diff --git a/backend/src/services/app-connection/gitlab/gitlab-connection-fns.ts b/backend/src/services/app-connection/gitlab/gitlab-connection-fns.ts
index 858e83ee5..93bbbc594 100644
--- a/backend/src/services/app-connection/gitlab/gitlab-connection-fns.ts
+++ b/backend/src/services/app-connection/gitlab/gitlab-connection-fns.ts
@@ -4,7 +4,9 @@ import { AxiosError, AxiosResponse } from "axios";
 import { getConfig } from "@app/lib/config/env";
 import { request } from "@app/lib/config/request";
 import { BadRequestError, InternalServerError } from "@app/lib/errors";
+import { removeTrailingSlash } from "@app/lib/fn";
 import { logger } from "@app/lib/logger";
+import { blockLocalAndPrivateIpAddresses } from "@app/lib/validator";
 import { AppConnection } from "@app/services/app-connection/app-connection-enums";
 import { encryptAppConnectionCredentials } from "@app/services/app-connection/app-connection-fns";
 import { IntegrationUrls } from "@app/services/integration-auth/integration-list";
@@ -37,6 +39,14 @@ export const getGitLabConnectionListItem = () => {
   };
 };
 
+export const getGitLabInstanceUrl = async (instanceUrl?: string) => {
+  const gitLabInstanceUrl = instanceUrl ? removeTrailingSlash(instanceUrl) : IntegrationUrls.GITLAB_URL;
+
+  await blockLocalAndPrivateIpAddresses(gitLabInstanceUrl);
+
+  return gitLabInstanceUrl;
+};
+
 export const refreshGitLabToken = async (
   refreshToken: string,
   appId: string,
@@ -61,16 +71,13 @@ export const refreshGitLabToken = async (
   });
 
   try {
-    const { data } = await request.post<GitLabOAuthTokenResponse>(
-      `${instanceUrl ? `${instanceUrl}/oauth/token` : IntegrationUrls.GITLAB_TOKEN_URL}`,
-      payload.toString(),
-      {
-        headers: {
-          "Content-Type": "application/x-www-form-urlencoded",
-          Accept: "application/json"
-        }
+    const url = await getGitLabInstanceUrl(instanceUrl);
+    const { data } = await request.post<GitLabOAuthTokenResponse>(`${url}/oauth/token`, payload.toString(), {
+      headers: {
+        "Content-Type": "application/x-www-form-urlencoded",
+        Accept: "application/json"
       }
-    );
+    });
 
     const expiresAt = new Date(Date.now() + data.expires_in * 1000 - 60000);
 
@@ -118,17 +125,14 @@ export const exchangeGitLabOAuthCode = async (
       client_secret: CLIENT_SECRET_GITLAB_LOGIN,
       redirect_uri: `${SITE_URL}/integrations/gitlab/oauth2/callback`
     });
+    const url = await getGitLabInstanceUrl(instanceUrl);
 
-    const response = await request.post<GitLabOAuthTokenResponse>(
-      instanceUrl ? `${instanceUrl}/oauth/token` : IntegrationUrls.GITLAB_TOKEN_URL,
-      payload.toString(),
-      {
-        headers: {
-          "Content-Type": "application/x-www-form-urlencoded",
-          Accept: "application/json"
-        }
+    const response = await request.post<GitLabOAuthTokenResponse>(`${url}/oauth/token`, payload.toString(), {
+      headers: {
+        "Content-Type": "application/x-www-form-urlencoded",
+        Accept: "application/json"
       }
-    );
+    });
 
     if (!response.data) {
       throw new InternalServerError({
@@ -169,15 +173,13 @@ export const validateGitLabConnectionCredentials = async (config: TGitLabConnect
   let response: AxiosResponse<TGitLabProject[]> | null = null;
 
   try {
-    response = await request.get<TGitLabProject[]>(
-      `${inputCredentials.instanceUrl ? `${inputCredentials.instanceUrl}/api` : IntegrationUrls.GITLAB_API_URL}/v4/groups`,
-      {
-        headers: {
-          Authorization: `Bearer ${accessToken}`,
-          Accept: "application/json"
-        }
+    const url = await getGitLabInstanceUrl(inputCredentials.instanceUrl);
+    response = await request.get<TGitLabProject[]>(`${url}/api/v4/groups`, {
+      headers: {
+        Authorization: `Bearer ${accessToken}`,
+        Accept: "application/json"
       }
-    );
+    });
   } catch (error: unknown) {
     if (error instanceof AxiosError) {
       throw new BadRequestError({
@@ -236,9 +238,8 @@ export const listGitLabProjects = async ({
     );
   }
 
