데이터베이스 포트
+      ru: Порт базы данных
+      ms: Port pangkalan data
+      pt-br: Porta do banco
+    required: true
+    type: number
+  - default: bookstack
+    edit: true
+    envKey: DB_USERNAME
+    labelEn: Database username
+    labelZh: 数据库用户名
+    label:
+      en: Database username
+      zh: 数据库用户名
+      zh-Hant: 資料庫使用者名稱
+      ja: データベースユーザー名
+      ko: 데이터베이스 사용자 이름
+      ru: Имя пользователя базы
+      ms: Nama pengguna pangkalan data
+      pt-br: Usuario do banco
+    required: true
+    type: text
+  - default: bookstack
+    edit: true
+    envKey: DB_DATABASE
+    labelEn: Database name
+    labelZh: 数据库名称
+    label:
+      en: Database name
+      zh: 数据库名称
+      zh-Hant: 資料庫名稱
+      ja: データベース名
+      ko: 데이터베이스 이름
+      ru: Имя базы данных
+      ms: Nama pangkalan data
+      pt-br: Nome do banco
+    required: true
+    type: text
+  - default: ''
+    edit: true
+    envKey: DB_PASSWORD
+    labelEn: Database password
+    labelZh: 数据库密码
+    label:
+      en: Database password
+      zh: 数据库密码
+      zh-Hant: 資料庫密碼
+      ja: データベースパスワード
+      ko: 데이터베이스 비밀번호
+      ru: Пароль базы данных
+      ms: Kata laluan pangkalan data
+      pt-br: Senha do banco de dados
+    required: true
+    random: true
+    type: password
+    rule: paramComplexity
+  - default: ''
+    edit: true
+    envKey: QUEUE_CONNECTION
+    labelEn: Async queue connection
+    labelZh: 异步队列连接
+    label:
+      en: Async queue connection
+      zh: 异步队列连接
+      zh-Hant: 非同步佇列連線
+      ja: 非同期キュー接続
+      ko: 비동기 큐 연결
+      ru: Подключение асинхронной очереди
+      ms: Sambungan baris gilir tak segerak
+      pt-br: Conexao de fila assincrona
+    required: false
+    type: select
+    values:
+      - label: disabled
+        value: ''
+      - label: database
+        value: database
+  - default: ./data/db
+    edit: true
+    envKey: DB_DATA_PATH
+    labelEn: Database data path
+    labelZh: 数据库数据目录
+    label:
+      en: Database data path
+      zh: 数据库数据目录
+      zh-Hant: 資料庫資料目錄
+      ja: データベースデータディレクトリ
+      ko: 데이터베이스 데이터 디렉터리
+      ru: Каталог данных базы
+      ms: Laluan data pangkalan data
+      pt-br: Caminho de dados do banco
+    required: true
+    type: text
+  - default: Asia/Shanghai
+    edit: true
+    envKey: TIME_ZONE
+    labelEn: Time zone
+    labelZh: 时区
+    label:
+      en: Time zone
+      zh: 时区
+      zh-Hant: 時區
+      ja: タイムゾーン
+      ko: 시간대
+      ru: Часовой пояс
+      ms: Zon waktu
+      pt-br: Fuso horário
+    required: true
+    type: text
diff --git a/apps/bookstack-linuxserver/26.09.20260924/data/.gitkeep b/apps/bookstack-linuxserver/26.09.20260924/data/.gitkeep
new file mode 100644
index 000000000..e69de29bb
diff --git a/apps/bookstack-linuxserver/26.09.20260924/docker-compose.yml b/apps/bookstack-linuxserver/26.09.20260924/docker-compose.yml
new file mode 100644
index 000000000..04cd10b57
--- /dev/null
+++ b/apps/bookstack-linuxserver/26.09.20260924/docker-compose.yml
@@ -0,0 +1,44 @@
+networks:
+  1panel-network:
+    external: true
+services:
+  bookstack:
+    image: "linuxserver/bookstack:26.09.20260924"
+    container_name: ${CONTAINER_NAME}
+    restart: always
+    networks:
+      - 1panel-network
+    ports:
+      - "${PANEL_APP_PORT_HTTP}:80"
+    volumes:
