CVE-2026-90553 vLLM before 0.28.0 Remote Code Execution via LlavaOnevision2 processor

What is CVE-2026-90553?

CVE-2026-90553 is a high-severity code injection vulnerability in Vllm Vllm, published on 12 Sep 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

vLLM before 0.28.0 contains a remote code execution vulnerability in the LlavaOnevision2 processor loader that ignores the trust_remote_code parameter when loading remote processor classes. Attackers can craft a malicious model with arbitrary code in processing_llava_onevision2.py that executes with vLLM process authority even when trust_remote_code is set to False.

Weakness: CWE-94

Which versions are affected by CVE-2026-90553?

1 open source package ship an affected version, including vllm. It affects 1 product.

Products include Vllm Vllm.

How do I fix CVE-2026-90553?

Upgrade vllm to 0.28.0 or later.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2026-90553 being exploited?

There is no known exploitation of CVE-2026-90553 in the wild and no public exploit code.

Other vulnerabilities in Vllm Vllm

• CVE-2025-32444 vLLM Vulnerable to Remote Code Execution via Mooncake Integration Critical 10.0
• CVE-2026-22778 vLLM leaks a heap address when PIL throws an error Critical 9.8
• CVE-2025-47277 vLLM Allows Remote Code Execution via PyNcclPipe Communication Service Critical 9.8
• CVE-2024-11041 Remote Code Execution in vllm-project/vllm Critical 9.8
• CVE-2026-48746 vLLM: OpenAI auth bypass Critical 9.1

All Vllm Vllm vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• GitHub advisory
• How this page is made

Also known as GHSA-3c86-2m5g-59q7, GHSA-rp86-qf3f-pqfc, MINI-gxwf-x3hw-hm8w, MINI-v9m2-x2p6-6h9w, MINI-wh57-mq3m-cw5f, PYSEC-2026-3985.