-  const gitLabApiUrl = appConnection.credentials.instanceUrl
-    ? `${appConnection.credentials.instanceUrl}/api/v4`
-    : `${IntegrationUrls.GITLAB_API_URL}/v4`;
+  const url = await getGitLabInstanceUrl(appConnection.credentials.instanceUrl);
+  const gitLabApiUrl = `${url}/api/v4`;
 
   const projects: TGitLabProject[] = [];
   let page = 1;
@@ -433,9 +434,8 @@ export const listGitLabGroups = async ({
     );
   }
 
-  const gitLabApiUrl = appConnection.credentials.instanceUrl
-    ? `${appConnection.credentials.instanceUrl}/api/v4`
-    : `${IntegrationUrls.GITLAB_API_URL}/v4`;
+  const url = await getGitLabInstanceUrl(appConnection.credentials.instanceUrl);
+  const gitLabApiUrl = `${url}/api/v4`;
 
   const groups: TGitLabGroup[] = [];
   let page = 1;
diff --git a/backend/src/services/secret-sync/gitlab/gitlab-sync-fns.ts b/backend/src/services/secret-sync/gitlab/gitlab-sync-fns.ts
index fea0092be..b9995436e 100644
--- a/backend/src/services/secret-sync/gitlab/gitlab-sync-fns.ts
+++ b/backend/src/services/secret-sync/gitlab/gitlab-sync-fns.ts
@@ -1,5 +1,6 @@
 /* eslint-disable no-await-in-loop */
 import { request } from "@app/lib/config/request";
+import { blockLocalAndPrivateIpAddresses } from "@app/lib/validator";
 import { TAppConnectionDALFactory } from "@app/services/app-connection/app-connection-dal";
 import { GitLabConnectionMethod, refreshGitLabToken, TGitLabConnection } from "@app/services/app-connection/gitlab";
 import { IntegrationUrls } from "@app/services/integration-auth/integration-list";
@@ -55,8 +56,9 @@ const getValidAccessToken = async (
   return connection.credentials.accessToken;
 };
 
-const getGitLabApiUrl = (connection: TGitLabConnection): string => {
+const getGitLabApiUrl = async (connection: TGitLabConnection): Promise<string> => {
   const baseUrl = connection.credentials.instanceUrl || IntegrationUrls.GITLAB_API_URL;
+  await blockLocalAndPrivateIpAddresses(baseUrl);
   return baseUrl.includes("/api") ? baseUrl : `${baseUrl}/api`;
 };
 
@@ -76,7 +78,7 @@ const getGitLabVariables = async ({
   targetEnvironment?: string;
 }): Promise<TGitLabVariable[]> => {
   try {
-    const apiUrl = getGitLabApiUrl(connection);
+    const apiUrl = await getGitLabApiUrl(connection);
     const baseEndpoint = buildVariablesEndpoint(apiUrl, projectId);
 
     const headers = {
@@ -131,7 +133,7 @@ const createGitLabVariable = async ({
   variable: TGitLabVariableCreate;
 }): Promise<void> => {
   try {
-    const apiUrl = getGitLabApiUrl(connection);
+    const apiUrl = await getGitLabApiUrl(connection);
     const endpoint = buildVariablesEndpoint(apiUrl, projectId);
 
     const payload = {
@@ -177,7 +179,7 @@ const updateGitLabVariable = async ({
   targetEnvironment?: string;
 }): Promise<void> => {
   try {
-    const apiUrl = getGitLabApiUrl(connection);
+    const apiUrl = await getGitLabApiUrl(connection);
     const baseEndpoint = buildVariablesEndpoint(apiUrl, projectId);
     let url = `${baseEndpoint}/${encodeURIComponent(key)}`;
 
