From 8936b3c465b4e3f63b3d35432c8853400f6fc613 Mon Sep 17 00:00:00 2001
From: Robin Appelman <robin@icewind.nl>
Date: Mon, 2 Mar 2026 18:14:33 +0100
Subject: [PATCH] fix: don't return cache entries with null paths

Signed-off-by: Robin Appelman <robin@icewind.nl>
---
 lib/private/Files/Cache/Wrapper/CacheJail.php | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/lib/private/Files/Cache/Wrapper/CacheJail.php b/lib/private/Files/Cache/Wrapper/CacheJail.php
index f283eec147d31..67797ce0ce747 100644
--- a/lib/private/Files/Cache/Wrapper/CacheJail.php
+++ b/lib/private/Files/Cache/Wrapper/CacheJail.php
@@ -100,7 +100,12 @@ protected function getJailedPath(string $path, ?string $root = null) {
 
 	protected function formatCacheEntry($entry) {
 		if (isset($entry['path'])) {
-			$entry['path'] = $this->getJailedPath($entry['path']);
+			$jailedPath = $this->getJailedPath($entry['path']);
+			if ($jailedPath !== null) {
+				$entry['path'] = $jailedPath;
+			} else {
+				return false;
+			}
 		}
 		return $entry;
 	}