diff --git a/crates/matrix-sdk-crypto/src/store/memorystore.rs b/crates/matrix-sdk-crypto/src/store/memorystore.rs
index 9f04a698d..7f113d0f9 100644
--- a/crates/matrix-sdk-crypto/src/store/memorystore.rs
+++ b/crates/matrix-sdk-crypto/src/store/memorystore.rs
@@ -782,6 +782,10 @@ impl CryptoStore for MemoryStore {
         Ok(self.rooms_pending_key_bundle.read().get(room_id).cloned())
     }
 
+    async fn get_all_rooms_pending_key_bundles(&self) -> Result<Vec<RoomPendingKeyBundleDetails>> {
+        Ok(self.rooms_pending_key_bundle.read().values().cloned().collect())
+    }
+
     async fn has_downloaded_all_room_keys(&self, room_id: &RoomId) -> Result<bool> {
         let guard = self.room_key_backups_fully_downloaded.read();
         Ok(guard.contains(room_id))
@@ -1629,6 +1633,12 @@ mod integration_tests {
             self.0.get_pending_key_bundle_details_for_room(room_id).await
         }
 
+        async fn get_all_rooms_pending_key_bundles(
+            &self,
+        ) -> Result<Vec<RoomPendingKeyBundleDetails>, Self::Error> {
+            self.0.get_all_rooms_pending_key_bundles().await
+        }
+
         async fn get_custom_value(&self, key: &str) -> Result<Option<Vec<u8>>, Self::Error> {
             self.0.get_custom_value(key).await
         }
diff --git a/crates/matrix-sdk-crypto/src/store/traits.rs b/crates/matrix-sdk-crypto/src/store/traits.rs
index b4987ef34..82dc05a7b 100644
--- a/crates/matrix-sdk-crypto/src/store/traits.rs
+++ b/crates/matrix-sdk-crypto/src/store/traits.rs
@@ -363,6 +363,12 @@ pub trait CryptoStore: AsyncTraitDeps {
         room_id: &RoomId,
     ) -> Result<Option<RoomPendingKeyBundleDetails>, Self::Error>;
 
+    /// Retrieve a list of details for all rooms where we are currently awaiting
+    /// key bundles to be received.
+    async fn get_all_rooms_pending_key_bundles(
+        &self,
+    ) -> Result<Vec<RoomPendingKeyBundleDetails>, Self::Error>;
+
     /// Get whether we have previously downloaded all room keys for a particular
     /// room from the key backup in advance of building a room key bundle.
     async fn has_downloaded_all_room_keys(&self, room_id: &RoomId) -> Result<bool, Self::Error>;
@@ -649,6 +655,12 @@ impl<T: CryptoStore> CryptoStore for EraseCryptoStoreError<T> {
         self.0.get_pending_key_bundle_details_for_room(room_id).await.map_err(Into::into)
     }
 
+    async fn get_all_rooms_pending_key_bundles(
+        &self,
+    ) -> Result<Vec<RoomPendingKeyBundleDetails>, Self::Error> {
+        self.0.get_all_rooms_pending_key_bundles().await.map_err(Into::into)
+    }
+
     async fn get_custom_value(&self, key: &str) -> Result<Option<Vec<u8>>, Self::Error> {
         self.0.get_custom_value(key).await.map_err(Into::into)
     }
diff --git a/crates/matrix-sdk-indexeddb/src/crypto_store/mod.rs b/crates/matrix-sdk-indexeddb/src/crypto_store/mod.rs
index 00df131aa..4070558fc 100644
--- a/crates/matrix-sdk-indexeddb/src/crypto_store/mod.rs
+++ b/crates/matrix-sdk-indexeddb/src/crypto_store/mod.rs
@@ -1608,6 +1608,24 @@ impl_crypto_store! {
         Ok(result)
     }
 
+    async fn get_all_rooms_pending_key_bundles(&self) -> Result<Vec<RoomPendingKeyBundleDetails>> {
+        let result = self
+            .inner
+            .transaction(keys::ROOMS_PENDING_KEY_BUNDLE)
+            .with_mode(TransactionMode::Readonly)
+            .build()?
+            .object_store(keys::ROOMS_PENDING_KEY_BUNDLE)?
+            .get_all()
+            .await?
+            .map(|result| {
+                result
+                    .map_err(Into::into)
+                    .and_then(|v| self.serializer.deserialize_value(v).map_err(Into::into))
+            })
+            .collect::<Result<Vec<_>>>()?;
+        Ok(result)
+    }
+
     async fn get_custom_value(&self, key: &str) -> Result<Option<Vec<u8>>> {
         self.inner
             .transaction(keys::CORE)
diff --git a/crates/matrix-sdk-sqlite/src/crypto_store.rs b/crates/matrix-sdk-sqlite/src/crypto_store.rs
index d43fab1c6..f4943c638 100644
--- a/crates/matrix-sdk-sqlite/src/crypto_store.rs
+++ b/crates/matrix-sdk-sqlite/src/crypto_store.rs
@@ -903,6 +903,12 @@ trait SqliteObjectCryptoStoreExt: SqliteAsyncConnExt {
             .optional()?)
     }
 
+    async fn get_all_rooms_pending_key_bundle(&self) -> Result<Vec<Vec<u8>>> {
+        Ok(self
+            .query_many("SELECT data FROM rooms_pending_key_bundle", (), |row| row.get(0))
+            .await?)
+    }
+
     async fn has_downloaded_all_room_keys(&self, room_id: Key) -> Result<bool> {
         Ok(self
             .query_row(
@@ -1581,6 +1587,15 @@ impl CryptoStore for SqliteCryptoStore {
         Ok(Some(details))
     }
 
+    async fn get_all_rooms_pending_key_bundles(&self) -> Result<Vec<RoomPendingKeyBundleDetails>> {
+        let details = self.read().await?.get_all_rooms_pending_key_bundle().await?;
+        let room_ids = details
+            .into_iter()
+            .map(|value| self.deserialize_value(&value))
+            .collect::<Result<_, _>>()?;
+        Ok(room_ids)
+    }
+
     async fn get_custom_value(&self, key: &str) -> Result<Option<Vec<u8>>> {
         let Some(serialized) = self.read().await?.get_kv(key).await? else {
             return Ok(None);