@@ -224,7 +226,7 @@ const deleteGitLabVariable = async ({
   targetEnvironment?: string;
 }): Promise<void> => {
   try {
-    const apiUrl = getGitLabApiUrl(connection);
+    const apiUrl = await getGitLabApiUrl(connection);
     const baseEndpoint = buildVariablesEndpoint(apiUrl, projectId);
     let url = `${baseEndpoint}/${encodeURIComponent(key)}`;
 
diff --git a/docs/integrations/secret-syncs/gitlab.mdx b/docs/integrations/secret-syncs/gitlab.mdx
index a304571a5..bc60c6245 100644
--- a/docs/integrations/secret-syncs/gitlab.mdx
+++ b/docs/integrations/secret-syncs/gitlab.mdx
@@ -5,8 +5,8 @@ description: "Learn how to configure a GitLab Sync for Infisical."
 
 **Prerequisites:**
 
-        - Set up and add secrets to [Infisical Cloud](https://app.infisical.com)
-        - Create a [GitLab Connection](/integrations/app-connections/gitlab)
+    - Set up and add secrets to [Infisical Cloud](https://app.infisical.com)
+    - Create a [GitLab Connection](/integrations/app-connections/gitlab)
 
 <Tabs>
     <Tab title="Infisical UI">
diff --git a/frontend/src/components/secret-syncs/forms/SecretSyncDestinationFields/GitLabSyncFields.tsx b/frontend/src/components/secret-syncs/forms/SecretSyncDestinationFields/GitLabSyncFields.tsx
index 146d75b22..b4af0291c 100644
--- a/frontend/src/components/secret-syncs/forms/SecretSyncDestinationFields/GitLabSyncFields.tsx
+++ b/frontend/src/components/secret-syncs/forms/SecretSyncDestinationFields/GitLabSyncFields.tsx
@@ -65,7 +65,7 @@ const SecretProtectionOption = ({
 
 export const GitLabSyncFields = () => {
   const { control, setValue } = useFormContext<
-    TSecretSyncForm & { destination: SecretSync.Gitlab }
+    TSecretSyncForm & { destination: SecretSync.GitLab }
   >();
 
   const connectionId = useWatch({ name: "connection.id", control });
@@ -259,10 +259,10 @@ export const GitLabSyncFields = () => {
             control={control}
             name="destinationConfig.shouldHideSecrets"
             render={({ field: { onChange, value } }) => (
-              <div className='"max-h-32 opacity-100" transition-all duration-300'>
+              <div className="max-h-32 opacity-100 transition-all duration-300">
                 <SecretProtectionOption
                   id="should-hide-secrets"
-                  title="Mark Infisical secrets in GitLab as 'Protected' secrets"
+                  title="Mark Infisical secrets in GitLab as 'Hidden' secrets"
                   tooltip="Secrets can only be marked as hidden if they are also masked."
                   isEnabled={value || false}
                   onChange={onChange}
diff --git a/frontend/src/components/secret-syncs/forms/SecretSyncDestinationFields/SecretSyncDestinationFields.tsx b/frontend/src/components/secret-syncs/forms/SecretSyncDestinationFields/SecretSyncDestinationFields.tsx
index ef91053ee..8ea670982 100644
--- a/frontend/src/components/secret-syncs/forms/SecretSyncDestinationFields/SecretSyncDestinationFields.tsx
+++ b/frontend/src/components/secret-syncs/forms/SecretSyncDestinationFields/SecretSyncDestinationFields.tsx
@@ -71,7 +71,7 @@ export const SecretSyncDestinationFields = () => {
       return <RenderSyncFields />;
     case SecretSync.Flyio:
       return <FlyioSyncFields />;
-    case SecretSync.Gitlab:
+    case SecretSync.GitLab:
       return <GitLabSyncFields />;
     default:
       throw new Error(`Unhandled Destination Config Field: ${destination}`);
diff --git a/frontend/src/components/secret-syncs/forms/SecretSyncOptionsFields/SecretSyncOptionsFields.tsx b/frontend/src/components/secret-syncs/forms/SecretSyncOptionsFields/SecretSyncOptionsFields.tsx
index 87115868e..5958b49c0 100644
--- a/frontend/src/components/secret-syncs/forms/SecretSyncOptionsFields/SecretSyncOptionsFields.tsx
+++ b/frontend/src/components/secret-syncs/forms/SecretSyncOptionsFields/SecretSyncOptionsFields.tsx
@@ -55,7 +55,7 @@ export const SecretSyncOptionsFields = ({ hideInitialSync }: Props) => {
     case SecretSync.Heroku:
     case SecretSync.Render:
     case SecretSync.Flyio:
-    case SecretSync.Gitlab:
+    case SecretSync.GitLab:
       AdditionalSyncOptionsFieldsComponent = null;
       break;
     default:
diff --git a/frontend/src/components/secret-syncs/forms/SecretSyncReviewFields/GitLabSyncReviewFields.tsx b/frontend/src/components/secret-syncs/forms/SecretSyncReviewFields/GitLabSyncReviewFields.tsx
index 17ece3586..03c422df5 100644
--- a/frontend/src/components/secret-syncs/forms/SecretSyncReviewFields/GitLabSyncReviewFields.tsx
+++ b/frontend/src/components/secret-syncs/forms/SecretSyncReviewFields/GitLabSyncReviewFields.tsx
@@ -5,7 +5,7 @@ import { TSecretSyncForm } from "@app/components/secret-syncs/forms/schemas";
 import { SecretSync } from "@app/hooks/api/secretSyncs";
 
