What is CVE-2026-12491?

CVE-2026-12491 is a medium-severity vulnerability in Vllm-project Vllm, classified under CWE-115. CVSS score: 4.8/10. Published 2026-06-17.

How severe is CVE-2026-12491?

Medium severity. CVSS v3 base score is 4.8 out of 10.

Vulnerability in Vllm-project Vllm

CVE-2026-12491

A flaw was found in vLLM, an open-source library for large language model inference. This vulnerability arises from improper handling of image metadata, specifically EXIF orientation and PNG transparency (tRNS) data, during image processin…

EPSS: 0.002 (15.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L.

Affected products

Vllm-project Vllm — versions 0.11.0
Red Hat Ai Inference Server
Red Hat Enterprise Linux Ai (Rhel Ai) 3
Red Hat Openshift Ai (Rhoai)

Weakness classification (CWE)

CWE-115

References

secalert@redhat.com (x_refsource_REDHAT, vdb-entry)
secalert@redhat.com (x_refsource_REDHAT, issue-tracking)

Frequently asked questions

What is CVE-2026-12491?: CVE-2026-12491 is a medium-severity vulnerability in Vllm-project Vllm, classified under CWE-115. CVSS score: 4.8/10. Published 2026-06-17.
How severe is CVE-2026-12491?: Medium severity. CVSS v3 base score is 4.8 out of 10.