diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7f01df407..01062f9f9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,12 @@ All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/).
 
+## [1.1.53](https://github.com/SocketDev/socket-cli/releases/tag/v1.1.53) - 2026-01-06
+
+### Changed
+- The `scan_type` query argument is now set to `'socket_tier1'` when running `socket scan create --reach`.
+This change ensures Tier 1 alerts from scans are ingested into the organization-level alerts correctly.
+
 ## [1.1.52](https://github.com/SocketDev/socket-cli/releases/tag/v1.1.52) - 2026-01-02
 
 ### Added
diff --git a/package.json b/package.json
index 7180937f8..a16d58d44 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "socket",
-  "version": "1.1.52",
+  "version": "1.1.53",
   "description": "CLI for Socket.dev",
   "homepage": "https://github.com/SocketDev/socket-cli",
   "license": "MIT AND OFL-1.1",
diff --git a/src/commands/scan/fetch-create-org-full-scan.mts b/src/commands/scan/fetch-create-org-full-scan.mts
index 2383cdf10..bb04bdafe 100644
--- a/src/commands/scan/fetch-create-org-full-scan.mts
+++ b/src/commands/scan/fetch-create-org-full-scan.mts
@@ -18,6 +18,7 @@ export type FetchCreateOrgFullScanConfigs = {
   committers: string
   pullRequest: number
   repoName: string
+  scanType: string | undefined
 }
 
 export type FetchCreateOrgFullScanOptions = {
@@ -41,6 +42,7 @@ export async function fetchCreateOrgFullScan(
     committers,
     pullRequest,
     repoName,
+    scanType,
   } = { __proto__: null, ...config } as FetchCreateOrgFullScanConfigs
 
   const {
@@ -78,6 +80,7 @@ export async function fetchCreateOrgFullScan(
       ...(committers ? { committers } : {}),
       make_default_branch: String(defaultBranch),
       ...(pullRequest ? { pull_request: String(pullRequest) } : {}),
+      scan_type: scanType,
       repo: repoName,
       set_as_pending_head: String(pendingHead),
       tmp: String(tmp),
diff --git a/src/commands/scan/handle-create-new-scan.mts b/src/commands/scan/handle-create-new-scan.mts
index 2e023e10e..ae932653b 100644
--- a/src/commands/scan/handle-create-new-scan.mts
+++ b/src/commands/scan/handle-create-new-scan.mts
@@ -254,6 +254,9 @@ export async function handleCreateNewScan({
       pullRequest,
       repoName,
       branchName,
+      scanType: reach.runReachabilityAnalysis
+        ? constants.SCAN_TYPE_SOCKET_TIER1
+        : constants.SCAN_TYPE_SOCKET,
     },
     {
       cwd,
diff --git a/src/constants.mts b/src/constants.mts
index a44962257..fc88b1cf2 100644
--- a/src/constants.mts
+++ b/src/constants.mts
@@ -263,6 +263,8 @@ const SOCKET_CLI_SHADOW_BIN = 'SOCKET_CLI_SHADOW_BIN'
 const SOCKET_CLI_SHADOW_PROGRESS = 'SOCKET_CLI_SHADOW_PROGRESS'
 const SOCKET_CLI_SHADOW_SILENT = 'SOCKET_CLI_SHADOW_SILENT'
 const SOCKET_CLI_VIEW_ALL_RISKS = 'SOCKET_CLI_VIEW_ALL_RISKS'
+const SCAN_TYPE_SOCKET = 'socket'
+const SCAN_TYPE_SOCKET_TIER1 = 'socket_tier1'
 const SOCKET_DEFAULT_BRANCH = 'socket-default-branch'
 const SOCKET_DEFAULT_REPOSITORY = 'socket-default-repository'
 const SOCKET_JSON = 'socket.json'
@@ -355,6 +357,8 @@ export type Constants = Remap<
     readonly REPORT_LEVEL_MONITOR: typeof REPORT_LEVEL_MONITOR
     readonly REPORT_LEVEL_WARN: typeof REPORT_LEVEL_WARN
     readonly REQUIREMENTS_TXT: typeof REQUIREMENTS_TXT
+    readonly SCAN_TYPE_SOCKET: typeof SCAN_TYPE_SOCKET
+    readonly SCAN_TYPE_SOCKET_TIER1: typeof SCAN_TYPE_SOCKET_TIER1
     readonly SOCKET_CLI_ACCEPT_RISKS: typeof SOCKET_CLI_ACCEPT_RISKS
     readonly SOCKET_CLI_BIN_NAME: typeof SOCKET_CLI_BIN_NAME
     readonly SOCKET_CLI_ISSUES_URL: typeof SOCKET_CLI_ISSUES_URL
@@ -941,6 +945,8 @@ const constants: Constants = createConstantsObject(
     REPORT_LEVEL_MONITOR,
     REPORT_LEVEL_WARN,
     REQUIREMENTS_TXT,
+    SCAN_TYPE_SOCKET,
+    SCAN_TYPE_SOCKET_TIER1,
     SOCKET_CLI_ACCEPT_RISKS,
     SOCKET_CLI_BIN_NAME,
     SOCKET_CLI_ISSUES_URL,
@@ -1197,6 +1203,8 @@ export {
   REPORT_LEVEL_MONITOR,
   REPORT_LEVEL_WARN,
   REQUIREMENTS_TXT,
+  SCAN_TYPE_SOCKET,
+  SCAN_TYPE_SOCKET_TIER1,
   SOCKET_CLI_ACCEPT_RISKS,
   SOCKET_CLI_BIN_NAME,
   SOCKET_CLI_ISSUES_URL,