 export const GitLabSyncReviewFields = () => {
-  const { watch } = useFormContext<TSecretSyncForm & { destination: SecretSync.Gitlab }>();
+  const { watch } = useFormContext<TSecretSyncForm & { destination: SecretSync.GitLab }>();
   const projectId = watch("destinationConfig.projectId");
   const targetEnvironment = watch("destinationConfig.targetEnvironment");
   const groupId = watch("destinationConfig.groupId");
diff --git a/frontend/src/components/secret-syncs/forms/SecretSyncReviewFields/SecretSyncReviewFields.tsx b/frontend/src/components/secret-syncs/forms/SecretSyncReviewFields/SecretSyncReviewFields.tsx
index 3a55b6fc9..82aedabc6 100644
--- a/frontend/src/components/secret-syncs/forms/SecretSyncReviewFields/SecretSyncReviewFields.tsx
+++ b/frontend/src/components/secret-syncs/forms/SecretSyncReviewFields/SecretSyncReviewFields.tsx
@@ -117,7 +117,7 @@ export const SecretSyncReviewFields = () => {
     case SecretSync.Flyio:
       DestinationFieldsComponent = <FlyioSyncReviewFields />;
       break;
-    case SecretSync.Gitlab:
+    case SecretSync.GitLab:
       DestinationFieldsComponent = <GitLabSyncReviewFields />;
       break;
     default:
diff --git a/frontend/src/components/secret-syncs/forms/schemas/gitlab-sync-destination-schema.ts b/frontend/src/components/secret-syncs/forms/schemas/gitlab-sync-destination-schema.ts
index 8019b0f26..09c9a8b7a 100644
--- a/frontend/src/components/secret-syncs/forms/schemas/gitlab-sync-destination-schema.ts
+++ b/frontend/src/components/secret-syncs/forms/schemas/gitlab-sync-destination-schema.ts
@@ -6,7 +6,7 @@ import { GitlabSyncScope } from "@app/hooks/api/secretSyncs/types/gitlab-sync";
 
 export const GitlabSyncDestinationSchema = BaseSecretSyncSchema().merge(
   z.object({
-    destination: z.literal(SecretSync.Gitlab),
+    destination: z.literal(SecretSync.GitLab),
     destinationConfig: z.discriminatedUnion("scope", [
       z.object({
         scope: z.literal(GitlabSyncScope.Individual),
diff --git a/frontend/src/helpers/appConnections.ts b/frontend/src/helpers/appConnections.ts
index db679c8a5..048826357 100644
--- a/frontend/src/helpers/appConnections.ts
+++ b/frontend/src/helpers/appConnections.ts
@@ -86,7 +86,7 @@ export const APP_CONNECTION_MAP: Record<
   [AppConnection.Heroku]: { name: "Heroku", image: "Heroku.png" },
   [AppConnection.Render]: { name: "Render", image: "Render.png" },
   [AppConnection.Flyio]: { name: "Fly.io", image: "Flyio.svg" },
-  [AppConnection.Gitlab]: { name: "Gitlab", image: "GitLab.png" }
+  [AppConnection.Gitlab]: { name: "GitLab", image: "GitLab.png" }
 };
 
