From 2dc5a72e7e4e012653a0effda493222c85836bc6 Mon Sep 17 00:00:00 2001
From: Guan-Ming Chiu <105915352+guan404ming@users.noreply.github.com>
Date: Wed, 22 Jul 2026 22:11:24 +0800
Subject: [PATCH] [Bugfix][Renderer] Rebuild vision chunk UUIDs in async render
 path (#49400)

Signed-off-by: Guan-Ming (Wesley) Chiu <105915352+guan404ming@users.noreply.github.com>
---
 vllm/renderers/hf.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/vllm/renderers/hf.py b/vllm/renderers/hf.py
index a7a6693154b..55e8de7beaa 100644
--- a/vllm/renderers/hf.py
+++ b/vllm/renderers/hf.py
@@ -1122,6 +1122,8 @@ class HfRenderer(BaseRenderer[HfTokenizer]):
             and mm_uuids is not None
             and mm_data is not None
         ):
+            mm_uuids = rebuild_mm_uuids_from_mm_data(mm_uuids, mm_data)
+
             # get video placeholder, replace it with runtime video-chunk prompts
             video_placeholder = getattr(
                 model_config.hf_config, "video_placeholder", None