From dd04d77b23ae7b98d8875b39b6d583a64a0f83d0 Mon Sep 17 00:00:00 2001
From: Jonas Feller <jonas.feller@mobi.ch>
Date: Mon, 16 Mar 2026 10:36:11 +0100
Subject: [PATCH] fix(authService): always use redirect URI in lowercase in
 Authenticate Code with PKCE flow

fixes #2868
---
 src/services/oauthService.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/services/oauthService.ts b/src/services/oauthService.ts
index f637845ba..0d4bc4e62 100644
--- a/src/services/oauthService.ts
+++ b/src/services/oauthService.ts
@@ -210,7 +210,7 @@ export class OAuthService {
                 client_id: authorizationServer.clientId,
                 code_verifier: sessionStorage.getItem("code_verifier"),
                 grant_type: GrantTypes.authorizationCode,
-                redirect_uri: redirectUri,
+                redirect_uri: redirectUri.toLowerCase(),
                 code: authorizationCode
             });