 export const getAppConnectionMethodDetails = (method: TAppConnection["method"]) => {
diff --git a/frontend/src/helpers/secretSyncs.ts b/frontend/src/helpers/secretSyncs.ts
index 8c12556d7..a77732af3 100644
--- a/frontend/src/helpers/secretSyncs.ts
+++ b/frontend/src/helpers/secretSyncs.ts
@@ -74,7 +74,7 @@ export const SECRET_SYNC_MAP: Record<SecretSync, { name: string; image: string }
     name: "Fly.io",
     image: "Flyio.svg"
   },
-  [SecretSync.Gitlab]: {
+  [SecretSync.GitLab]: {
     name: "Gitlab",
     image: "GitLab.png"
   }
@@ -101,7 +101,7 @@ export const SECRET_SYNC_CONNECTION_MAP: Record<SecretSync, AppConnection> = {
   [SecretSync.Heroku]: AppConnection.Heroku,
   [SecretSync.Render]: AppConnection.Render,
   [SecretSync.Flyio]: AppConnection.Flyio,
-  [SecretSync.Gitlab]: AppConnection.Gitlab
+  [SecretSync.GitLab]: AppConnection.Gitlab
 };
 
 export const SECRET_SYNC_INITIAL_SYNC_BEHAVIOR_MAP: Record<
diff --git a/frontend/src/hooks/api/secretSyncs/enums.ts b/frontend/src/hooks/api/secretSyncs/enums.ts
index 26c9d6391..bfd45d541 100644
--- a/frontend/src/hooks/api/secretSyncs/enums.ts
+++ b/frontend/src/hooks/api/secretSyncs/enums.ts
@@ -19,7 +19,7 @@ export enum SecretSync {
   Heroku = "heroku",
   Render = "render",
   Flyio = "flyio",
-  Gitlab = "gitlab"
+  GitLab = "gitlab"
 }
 
 export enum SecretSyncStatus {
diff --git a/frontend/src/hooks/api/secretSyncs/types/gitlab-sync.ts b/frontend/src/hooks/api/secretSyncs/types/gitlab-sync.ts
index 8738fa606..2bedd5232 100644
--- a/frontend/src/hooks/api/secretSyncs/types/gitlab-sync.ts
+++ b/frontend/src/hooks/api/secretSyncs/types/gitlab-sync.ts
@@ -8,7 +8,7 @@ export enum GitlabSyncScope {
 }
 
