diff --git a/apps/files_sharing/lib/Controller/ShareAPIController.php b/apps/files_sharing/lib/Controller/ShareAPIController.php
index fb8a702cbd4..2e5ec8ada34 100644
--- a/apps/files_sharing/lib/Controller/ShareAPIController.php
+++ b/apps/files_sharing/lib/Controller/ShareAPIController.php
@@ -2098,10 +2098,22 @@ class ShareAPIController extends OCSController {
 
 		$canDownload = false;
 		$hideDownload = true;
-		$userExplicitlySetHideDownload = $share->getHideDownload(); // Capture user's explicit choice
+		$userExplicitlySetHideDownload = $share->getHideDownload();
 
 		$userFolder = $this->rootFolder->getUserFolder($share->getSharedBy());
 		$nodes = $userFolder->getById($share->getNodeId());
+
+		// Fallback: getById fails for federated storage when mount cache is incomplete.
+		// Use node already set on share during creation.
+		if (empty($nodes)) {
+			try {
+				$node = $share->getNode();
+				$nodes = [$node];
+			} catch (\Exception $e) {
+				return;
+			}
+		}
+
 		foreach ($nodes as $node) {
 			// Owner always can download it - so allow it, but respect their explicit choice about hiding downloads
 			if ($node->getOwner()?->getUID() === $share->getSharedBy()) {
diff --git a/apps/files_sharing/tests/Controller/ShareAPIControllerTest.php b/apps/files_sharing/tests/Controller/ShareAPIControllerTest.php
index 30a946c7847..5c7774de704 100644
--- a/apps/files_sharing/tests/Controller/ShareAPIControllerTest.php
+++ b/apps/files_sharing/tests/Controller/ShareAPIControllerTest.php
@@ -5648,4 +5648,33 @@ class ShareAPIControllerTest extends TestCase {
 
 		$this->invokePrivate($ocs, 'checkInheritedAttributes', [$share]);
 	}
+
+	public function testFederatedStorageFallbackWhenGetByIdEmpty(): void {
+		$ocs = $this->mockFormatShare();
+
+		$share = $this->createMock(IShare::class);
+		$node = $this->createMock(File::class);
+		$userFolder = $this->createMock(Folder::class);
+		$owner = $this->createMock(IUser::class);
+		$storage = $this->createMock(\OCA\Files_Sharing\External\Storage::class);
+
+		$share->method('getSharedBy')->willReturn('sharedByUser');
+		$share->method('getNodeId')->willReturn(42);
+		$share->method('getHideDownload')->willReturn(false);
+		$share->method('getNode')->willReturn($node);
+		$node->method('getOwner')->willReturn($owner);
+		$owner->method('getUID')->willReturn('differentOwner');
+		$node->method('getStorage')->willReturn($storage);
+		$storage->method('instanceOfStorage')->willReturnMap([
+			[SharedStorage::class, false],
+			[\OCA\Files_Sharing\External\Storage::class, true]
+		]);
+
+		$userFolder->method('getById')->with(42)->willReturn([]);
+		$this->rootFolder->method('getUserFolder')->with('sharedByUser')->willReturn($userFolder);
+
+		$share->expects($this->once())->method('setHideDownload')->with(false);
+
+		$this->invokePrivate($ocs, 'checkInheritedAttributes', [$share]);
+	}
 }