diff --git a/services/autofill/bugfixes.aconfig b/services/autofill/bugfixes.aconfig
index 123b65c..b37bbd6 100644
--- a/services/autofill/bugfixes.aconfig
+++ b/services/autofill/bugfixes.aconfig
@@ -8,6 +8,13 @@
 }
 
 flag {
+  name: "fill_fields_from_current_session_only"
+  namespace: "autofill"
+  description: "Only fill autofill fields that are part of the current session."
+  bug: "270722825"
+}
+
+flag {
   name: "relayout"
   namespace: "autofill"
   description: "Mitigation for relayout issue"
diff --git a/services/autofill/java/com/android/server/autofill/AutofillManagerService.java b/services/autofill/java/com/android/server/autofill/AutofillManagerService.java
index c7b53c5..3e13499 100644
--- a/services/autofill/java/com/android/server/autofill/AutofillManagerService.java
+++ b/services/autofill/java/com/android/server/autofill/AutofillManagerService.java
@@ -58,6 +58,7 @@
 import android.provider.DeviceConfig;
 import android.provider.Settings;
 import android.service.autofill.FillEventHistory;
+import android.service.autofill.Flags;
 import android.service.autofill.UserData;
 import android.text.TextUtils;
 import android.text.TextUtils.SimpleStringSplitter;
@@ -226,6 +227,9 @@
     @GuardedBy("mFlagLock")
     private int mMaxInputLengthForAutofill;
 
+    @GuardedBy("mFlagLock")
+    private boolean mIsFillFieldsFromCurrentSessionOnly;
+
     // Default flag values for Autofill PCC
 
     private static final String DEFAULT_PCC_FEATURE_PROVIDER_HINTS = "";
@@ -701,6 +705,7 @@
                     DeviceConfig.NAMESPACE_AUTOFILL,
                     AutofillFeatureFlags.DEVICE_CONFIG_MAX_INPUT_LENGTH_FOR_AUTOFILL,
                     AutofillFeatureFlags.DEFAULT_MAX_INPUT_LENGTH_FOR_AUTOFILL);
+            mIsFillFieldsFromCurrentSessionOnly = Flags.fillFieldsFromCurrentSessionOnly();
             if (verbose) {
                 Slog.v(mTag, "setDeviceConfigProperties() for PCC: "
                         + "mPccClassificationEnabled=" + mPccClassificationEnabled
@@ -1004,6 +1009,15 @@
         }
     }
 
+    /**
+     * Return if autofill should only fill in fields from current session.
+     */
+    public boolean getIsFillFieldsFromCurrentSessionOnly() {
+        synchronized (mFlagLock) {
+            return mIsFillFieldsFromCurrentSessionOnly;
+        }
+    }
+
     @Nullable
     @VisibleForTesting
     static Map<String, String[]> getAllowedCompatModePackages(String setting) {
diff --git a/services/autofill/java/com/android/server/autofill/Session.java b/services/autofill/java/com/android/server/autofill/Session.java
index 265ed46..ae14877 100644
--- a/services/autofill/java/com/android/server/autofill/Session.java
+++ b/services/autofill/java/com/android/server/autofill/Session.java
@@ -6142,9 +6142,17 @@
                         continue;
                     }
                     final AutofillId viewId = dataset.getFieldIds().get(i);
+                    final ViewState viewState = mViewStates.get(viewId);
+                    if (mService.getMaster().getIsFillFieldsFromCurrentSessionOnly()
+                            && viewState != null && viewState.id.getSessionId() != id) {
+                        if (sVerbose) {
+                            Slog.v(TAG, "Skipping filling view: " +
+                                    viewId + " as it isn't part of the current session: " + id);
+                        }
+                        continue;
+                    }
                     ids.add(viewId);
                     values.add(dataset.getFieldValues().get(i));
-                    final ViewState viewState = mViewStates.get(viewId);
                     if (viewState != null
                             && (viewState.getState() & ViewState.STATE_WAITING_DATASET_AUTH) != 0) {
                         if (sVerbose) {