diff --git a/Sources/Panels/CmuxWebView.swift b/Sources/Panels/CmuxWebView.swift
index 68a13282..bcd77ed2 100644
--- a/Sources/Panels/CmuxWebView.swift
+++ b/Sources/Panels/CmuxWebView.swift
@@ -113,13 +113,19 @@ final class CmuxWebView: WKWebView {
     }
 
     override func performKeyEquivalent(with event: NSEvent) -> Bool {
-        // Preserve Cmd+Return/Enter for web content (e.g. editors/forms). Do not
-        // route it through app/menu key equivalents, which can trigger unintended actions.
-        let flags = event.modifierFlags.intersection(.deviceIndependentFlagsMask)
-        if flags.contains(.command), event.keyCode == 36 || event.keyCode == 76 {
+        if event.keyCode == 36 || event.keyCode == 76 {
+            // Always bypass app/menu key-equivalent routing for Return/Enter so WebKit
+            // receives the keyDown path used by form submission handlers.
             return false
         }
 
+        let flags = event.modifierFlags.intersection(.deviceIndependentFlagsMask)
+        // Menu/app shortcut routing is only needed for Command equivalents
+        // (New Tab, Close Tab, tab switching, split commands, etc).
+        guard flags.contains(.command) else {
+            return super.performKeyEquivalent(with: event)
+        }
+
         // Let the app menu handle key equivalents first (New Tab, Close Tab, tab switching, etc).
         if let menu = NSApp.mainMenu, menu.performKeyEquivalent(with: event) {
             return true
diff --git a/cmuxTests/CmuxWebViewKeyEquivalentTests.swift b/cmuxTests/CmuxWebViewKeyEquivalentTests.swift
index 8af869e0..ca812481 100644
--- a/cmuxTests/CmuxWebViewKeyEquivalentTests.swift
+++ b/cmuxTests/CmuxWebViewKeyEquivalentTests.swift
@@ -149,6 +149,42 @@ final class CmuxWebViewKeyEquivalentTests: XCTestCase {
         XCTAssertTrue(spy.invoked)
     }
 
+    func testReturnDoesNotRouteToMainMenuWhenWebViewIsFirstResponder() {
+        let spy = ActionSpy()
+        installMenu(spy: spy, key: "\r", modifiers: [])
+
+        let webView = CmuxWebView(frame: .zero, configuration: WKWebViewConfiguration())
+        let event = makeKeyDownEvent(key: "\r", modifiers: [], keyCode: 36) // kVK_Return
+        XCTAssertNotNil(event)
+
+        XCTAssertFalse(webView.performKeyEquivalent(with: event!))
+        XCTAssertFalse(spy.invoked)
+    }
+
+    func testCmdReturnDoesNotRouteToMainMenuWhenWebViewIsFirstResponder() {
+        let spy = ActionSpy()
+        installMenu(spy: spy, key: "\r", modifiers: [.command])
+
+        let webView = CmuxWebView(frame: .zero, configuration: WKWebViewConfiguration())
+        let event = makeKeyDownEvent(key: "\r", modifiers: [.command], keyCode: 36) // kVK_Return
+        XCTAssertNotNil(event)
+
+        XCTAssertFalse(webView.performKeyEquivalent(with: event!))
+        XCTAssertFalse(spy.invoked)
+    }
+
+    func testKeypadEnterDoesNotRouteToMainMenuWhenWebViewIsFirstResponder() {
+        let spy = ActionSpy()
+        installMenu(spy: spy, key: "\r", modifiers: [])
+
+        let webView = CmuxWebView(frame: .zero, configuration: WKWebViewConfiguration())
+        let event = makeKeyDownEvent(key: "\r", modifiers: [], keyCode: 76) // kVK_ANSI_KeypadEnter
+        XCTAssertNotNil(event)
+
+        XCTAssertFalse(webView.performKeyEquivalent(with: event!))
+        XCTAssertFalse(spy.invoked)
+    }
+
     @MainActor
     func testCanBlockFirstResponderAcquisitionWhenPaneIsUnfocused() {
         _ = NSApplication.shared