From 9d6629a5a21dbf7ee73a6f714804f288c593fac4 Mon Sep 17 00:00:00 2001
From: David Wiesen <iceweasel@openai.com>
Date: Sun, 22 Mar 2026 21:46:38 -0700
Subject: [PATCH] Skip WindowsApps paths during read ACL refresh

---
 .../src/setup_orchestrator.rs                 | 32 +++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/codex-rs/windows-sandbox-rs/src/setup_orchestrator.rs b/codex-rs/windows-sandbox-rs/src/setup_orchestrator.rs
index 317a4d467c..c0e043b1bd 100644
--- a/codex-rs/windows-sandbox-rs/src/setup_orchestrator.rs
+++ b/codex-rs/windows-sandbox-rs/src/setup_orchestrator.rs
@@ -639,11 +639,20 @@ fn build_payload_roots(
     } else {
         gather_read_roots(command_cwd, policy, codex_home)
     };
+    read_roots = filter_protected_read_roots(read_roots);
     let write_root_set: HashSet<PathBuf> = write_roots.iter().cloned().collect();
     read_roots.retain(|root| !write_root_set.contains(root));
     (read_roots, write_roots)
 }
 
+fn filter_protected_read_roots(mut roots: Vec<PathBuf>) -> Vec<PathBuf> {
+    roots.retain(|root| {
+        let key = canonical_path_key(root);
+        key != "c:/program files/windowsapps" && !key.starts_with("c:/program files/windowsapps/")
+    });
+    roots
+}
+
 fn filter_sensitive_write_roots(mut roots: Vec<PathBuf>, codex_home: &Path) -> Vec<PathBuf> {
     // Never grant capability write access to CODEX_HOME or anything under CODEX_HOME/.sandbox,
     // CODEX_HOME/.sandbox-bin, or CODEX_HOME/.sandbox-secrets. These locations contain sandbox
@@ -671,6 +680,7 @@ fn filter_sensitive_write_roots(mut roots: Vec<PathBuf>, codex_home: &Path) -> V
 
 #[cfg(test)]
 mod tests {
+    use super::filter_protected_read_roots;
     use super::gather_legacy_full_read_roots;
     use super::gather_read_roots;
     use super::profile_read_roots;
@@ -832,4 +842,26 @@ mod tests {
             .into_iter()
             .all(|path| roots.contains(&path)));
     }
+
+    #[test]
+    fn filter_protected_read_roots_skips_windowsapps_paths() {
+        let tmp = TempDir::new().expect("tempdir");
+        let safe_root = tmp.path().join("workspace");
+        fs::create_dir_all(&safe_root).expect("create safe root");
+
+        let roots = vec![
+            PathBuf::from(r"C:\Program Files\WindowsApps"),
+            PathBuf::from(
+                r"C:\Program Files\WindowsApps\OpenAI.Codex_1.2.3_x64__pkg\app\resources",
+            ),
+            safe_root.clone(),
+        ];
+
+        let filtered = filter_protected_read_roots(roots);
+
+        assert_eq!(
+            vec![dunce::canonicalize(&safe_root).expect("canonical safe root")],
+            filtered
+        );
+    }
 }