diff --git a/b2/_internal/console_tool.py b/b2/_internal/console_tool.py
index 889d26ec5..5c7410e14 100644
--- a/b2/_internal/console_tool.py
+++ b/b2/_internal/console_tool.py
@@ -4591,6 +4591,18 @@ def _run(self, args):
 class BucketNotificationRuleCreateBase(
     JSONOptionMixin, BucketNotificationRuleWarningMixin, Command
 ):
+    FORBID_LOGGING_ARGUMENTS = True
+
+    def run(self, args):
+        # SDK bucket DEBUG call traces include signing secrets and custom header values.
+        sdk_logger = logging.getLogger('b2sdk._internal.bucket')
+        previous_level = sdk_logger.level
+        sdk_logger.setLevel(max(logging.INFO, sdk_logger.getEffectiveLevel()))
+        try:
+            return super().run(args)
+        finally:
+            sdk_logger.setLevel(previous_level)
+
     @classmethod
     def _validate_secret(cls, value: str) -> str:
         if not re.match(r'^[a-zA-Z0-9]{32}$', value):
diff --git a/changelog.d/+notification-rule-no-arg-logging.fixed.md b/changelog.d/+notification-rule-no-arg-logging.fixed.md
new file mode 100644
index 000000000..f96a4ab3b
--- /dev/null
+++ b/changelog.d/+notification-rule-no-arg-logging.fixed.md
@@ -0,0 +1 @@
+The `bucket notification-rule create` and `bucket notification-rule update` commands no longer log signing secrets or custom header values in command arguments or SDK call traces.
diff --git a/test/unit/console_tool/test_notification_rules.py b/test/unit/console_tool/test_notification_rules.py
index 83d017107..4af8c44b0 100644
--- a/test/unit/console_tool/test_notification_rules.py
+++ b/test/unit/console_tool/test_notification_rules.py
@@ -8,9 +8,12 @@
 #
 ######################################################################
 import json
+import logging
 
 import pytest
 
+from b2._internal.console_tool import CommandError
+
 
 @pytest.fixture()
 def bucket_notification_rule(b2_cli, bucket):
@@ -279,3 +282,100 @@ def test_notification_rules__sign_secret(b2_cli, bucket, bucket_notification_rul
             [*command, 'list', '--json', f'b2://{bucket}'],
         )[1]
     ) == [bucket_notification_rule]
+
+
+@pytest.mark.parametrize('command', [['bucket', 'notification-rule'], ['notification-rules']])
+@pytest.mark.parametrize('subcommand', ['create', 'update'])
+@pytest.mark.parametrize(
+    'logging_flags', [['--verbose'], ['--debug-logs'], ['--verbose', '--debug-logs']]
+)
+def test_notification_rules__sensitive_arguments_are_not_logged(
+    b2_cli,
+    bucket,
+    bucket_notification_rule,
+    b2_cli_log_fix,
+    cwd_path,
+    caplog,
+    capsys,
+    command,
+    subcommand,
+    logging_flags,
+):
+    # Deliberately synthetic values, not credentials.
+    sign_secret = 'a' * 32
+    header_value = 'test-only-header-value'
+    caplog.set_level(logging.DEBUG)
+    caplog.set_level(logging.DEBUG, logger='b2sdk._internal.bucket')
+    caplog.clear()
+    capsys.readouterr()
+    original_handlers = logging.root.handlers[:]
+
+    try:
+        b2_cli.run(
+            [
+                *command,
+                subcommand,
+                *logging_flags,
+                f'b2://{bucket}',
+                'new-rule' if subcommand == 'create' else bucket_notification_rule['name'],
+                '--event-type',
+                'b2:ObjectCreated:*',
+                '--webhook-url',
+                'https://example.com/webhook',
+                '--sign-secret',
+                sign_secret,
+                '--custom-header',
+                f'X-Test-Header={header_value}',
+            ]
+        )
+
+        outputs = [caplog.text, capsys.readouterr().err]
+        if '--debug-logs' in logging_flags:
+            outputs.append((cwd_path / 'b2_cli.log').read_text())
+        for output in outputs:
+            assert sign_secret not in output
+            assert header_value not in output
+        assert 'arguments hidden' in caplog.text
+
+        caplog.clear()
+        control_args = ['bucket', 'create', *logging_flags, 'control-log-bucket', 'allPrivate']
+        b2_cli.run(control_args)
+        assert f"with arguments: {['b2', *control_args]}" in caplog.text
+        assert 'calling Bucket(' in caplog.text
+    finally:
+        for handler in logging.root.handlers[:]:
+            if handler not in original_handlers:
+                logging.root.removeHandler(handler)
+                handler.close()
+
+
+@pytest.mark.parametrize('sdk_log_level', [logging.DEBUG, logging.WARNING])
+def test_notification_rules__sdk_logging_restored_after_error(
+    b2_cli, bucket, bucket_notification_rule, caplog, monkeypatch, sdk_log_level
+):
+    sdk_logger = logging.getLogger('b2sdk._internal.bucket')
+    caplog.set_level(logging.DEBUG)
+    caplog.set_level(sdk_log_level, logger=sdk_logger.name)
+
+    def reject_rules(*args, **kwargs):
+        sdk_logger.debug('test-only SDK request trace')
+        sdk_logger.warning('test-only SDK warning')
+        raise CommandError('test-only request failure')
+
+    monkeypatch.setattr(b2_cli.raw_api, 'set_bucket_notification_rules', reject_rules)
+    b2_cli.run(
+        [
+            'bucket',
+            'notification-rule',
+            'update',
+            f'b2://{bucket}',
+            bucket_notification_rule['name'],
+            '--disable',
+        ],
+        expected_status=1,
+        expected_stderr='ERROR: test-only request failure\n',
+    )
+
+    assert 'test-only SDK request trace' not in caplog.text
+    assert 'test-only SDK warning' in caplog.text
+    assert sdk_logger.level == sdk_log_level