From a69155a97647c0017d609aeef2d4ff2b5488be00 Mon Sep 17 00:00:00 2001
From: Paul Bauriegel <paul.bauriegel@web.de>
Date: Thu, 3 Sep 2026 05:33:06 +0000
Subject: [PATCH] fix(Jira Node): Strip trailing slashes from domain URL
 (#32163)

Co-authored-by: RomanDavydchuk <roman.d@radency.com>
Co-authored-by: RomanDavydchuk <roman.davydchuk@n8n.io>
---
 .../JiraSoftwareCloudApi.credentials.ts            |  2 +-
 .../JiraSoftwareServerApi.credentials.ts           |  2 +-
 .../JiraSoftwareServerPatApi.credentials.ts        |  2 +-
 packages/nodes-base/nodes/Jira/GenericFunctions.ts |  3 +++
 .../nodes/Jira/__test__/GenericFunctions.test.ts   | 14 ++++++++++++++
 5 files changed, 20 insertions(+), 3 deletions(-)

diff --git a/packages/nodes-base/credentials/JiraSoftwareCloudApi.credentials.ts b/packages/nodes-base/credentials/JiraSoftwareCloudApi.credentials.ts
index 83889b8afc0..25e6a09517e 100644
--- a/packages/nodes-base/credentials/JiraSoftwareCloudApi.credentials.ts
+++ b/packages/nodes-base/credentials/JiraSoftwareCloudApi.credentials.ts
@@ -48,7 +48,7 @@ export class JiraSoftwareCloudApi implements ICredentialType {
 
 	test: ICredentialTestRequest = {
 		request: {
-			baseURL: '={{$credentials?.domain}}',
+			baseURL: '={{$credentials.domain?.replace(/\\/+$/, "")}}',
 			url: '/rest/api/2/myself',
 		},
 	};
diff --git a/packages/nodes-base/credentials/JiraSoftwareServerApi.credentials.ts b/packages/nodes-base/credentials/JiraSoftwareServerApi.credentials.ts
index 6a0ed10e265..9faa43c4a26 100644
--- a/packages/nodes-base/credentials/JiraSoftwareServerApi.credentials.ts
+++ b/packages/nodes-base/credentials/JiraSoftwareServerApi.credentials.ts
@@ -50,7 +50,7 @@ export class JiraSoftwareServerApi implements ICredentialType {
 
 	test: ICredentialTestRequest = {
 		request: {
-			baseURL: '={{$credentials?.domain}}',
+			baseURL: '={{$credentials.domain?.replace(/\\/+$/, "")}}',
 			url: '/rest/api/2/myself',
 		},
 	};
diff --git a/packages/nodes-base/credentials/JiraSoftwareServerPatApi.credentials.ts b/packages/nodes-base/credentials/JiraSoftwareServerPatApi.credentials.ts
index e2b0df52a11..60cdec9e90f 100644
--- a/packages/nodes-base/credentials/JiraSoftwareServerPatApi.credentials.ts
+++ b/packages/nodes-base/credentials/JiraSoftwareServerPatApi.credentials.ts
@@ -40,7 +40,7 @@ export class JiraSoftwareServerPatApi implements ICredentialType {
 
 	test: ICredentialTestRequest = {
 		request: {
-			baseURL: '={{$credentials?.domain}}',
+			baseURL: '={{$credentials.domain?.replace(/\\/+$/, "")}}',
 			url: '/rest/api/2/myself',
 		},
 	};
diff --git a/packages/nodes-base/nodes/Jira/GenericFunctions.ts b/packages/nodes-base/nodes/Jira/GenericFunctions.ts
index 852d802d160..cfd878efd2d 100644
--- a/packages/nodes-base/nodes/Jira/GenericFunctions.ts
+++ b/packages/nodes-base/nodes/Jira/GenericFunctions.ts
@@ -66,6 +66,9 @@ export async function jiraSoftwareCloudApiRequest(
 		credentialType = 'jiraSoftwareCloudApi';
 	}
 
+	// Strip trailing slashes from domain to prevent double slashes in URL construction
+	domain = domain.replace(/\/+$/, '');
+
 	const options: IRequestOptions = {
 		headers: {
 			Accept: 'application/json',
diff --git a/packages/nodes-base/nodes/Jira/__test__/GenericFunctions.test.ts b/packages/nodes-base/nodes/Jira/__test__/GenericFunctions.test.ts
index 6a5117ad606..721317dcabf 100644
--- a/packages/nodes-base/nodes/Jira/__test__/GenericFunctions.test.ts
+++ b/packages/nodes-base/nodes/Jira/__test__/GenericFunctions.test.ts
@@ -92,6 +92,20 @@ describe('Jira -> GenericFunctions', () => {
 			);
 		});
 
+		it('should remove trailing slashes from the domain before making the request', async () => {
+			mockExecuteFunctions.getNodeParameter.mockReturnValue('cloud');
+			mockExecuteFunctions.getCredentials.mockResolvedValue({
+				domain: 'https://example.atlassian.net///',
+			});
+
+			await jiraSoftwareCloudApiRequest.call(mockExecuteFunctions, '/api/2/myself', 'GET');
+
+			expect(mockExecuteFunctions.helpers.requestWithAuthentication).toHaveBeenCalledWith(
+				'jiraSoftwareCloudApi',
+				expect.objectContaining({ uri: 'https://example.atlassian.net/rest/api/2/myself' }),
+			);
+		});
+
 		it('should use jiraSoftwareCloudOAuth2Api credential for jiraVersion "cloudOAuth2" and look up cloudId', async () => {
 			const cloudId = 'abc123-cloud-id';
 			mockExecuteFunctions.getNodeParameter.mockReturnValue('cloudOAuth2');