+      - "${CONFIG_PATH}:/config"
+    environment:
+      - PUID=1000
+      - PGID=1000
+      - TZ=${TIME_ZONE}
+      - APP_URL=${APP_URL}
+      - APP_KEY=${APP_KEY}
+      - DB_HOST=${DB_HOST}
+      - DB_PORT=${DB_PORT}
+      - DB_USERNAME=${DB_USERNAME}
+      - DB_PASSWORD=${DB_PASSWORD}
+      - DB_DATABASE=${DB_DATABASE}
+      - QUEUE_CONNECTION=${QUEUE_CONNECTION:-}
+    depends_on:
+      - bookstack-db
+    labels:
+      createdBy: "Apps"
+  bookstack-db:
+    image: "mariadb:11.4"
+    restart: always
+    networks:
+      - 1panel-network
+    volumes:
+      - "${DB_DATA_PATH}:/var/lib/mysql"
+    environment:
+      - MARIADB_ROOT_PASSWORD=${DB_PASSWORD}
+      - MARIADB_DATABASE=${DB_DATABASE}
+      - MARIADB_USER=${DB_USERNAME}
+      - MARIADB_PASSWORD=${DB_PASSWORD}
+    labels:
+      createdBy: "Apps"
diff --git a/apps/bookstack-linuxserver/26.09.20260924/scripts/init.sh b/apps/bookstack-linuxserver/26.09.20260924/scripts/init.sh
new file mode 100755
index 000000000..b80a36e37
--- /dev/null
+++ b/apps/bookstack-linuxserver/26.09.20260924/scripts/init.sh
@@ -0,0 +1,138 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+ENV_FILE="${ENV_FILE:-./.env}"
+LEGACY_BOOKSTACK_APP_KEY="base64:j1wQ2YbRrQ3j0tG5h6v8cYpV1gW9mN4uQ2xZ7aE3sT8="
+LEGACY_BOOKSTACK_DB_PASSWORD="bookstack-change-me"
+
+read_env_value() {
+  local key="$1"
+
+  if [[ ! -f "$ENV_FILE" ]] || ! grep -qE "^${key}=" "$ENV_FILE"; then
+    return
+  fi
+
+  local current
+  current="$(sed -n -E "s/^${key}=//p" "$ENV_FILE" | tail -n 1)"
+  current="${current%\"}"
+  current="${current#\"}"
+  current="${current%\'}"
+  current="${current#\'}"
+  printf '%s\n' "$current"
+}
+
+read_cache_value() {
+  local cache_file="$1"
+  if [[ ! -s "$cache_file" ]]; then
+    return
+  fi
+  sed -n '1p' "$cache_file" | tr -d '\r\n'
+}
+
+write_cache_value() {
+  local cache_file="$1"
+  local value="$2"
+
+  mkdir -p "$(dirname "$cache_file")"
+  printf '%s\n' "$value" > "$cache_file"
+  chmod 600 "$cache_file" 2>/dev/null || true
+}
+
+escape_sed_replacement() {
+  printf '%s' "$1" | sed -e 's/[\/&|]/\\&/g'
+}
+
+set_env_value() {
+  local key="$1"
+  local value="$2"
+
+  if [[ ! -f "$ENV_FILE" ]]; then
+    echo "$ENV_FILE not found; skipped $key generation"
+    return
+  fi
+
+  local replacement
+  replacement="$(escape_sed_replacement "$value")"
+  if grep -qE "^${key}=" "$ENV_FILE"; then
+    sed -i -E "s|^${key}=.*|${key}=${replacement}|" "$ENV_FILE"
+    echo "Updated $key"
+    return
+  fi
+
+  printf '%s=%s\n' "$key" "$value" >> "$ENV_FILE"
+  echo "Added $key"
+}
+
+generate_alnum_secret() {
+  local secret=""
+  local chunk=""
+  while [[ ${#secret} -lt 32 ]]; do
+    chunk="$(tr -dc 'A-Za-z0-9' < /dev/urandom | head -c $((32 - ${#secret})) || true)"
+    secret="${secret}${chunk}"
+  done
+  printf '%s\n' "$secret"
+}
+
+generate_laravel_app_key() {
+  if command -v openssl >/dev/null 2>&1; then
+    printf 'base64:%s\n' "$(openssl rand -base64 32 | tr -d '\r\n')"
+    return
+  fi
+
+  if command -v base64 >/dev/null 2>&1; then
+    printf 'base64:%s\n' "$(head -c 32 /dev/urandom | base64 | tr -d '\r\n')"
+    return
+  fi
+
+  generate_alnum_secret
+}
+
+laravel_app_key_is_valid() {
+  local value="$1"
+  [[ "$value" =~ ^base64:[A-Za-z0-9+/=]{43,}$ ]] && return 0
