diff --git a/packages/core/src/errors/__tests__/error-reporter.test.ts b/packages/core/src/errors/__tests__/error-reporter.test.ts
index d2369f59a49..f882922b7c2 100644
--- a/packages/core/src/errors/__tests__/error-reporter.test.ts
+++ b/packages/core/src/errors/__tests__/error-reporter.test.ts
@@ -2,7 +2,8 @@ import type { Logger } from '@n8n/backend-common';
 import { QueryFailedError } from '@n8n/typeorm';
 import type { ErrorEvent } from '@sentry/core';
 import { AxiosError } from 'axios';
-import { ApplicationError, BaseError } from 'n8n-workflow';
+import { ApplicationError, BaseError, ExpressionError, NodeOperationError } from 'n8n-workflow';
+import type { INode } from 'n8n-workflow';
 import type { Mock } from 'vitest';
 import { mock } from 'vitest-mock-extended';
 
@@ -249,6 +250,32 @@ describe('ErrorReporter', () => {
 				});
 			});
 		});
+
+		// `ExecutionBaseError` (the base of NodeApiError/NodeOperationError/ExpressionError)
+		// extends `BaseError`, so these errors are classified by the BaseError branch.
+		// Reporting must still be driven by their level, as before the re-parenting.
+		describe('ExecutionBaseError subclasses', () => {
+			const node = mock<INode>();
+
+			it('should drop warning-level node errors', async () => {
+				const originalException = new NodeOperationError(node, 'boom');
+
+				expect(originalException.level).toBe('warning');
+				expect(await errorReporter.beforeSend(event, { originalException })).toEqual(null);
+			});
+
+			it('should keep error-level node errors', async () => {
+				const originalException = new NodeOperationError(node, 'boom', { level: 'error' });
+
+				expect(await errorReporter.beforeSend(event, { originalException })).toEqual(event);
+			});
+
+			it('should drop an ExpressionError', async () => {
+				const originalException = new ExpressionError('bad expression');
+
+				expect(await errorReporter.beforeSend(event, { originalException })).toEqual(null);
+			});
+		});
 	});
 
 	describe('getEventLoopBlockIntegration', () => {
diff --git a/packages/core/src/execution-engine/__tests__/workflow-execute-process-process-run-execution-data.test.ts b/packages/core/src/execution-engine/__tests__/workflow-execute-process-process-run-execution-data.test.ts
index ab3139454d4..f481ce898cc 100644
--- a/packages/core/src/execution-engine/__tests__/workflow-execute-process-process-run-execution-data.test.ts
+++ b/packages/core/src/execution-engine/__tests__/workflow-execute-process-process-run-execution-data.test.ts
@@ -9,7 +9,7 @@ import type {
 	INodeType,
 } from 'n8n-workflow';
 import {
-	ApplicationError,
+	BaseError,
 	NodeConnectionTypes,
 	UnexpectedError,
 	createRunExecutionData,
@@ -254,7 +254,7 @@ describe('processRunExecutionData', () => {
 			// eslint-disable-next-line @typescript-eslint/promise-function-async
 			const execution = () => workflowExecute.processRunExecutionData(workflow);
 
-			expect(execution).toThrow(ApplicationError);
+			expect(execution).toThrow(BaseError);
 			expect(execution).toThrow(
 				/^The 'node' node has issues:\n- Parameter "Required Text" is required\.$/,
 			);
diff --git a/packages/nodes-base/nodes/Aws/Cognito/test/listSearch/listSearch.test.ts b/packages/nodes-base/nodes/Aws/Cognito/test/listSearch/listSearch.test.ts
index 5e15206620c..60fec277da2 100644
--- a/packages/nodes-base/nodes/Aws/Cognito/test/listSearch/listSearch.test.ts
+++ b/packages/nodes-base/nodes/Aws/Cognito/test/listSearch/listSearch.test.ts
@@ -1,5 +1,5 @@
 import {
-	ApplicationError,
+	NodeOperationError,
 	type ILoadOptionsFunctions,
 	type INodeListSearchResult,
 } from 'n8n-workflow';
@@ -138,7 +138,7 @@ describe('AWS Cognito Functions', () => {
 				getNode: vi.fn(),
 			} as unknown as ILoadOptionsFunctions;
 
-			await expect(searchGroups.call(mockContext)).rejects.toThrow(ApplicationError);
+			await expect(searchGroups.call(mockContext)).rejects.toThrow(NodeOperationError);
 		});
 	});
 
diff --git a/packages/workflow/src/errors/abstract/execution-base.error.ts b/packages/workflow/src/errors/abstract/execution-base.error.ts
index 93f86cbd03a..74b9b8a0360 100644
--- a/packages/workflow/src/errors/abstract/execution-base.error.ts
+++ b/packages/workflow/src/errors/abstract/execution-base.error.ts
@@ -1,14 +1,16 @@
-import { ApplicationError, type ReportingOptions } from '@n8n/errors';
-
+import { BaseError, type BaseErrorOptions } from '../base/base.error';
 import type { Functionality, IDataObject, JsonObject } from '../../interfaces';
 
-interface ExecutionBaseErrorOptions extends ReportingOptions {
+interface ExecutionBaseErrorOptions extends BaseErrorOptions {
 	cause?: Error;
 	errorResponse?: JsonObject;
 }
 
-export abstract class ExecutionBaseError extends ApplicationError {
-	description: string | null | undefined;
+export abstract class ExecutionBaseError extends BaseError {
+	// `BaseError.description` is readonly, but subclasses (e.g. NodeApiError,
+	// ExpressionError) reassign it, so redeclare it as writable here. `declare`
+	// avoids re-initializing the field and clobbering the value set by `super`.
+	declare description: string | null | undefined;
 
 	override cause?: Error;