High severity · published Sep 12, 2026
CVE-2026-90553
vLLM before 0.28.0 Remote Code Execution via LlavaOnevision2 processor
7.8
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 24% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
VL
vLLM · vllm-project
before 0.28.0 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-90553
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-90553
Vendor Advisory
https://github.com/vllm-project/vllm/security/advisories/GHSA-3c86-2m5g-59q7
Third Party Advisory
https://www.vulncheck.com/advisories/vllm-before-0.28.0-remote-code-execution-via-llavaonevision2-processor
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