From 69e16e901994842a441de8c0544c6ca06d66e07c Mon Sep 17 00:00:00 2001
From: Liubomyr Vyhovskyi <lvyhovskyy@n-ix.com>
Date: Mon, 15 Jun 2026 17:18:57 +0300
Subject: [PATCH 1/2] fix: #19212

---
 packages/primeng/src/tabs/tab.ts | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/packages/primeng/src/tabs/tab.ts b/packages/primeng/src/tabs/tab.ts
index 6cff7b93135..62fc177c132 100644
--- a/packages/primeng/src/tabs/tab.ts
+++ b/packages/primeng/src/tabs/tab.ts
@@ -97,39 +97,44 @@ export class Tab extends BaseComponent<TabPassThrough> {
         switch (event.code) {
             case 'ArrowRight':
                 this.onArrowRightKey(event);
+                event.stopPropagation();
                 break;
 
             case 'ArrowLeft':
                 this.onArrowLeftKey(event);
+                event.stopPropagation();
                 break;
 
             case 'Home':
                 this.onHomeKey(event);
+                event.stopPropagation();
                 break;
 
             case 'End':
                 this.onEndKey(event);
+                event.stopPropagation();
                 break;
 
             case 'PageDown':
                 this.onPageDownKey(event);
+                event.stopPropagation();
                 break;
 
             case 'PageUp':
                 this.onPageUpKey(event);
+                event.stopPropagation();
                 break;
 
             case 'Enter':
             case 'NumpadEnter':
             case 'Space':
                 this.onEnterKey(event);
+                event.stopPropagation();
                 break;
 
             default:
                 break;
         }
-
-        event.stopPropagation();
     }
 
     onAfterViewInit(): void {

From 30c46ec803a6172867de07f1448375b81c123655 Mon Sep 17 00:00:00 2001
From: Liubomyr Vyhovskyi <lvyhovskyy@n-ix.com>
Date: Mon, 15 Jun 2026 17:23:20 +0300
Subject: [PATCH 2/2] test: add coverage for #19212 keydown propagation

---
 packages/primeng/src/tabs/tabs.spec.ts | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/packages/primeng/src/tabs/tabs.spec.ts b/packages/primeng/src/tabs/tabs.spec.ts
index e13b65f1669..02f2d6cfc03 100644
--- a/packages/primeng/src/tabs/tabs.spec.ts
+++ b/packages/primeng/src/tabs/tabs.spec.ts
@@ -500,6 +500,28 @@ describe('Tabs', () => {
             expect(component.value).toBe(2);
         });
 
+        it('should stop propagation for handled keys', () => {
+            const rightArrowEvent = new KeyboardEvent('keydown', { code: 'ArrowRight' });
+            spyOn(rightArrowEvent, 'stopPropagation');
+
+            tabs[0].nativeElement.dispatchEvent(rightArrowEvent);
+            fixture.detectChanges();
+
+            expect(rightArrowEvent.stopPropagation).toHaveBeenCalled();
+        });
+
+        it('should not stop propagation for unhandled keys like Escape', () => {
+            const escapeEvent = new KeyboardEvent('keydown', { code: 'Escape' });
+            spyOn(escapeEvent, 'stopPropagation');
+            spyOn(escapeEvent, 'preventDefault');
+
+            tabs[0].nativeElement.dispatchEvent(escapeEvent);
+            fixture.detectChanges();
+
+            expect(escapeEvent.stopPropagation).not.toHaveBeenCalled();
+            expect(escapeEvent.preventDefault).not.toHaveBeenCalled();
+        });
+
         it('should skip disabled tabs in navigation', async () => {
             component.tab3Disabled = true;
             fixture.changeDetectorRef.markForCheck();