 export type TGitlabSync = TRootSecretSync & {
-  destination: SecretSync.Gitlab;
+  destination: SecretSync.GitLab;
   destinationConfig:
     | {
         scope: GitlabSyncScope.Individual;
diff --git a/frontend/src/pages/secret-manager/IntegrationsListPage/components/SecretSyncsTab/SecretSyncTable/SecretSyncDestinationCol/SecretSyncDestinationCol.tsx b/frontend/src/pages/secret-manager/IntegrationsListPage/components/SecretSyncsTab/SecretSyncTable/SecretSyncDestinationCol/SecretSyncDestinationCol.tsx
index 4f16534eb..c674c6f9a 100644
--- a/frontend/src/pages/secret-manager/IntegrationsListPage/components/SecretSyncsTab/SecretSyncTable/SecretSyncDestinationCol/SecretSyncDestinationCol.tsx
+++ b/frontend/src/pages/secret-manager/IntegrationsListPage/components/SecretSyncsTab/SecretSyncTable/SecretSyncDestinationCol/SecretSyncDestinationCol.tsx
@@ -68,7 +68,7 @@ export const SecretSyncDestinationCol = ({ secretSync }: Props) => {
       return <RenderSyncDestinationCol secretSync={secretSync} />;
     case SecretSync.Flyio:
       return <FlyioSyncDestinationCol secretSync={secretSync} />;
-    case SecretSync.Gitlab:
+    case SecretSync.GitLab:
       return <GitLabSyncDestinationCol secretSync={secretSync} />;
     default:
       throw new Error(
diff --git a/frontend/src/pages/secret-manager/IntegrationsListPage/components/SecretSyncsTab/SecretSyncTable/helpers/index.ts b/frontend/src/pages/secret-manager/IntegrationsListPage/components/SecretSyncsTab/SecretSyncTable/helpers/index.ts
index ff29ad282..1850a109c 100644
--- a/frontend/src/pages/secret-manager/IntegrationsListPage/components/SecretSyncsTab/SecretSyncTable/helpers/index.ts
+++ b/frontend/src/pages/secret-manager/IntegrationsListPage/components/SecretSyncsTab/SecretSyncTable/helpers/index.ts
@@ -128,7 +128,7 @@ export const getSecretSyncDestinationColValues = (secretSync: TSecretSync) => {
       primaryText = destinationConfig.appId;
       secondaryText = "App ID";
       break;
-    case SecretSync.Gitlab:
+    case SecretSync.GitLab:
       primaryText = destinationConfig.projectName;
       secondaryText = destinationConfig.projectId;
       break;
diff --git a/frontend/src/pages/secret-manager/SecretSyncDetailsByIDPage/components/SecretSyncDestinationSection/SecretSyncDestinatonSection.tsx b/frontend/src/pages/secret-manager/SecretSyncDetailsByIDPage/components/SecretSyncDestinationSection/SecretSyncDestinatonSection.tsx
index 1bf3aa418..b2ab49b96 100644
--- a/frontend/src/pages/secret-manager/SecretSyncDetailsByIDPage/components/SecretSyncDestinationSection/SecretSyncDestinatonSection.tsx
+++ b/frontend/src/pages/secret-manager/SecretSyncDetailsByIDPage/components/SecretSyncDestinationSection/SecretSyncDestinatonSection.tsx
@@ -107,7 +107,7 @@ export const SecretSyncDestinationSection = ({ secretSync, onEditDestination }:
     case SecretSync.Flyio:
       DestinationComponents = <FlyioSyncDestinationSection secretSync={secretSync} />;
       break;
-    case SecretSync.Gitlab:
+    case SecretSync.GitLab:
       DestinationComponents = <GitLabSyncDestinationSection secretSync={secretSync} />;
       break;
     default:
diff --git a/frontend/src/pages/secret-manager/SecretSyncDetailsByIDPage/components/SecretSyncOptionsSection/SecretSyncOptionsSection.tsx b/frontend/src/pages/secret-manager/SecretSyncDetailsByIDPage/components/SecretSyncOptionsSection/SecretSyncOptionsSection.tsx
index b37085b31..457e3f6ac 100644
--- a/frontend/src/pages/secret-manager/SecretSyncDetailsByIDPage/components/SecretSyncOptionsSection/SecretSyncOptionsSection.tsx
+++ b/frontend/src/pages/secret-manager/SecretSyncDetailsByIDPage/components/SecretSyncOptionsSection/SecretSyncOptionsSection.tsx
@@ -58,7 +58,7 @@ export const SecretSyncOptionsSection = ({ secretSync, onEditOptions }: Props) =
     case SecretSync.Heroku:
     case SecretSync.Render:
     case SecretSync.Flyio:
-    case SecretSync.Gitlab:
+    case SecretSync.GitLab:
       AdditionalSyncOptionsComponent = null;
       break;
     default:
diff --git a/frontend/src/pages/secret-manager/integrations/GitlabOauthCallbackPage/GitlabOauthCallbackPage.tsx b/frontend/src/pages/secret-manager/integrations/GitlabOauthCallbackPage/GitlabOauthCallbackPage.tsx
index d6bf83f03..53fe03449 100644
--- a/frontend/src/pages/secret-manager/integrations/GitlabOauthCallbackPage/GitlabOauthCallbackPage.tsx
+++ b/frontend/src/pages/secret-manager/integrations/GitlabOauthCallbackPage/GitlabOauthCallbackPage.tsx
@@ -33,7 +33,6 @@ export const GitLabOAuthCallbackPage = () => {
 
         localStorage.removeItem("latestCSRFToken");
 
-        // Retrieve stored form dataAdd commentMore actions
         const storedFormData = localStorage.getItem("gitlabConnectionFormData");
         if (!storedFormData) {
           console.error("No stored form data found");