+  [[ "$value" =~ ^[A-Za-z0-9]{32,}$ ]] && return 0
+  return 1
+}
+
+CONFIG_PATH_VALUE="${CONFIG_PATH:-$(read_env_value CONFIG_PATH || true)}"
+CONFIG_PATH_VALUE="${CONFIG_PATH_VALUE:-./data/config}"
+APP_KEY_CACHE="${APP_KEY_CACHE:-${CONFIG_PATH_VALUE}/.bookstack_app_key}"
+DB_PASSWORD_CACHE="${DB_PASSWORD_CACHE:-${CONFIG_PATH_VALUE}/.bookstack_db_password}"
+
+if [[ -f "$ENV_FILE" ]]; then
+  app_key="$(read_env_value APP_KEY || true)"
+  cached_app_key="$(read_cache_value "$APP_KEY_CACHE" || true)"
+  if laravel_app_key_is_valid "$app_key" && [[ "$app_key" != "$LEGACY_BOOKSTACK_APP_KEY" ]]; then
+    write_cache_value "$APP_KEY_CACHE" "$app_key"
+  elif laravel_app_key_is_valid "$cached_app_key"; then
+    set_env_value "APP_KEY" "$cached_app_key"
+  else
+    app_key="$(generate_laravel_app_key)"
+    set_env_value "APP_KEY" "$app_key"
+    write_cache_value "$APP_KEY_CACHE" "$app_key"
+  fi
+
+  db_password="$(read_env_value DB_PASSWORD || true)"
+  cached_db_password="$(read_cache_value "$DB_PASSWORD_CACHE" || true)"
+  if [[ -n "$db_password" && "$db_password" != "$LEGACY_BOOKSTACK_DB_PASSWORD" ]]; then
+    write_cache_value "$DB_PASSWORD_CACHE" "$db_password"
+  elif [[ -n "$cached_db_password" ]]; then
+    set_env_value "DB_PASSWORD" "$cached_db_password"
+  else
+    db_password="$(generate_alnum_secret)"
+    set_env_value "DB_PASSWORD" "$db_password"
+    write_cache_value "$DB_PASSWORD_CACHE" "$db_password"
+  fi
+fi
+
+paths=(
+  "${CONFIG_PATH:-./data/config}"
+  "${DB_DATA_PATH:-./data/db}"
+)
+
+mkdir -p "${paths[@]}"
+for path in "${paths[@]}"; do
+  case "$path" in
+    ./*|../*) chown -R 1000:1000 "$path" 2>/dev/null || true ;;
+  esac
+done
diff --git a/apps/bookstack-linuxserver/26.09.20260924/scripts/uninstall.sh b/apps/bookstack-linuxserver/26.09.20260924/scripts/uninstall.sh
new file mode 100755
index 000000000..ab8a8d674
--- /dev/null
+++ b/apps/bookstack-linuxserver/26.09.20260924/scripts/uninstall.sh
@@ -0,0 +1,2 @@
+#!/bin/bash
+docker-compose down --volumes
diff --git a/apps/bookstack-linuxserver/26.09.20260924/scripts/upgrade.sh b/apps/bookstack-linuxserver/26.09.20260924/scripts/upgrade.sh
new file mode 100755
index 000000000..8d29e5f48
--- /dev/null
+++ b/apps/bookstack-linuxserver/26.09.20260924/scripts/upgrade.sh
@@ -0,0 +1,152 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+ENV_FILE="${ENV_FILE:-./.env}"
+LEGACY_BOOKSTACK_APP_KEY="base64:j1wQ2YbRrQ3j0tG5h6v8cYpV1gW9mN4uQ2xZ7aE3sT8="
+LEGACY_BOOKSTACK_DB_PASSWORD="bookstack-change-me"
+
+ensure_env_default() {
+  local key="$1"
+  local value="$2"
+
+  if [[ ! -f "$ENV_FILE" ]]; then
+    echo "$ENV_FILE not found; skipped $key migration"
+    return
+  fi
+
+  if grep -qE "^${key}=" "$ENV_FILE"; then
+    echo "$key already exists"
+    return
+  fi
+
+  printf '%s=%s\n' "$key" "$value" >> "$ENV_FILE"
+  echo "Added $key"
+}
+
+read_env_value() {
+  local key="$1"
+
+  if [[ ! -f "$ENV_FILE" ]] || ! grep -qE "^${key}=" "$ENV_FILE"; then
+    return
+  fi
+
+  local current
+  current="$(sed -n -E "s/^${key}=//p" "$ENV_FILE" | tail -n 1)"
+  current="${current%\"}"
+  current="${current#\"}"
+  current="${current%\'}"
+  current="${current#\'}"
+  printf '%s\n' "$current"
+}
+
+read_cache_value() {
+  local cache_file="$1"
+  if [[ ! -s "$cache_file" ]]; then
