diff --git a/airbyte-cdk/python/CHANGELOG.md b/airbyte-cdk/python/CHANGELOG.md
index d84eb7015181..81110d4269ec 100644
--- a/airbyte-cdk/python/CHANGELOG.md
+++ b/airbyte-cdk/python/CHANGELOG.md
@@ -1,5 +1,8 @@
 # Changelog
 
+## 0.1.18
+No longer prints full config files on validation error to prevent exposing secrets to log file: https://github.com/airbytehq/airbyte/pull/5879
+
 ## 0.1.17
 Fix mismatching between number of records actually read and number of records in logs by 1: https://github.com/airbytehq/airbyte/pull/5767
 
diff --git a/airbyte-cdk/python/airbyte_cdk/sources/utils/schema_helpers.py b/airbyte-cdk/python/airbyte_cdk/sources/utils/schema_helpers.py
index c687c8272a8c..2cc15730342a 100644
--- a/airbyte-cdk/python/airbyte_cdk/sources/utils/schema_helpers.py
+++ b/airbyte-cdk/python/airbyte_cdk/sources/utils/schema_helpers.py
@@ -142,7 +142,7 @@ def check_config_against_spec_or_exit(config: Mapping[str, Any], spec: Connector
     try:
         validate(instance=config, schema=spec_schema)
     except ValidationError as validation_error:
-        raise Exception("Config validation error: " + validation_error.message)
+        raise Exception("Config validation error: " + validation_error.message) from None
 
 
 class InternalConfig(BaseModel):
@@ -159,7 +159,8 @@ def split_config(config: Mapping[str, Any]) -> Tuple[dict, InternalConfig]:
     Break config map object into 2 instances: first is a dict with user defined
     configuration and second is internal config that contains private keys for
     acceptance test configuration.
-    :param config - Dict object that has been loaded from config file.
+    :param
+     config - Dict object that has been loaded from config file.
     :return tuple of user defined config dict with filtered out internal
     parameters and SAT internal config object.
     """
diff --git a/airbyte-cdk/python/setup.py b/airbyte-cdk/python/setup.py
index 735d5dc6253c..7e5223f33a26 100644
--- a/airbyte-cdk/python/setup.py
+++ b/airbyte-cdk/python/setup.py
@@ -35,7 +35,7 @@
 
 setup(
     name="airbyte-cdk",
-    version="0.1.17",
+    version="0.1.18",
     description="A framework for writing Airbyte Connectors.",
     long_description=README,
     long_description_content_type="text/markdown",
diff --git a/airbyte-cdk/python/unit_tests/sources/utils/test_schema_helpers.py b/airbyte-cdk/python/unit_tests/sources/utils/test_schema_helpers.py
index 8e9b4404c9b1..48595d419639 100644
--- a/airbyte-cdk/python/unit_tests/sources/utils/test_schema_helpers.py
+++ b/airbyte-cdk/python/unit_tests/sources/utils/test_schema_helpers.py
@@ -27,11 +27,18 @@
 import os
 import shutil
 import sys
+import traceback
 from collections.abc import Mapping
 from pathlib import Path
 
-from airbyte_cdk.sources.utils.schema_helpers import ResourceSchemaLoader
+from airbyte_cdk.logger import AirbyteLogger
+from airbyte_cdk.models.airbyte_protocol import ConnectorSpecification
+from airbyte_cdk.sources.utils.schema_helpers import ResourceSchemaLoader, check_config_against_spec_or_exit
 from pytest import fixture
+from pytest import raises as pytest_raises
+
+logger = AirbyteLogger()
+
 
 MODULE = sys.modules[__name__]
 MODULE_NAME = MODULE.__name__.split(".")[0]
@@ -53,6 +60,38 @@ def create_schema(name: str, content: Mapping):
         f.write(json.dumps(content))
 
 
+@fixture
+def spec_object():
+    spec = {
+        "connectionSpecification": {
+            "$schema": "http://json-schema.org/draft-07/schema#",
+            "type": "object",
+            "required": ["api_token"],
+            "additionalProperties": False,
+            "properties": {
+                "api_token": {"title": "API Token", "type": "string"},
+            },
+        },
+    }
+    yield ConnectorSpecification.parse_obj(spec)
+
+
+def test_check_config_against_spec_or_exit_does_not_print_schema(capsys, spec_object):
+    config = {"super_secret_token": "really_a_secret"}
+    with pytest_raises(SystemExit) as ex_info:
+        check_config_against_spec_or_exit(config, spec_object, logger)
+        exc = ex_info.value
+        traceback.print_exception(type(exc), exc, exc.__traceback__)
+        out, err = capsys.readouterr()
+        assert "really_a_secret" not in out + err
+
+
+def test_should_not_fail_validation_for_valid_config(spec_object):
+    config = {"api_token": "something"}
+    check_config_against_spec_or_exit(config, spec_object, logger)
+    assert True, "should pass validation with valid config"
+
+
 class TestResourceSchemaLoader:
     # Test that a simple schema is loaded correctly
     @staticmethod
diff --git a/airbyte-cdk/python/unit_tests/test_entrypoint.py b/airbyte-cdk/python/unit_tests/test_entrypoint.py
index be6e628afd17..0fe100bea838 100644
--- a/airbyte-cdk/python/unit_tests/test_entrypoint.py
+++ b/airbyte-cdk/python/unit_tests/test_entrypoint.py
@@ -152,7 +152,7 @@ def config_mock(mocker, request):
     ],
     indirect=["config_mock"],
 )
-def test_config_validate(entrypoint: AirbyteEntrypoint, mocker, config_mock, schema, config_valid):
+def test_config_validate(entrypoint: AirbyteEntrypoint, mocker, config_mock, schema, config_valid, capsys):
     parsed_args = Namespace(command="check", config="config_path")
     check_value = AirbyteConnectionStatus(status=Status.SUCCEEDED)
     mocker.patch.object(MockSource, "check", return_value=check_value)
@@ -161,9 +161,10 @@ def test_config_validate(entrypoint: AirbyteEntrypoint, mocker, config_mock, sch
         messages = list(entrypoint.run(parsed_args))
         assert [_wrap_message(check_value)] == messages
     else:
-        with pytest.raises(Exception) as ex_info:
+        with pytest.raises(SystemExit):
             list(entrypoint.run(parsed_args))
-        assert "Config validation error:" in str(ex_info.value)
+        out, err = capsys.readouterr()
+        assert "Config validation error:" in out + err
 
 
 def test_run_check(entrypoint: AirbyteEntrypoint, mocker, spec_mock, config_mock):