vLLM: Public multimodal SHM handle forgery reaches worker-side `pickle.loads()` with insecure serialization disabled

影響: pip:vllm < 0.32.0 → 0.32.0

Affected - Ecosystem / package: pip / vllm - Affected versions: vLLM MultiModalKwargsItem: assert mm_item is not None, f"Expected an address item for {mm_hash=}" if "address" in mm_item: address = cast(int, mm_item["address"].data) monotonic_id = cast(int, mm_item["monotonic_id"].data) return self._shm_cache.get(address, monotonic_id) return mm_item The dereference lands in the SHM deserializer, which pickle.loads() any chunk tagged as bytes — so attacker bytes staged in the ring buffer are unp…

Read on GitHub Advisory Database

On 10/29/2026, 06:15 AM, GitHub Advisory Database published "vLLM: Public multimodal SHM handle forgery reaches worker-side `pickle.loads()` with insecure serialization disabled" (type: Advisory). Severity is "High" (high). Related technologies: Python. CVE: CVE-2026-115912.