diff --git a/cycode/cli/apps/scan/code_scanner.py b/cycode/cli/apps/scan/code_scanner.py
index dc3727e4..642fe225 100644
--- a/cycode/cli/apps/scan/code_scanner.py
+++ b/cycode/cli/apps/scan/code_scanner.py
@@ -279,7 +279,10 @@ def scan_documents(
 
     scan_batch_thread_func = _get_scan_documents_thread_func(ctx, is_git_diff, is_commit_range, scan_parameters)
 
-    if should_use_presigned_upload(scan_type):
+    # Presigned single-file upload is async-only; a --sync scan must stay on the batched inline path
+    # so it never builds one oversized zip to POST synchronously.
+    should_use_sync_flow = _should_use_sync_flow(ctx.info_name, scan_type, ctx.obj['sync'])
+    if should_use_presigned_upload(scan_type) and not should_use_sync_flow:
         errors, local_scan_results = _run_presigned_upload_scan(
             scan_batch_thread_func, scan_type, documents_to_scan, progress_bar, printer
         )
diff --git a/cycode/cli/consts.py b/cycode/cli/consts.py
index 9ef19eb2..b61bce17 100644
--- a/cycode/cli/consts.py
+++ b/cycode/cli/consts.py
@@ -220,12 +220,13 @@
 FILE_MAX_SIZE_LIMIT_IN_BYTES = 5000000
 
 PRESIGNED_LINK_UPLOADED_ZIP_MAX_SIZE_LIMIT_IN_BYTES = 5 * 1024 * 1024 * 1024  # 5 GB (S3 presigned POST limit)
-PRESIGNED_UPLOAD_SCAN_TYPES = {SAST_SCAN_TYPE}
+PRESIGNED_UPLOAD_SCAN_TYPES = {SAST_SCAN_TYPE, SECRET_SCAN_TYPE}
 
 DEFAULT_ZIP_MAX_SIZE_LIMIT_IN_BYTES = 20 * 1024 * 1024
 ZIP_MAX_SIZE_LIMIT_IN_BYTES = {
     SCA_SCAN_TYPE: 200 * 1024 * 1024,
     SAST_SCAN_TYPE: PRESIGNED_LINK_UPLOADED_ZIP_MAX_SIZE_LIMIT_IN_BYTES,
+    SECRET_SCAN_TYPE: PRESIGNED_LINK_UPLOADED_ZIP_MAX_SIZE_LIMIT_IN_BYTES,
 }
 
 # scan in batches
diff --git a/tests/cli/commands/scan/test_code_scanner.py b/tests/cli/commands/scan/test_code_scanner.py
index 8a9f60b7..fb83c317 100644
--- a/tests/cli/commands/scan/test_code_scanner.py
+++ b/tests/cli/commands/scan/test_code_scanner.py
@@ -2,8 +2,10 @@
 from os.path import normpath
 from unittest.mock import MagicMock, Mock, patch
 
+import pytest
+
 from cycode.cli import consts
-from cycode.cli.apps.scan.code_scanner import scan_disk_files
+from cycode.cli.apps.scan.code_scanner import scan_disk_files, scan_documents
 from cycode.cli.files_collector.file_excluder import _is_file_relevant_for_sca_scan
 from cycode.cli.files_collector.path_documents import _generate_document
 from cycode.cli.models import Document
@@ -162,3 +164,51 @@ def test_entrypoint_cycode_not_added_for_single_file(
     assert len(entrypoint_docs) == 0
     # Verify only the original documents are present
     assert len(documents_passed) == len(mock_documents)
+
+
+@pytest.mark.parametrize(
+    ('scan_type', 'command_scan_type', 'sync_option', 'expect_presigned'),
+    [
+        # SAST keeps uploading directly to S3 via a presigned URL (regression guard for the new sync gate).
+        (consts.SAST_SCAN_TYPE, 'path', False, True),
+        # Async secret scans now upload as a single file directly to S3 via a presigned URL.
+        (consts.SECRET_SCAN_TYPE, 'path', False, True),
+        # A --sync secret scan must stay on the batched inline path and never build one giant zip.
+        (consts.SECRET_SCAN_TYPE, 'path', True, False),
+    ],
+)
+@patch('cycode.cli.apps.scan.code_scanner.print_local_scan_results')
+@patch('cycode.cli.apps.scan.code_scanner.set_issue_detected_by_scan_results')
+@patch('cycode.cli.apps.scan.code_scanner.try_set_aggregation_report_url_if_needed')
+@patch('cycode.cli.apps.scan.code_scanner.run_parallel_batched_scan')
+@patch('cycode.cli.apps.scan.code_scanner._run_presigned_upload_scan')
+def test_scan_documents_routes_upload_by_scan_type_and_sync(
+    mock_presigned_upload: Mock,
+    mock_batched_scan: Mock,
+    mock_aggregation: Mock,
+    mock_set_issue: Mock,
+    mock_print: Mock,
+    scan_type: str,
+    command_scan_type: str,
+    sync_option: bool,
+    expect_presigned: bool,
+) -> None:
+    mock_presigned_upload.return_value = ([], [])
+    mock_batched_scan.return_value = ([], [])
+
+    mock_ctx = MagicMock()
+    mock_ctx.info_name = command_scan_type
+    mock_ctx.obj = {
+        'scan_type': scan_type,
+        'progress_bar': MagicMock(),
+        'console_printer': MagicMock(),
+        'client': MagicMock(),
+        'severity_threshold': None,
+        'sync': sync_option,
+    }
+    documents = [Document('/repo/file.py', 'content', is_git_diff_format=False)]
+
+    scan_documents(mock_ctx, documents, {})
+
+    assert mock_presigned_upload.called is expect_presigned
+    assert mock_batched_scan.called is (not expect_presigned)