Is CVE-2026-90553 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-90553?

CVE-2026-90553 has a CVSS v3 severity of HIGH (7.8).

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CVE-2026-90553

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.