+    return
+  fi
+  sed -n '1p' "$cache_file" | tr -d '\r\n'
+}
+
+write_cache_value() {
+  local cache_file="$1"
+  local value="$2"
+
+  mkdir -p "$(dirname "$cache_file")"
+  printf '%s\n' "$value" > "$cache_file"
+  chmod 600 "$cache_file" 2>/dev/null || true
+}
+
+escape_sed_replacement() {
+  printf '%s' "$1" | sed -e 's/[\/&|]/\\&/g'
+}
+
+set_env_value() {
+  local key="$1"
+  local value="$2"
+
+  if [[ ! -f "$ENV_FILE" ]]; then
+    echo "$ENV_FILE not found; skipped $key generation"
+    return
+  fi
+
+  local replacement
+  replacement="$(escape_sed_replacement "$value")"
+  if grep -qE "^${key}=" "$ENV_FILE"; then
+    sed -i -E "s|^${key}=.*|${key}=${replacement}|" "$ENV_FILE"
+    echo "Updated $key"
+    return
+  fi
+
+  printf '%s=%s\n' "$key" "$value" >> "$ENV_FILE"
+  echo "Added $key"
+}
+
+generate_alnum_secret() {
+  local secret=""
+  local chunk=""
+  while [[ ${#secret} -lt 32 ]]; do
+    chunk="$(tr -dc 'A-Za-z0-9' < /dev/urandom | head -c $((32 - ${#secret})) || true)"
+    secret="${secret}${chunk}"
+  done
+  printf '%s\n' "$secret"
+}
+
+generate_laravel_app_key() {
+  if command -v openssl >/dev/null 2>&1; then
+    printf 'base64:%s\n' "$(openssl rand -base64 32 | tr -d '\r\n')"
+    return
+  fi
+
+  if command -v base64 >/dev/null 2>&1; then
+    printf 'base64:%s\n' "$(head -c 32 /dev/urandom | base64 | tr -d '\r\n')"
+    return
+  fi
+
+  generate_alnum_secret
+}
+
+laravel_app_key_is_valid() {
+  local value="$1"
+  [[ "$value" =~ ^base64:[A-Za-z0-9+/=]{43,}$ ]] && return 0
+  [[ "$value" =~ ^[A-Za-z0-9]{32,}$ ]] && return 0
+  return 1
+}
+
+CONFIG_PATH_VALUE="${CONFIG_PATH:-$(read_env_value CONFIG_PATH || true)}"
+CONFIG_PATH_VALUE="${CONFIG_PATH_VALUE:-./data/config}"
+APP_KEY_CACHE="${APP_KEY_CACHE:-${CONFIG_PATH_VALUE}/.bookstack_app_key}"
+DB_PASSWORD_CACHE="${DB_PASSWORD_CACHE:-${CONFIG_PATH_VALUE}/.bookstack_db_password}"
+
+if [[ -f "$ENV_FILE" ]]; then
+  app_key="$(read_env_value APP_KEY || true)"
+  cached_app_key="$(read_cache_value "$APP_KEY_CACHE" || true)"
+  if laravel_app_key_is_valid "$app_key" && [[ "$app_key" != "$LEGACY_BOOKSTACK_APP_KEY" ]]; then
+    write_cache_value "$APP_KEY_CACHE" "$app_key"
+  elif laravel_app_key_is_valid "$cached_app_key"; then
+    set_env_value "APP_KEY" "$cached_app_key"
+  else
+    app_key="$(generate_laravel_app_key)"
+    set_env_value "APP_KEY" "$app_key"
+    write_cache_value "$APP_KEY_CACHE" "$app_key"
+  fi
+
+  db_password="$(read_env_value DB_PASSWORD || true)"
+  cached_db_password="$(read_cache_value "$DB_PASSWORD_CACHE" || true)"
+  if [[ -n "$db_password" && "$db_password" != "$LEGACY_BOOKSTACK_DB_PASSWORD" ]]; then
+    write_cache_value "$DB_PASSWORD_CACHE" "$db_password"
+  elif [[ -n "$cached_db_password" ]]; then
+    set_env_value "DB_PASSWORD" "$cached_db_password"
+  else
+    db_password="$(generate_alnum_secret)"
+    set_env_value "DB_PASSWORD" "$db_password"
+    write_cache_value "$DB_PASSWORD_CACHE" "$db_password"
+  fi
+
+  ensure_env_default "DB_HOST" "bookstack-db"
+  ensure_env_default "DB_PORT" "3306"
+  ensure_env_default "DB_USERNAME" "bookstack"
+  ensure_env_default "DB_DATABASE" "bookstack"
+  ensure_env_default "QUEUE_CONNECTION" ""
+else
+  echo "$ENV_FILE not found; skipped LinuxServer environment migration"
+fi