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CVE-2026-115915

vLLM is an inference and serving engine for large language models

Risk score
54/100
CVSS
8.1 v3.1
Published
26 Oct 2026

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What to know

What it is
vLLM is an inference and serving engine for large language models. Prior to 0.32.0, ImageMediaIO passes attacker-controlled image bytes to Pillow through Image.open(BytesIO(data)) without restricting decoder selection, and the MIME label does not constrain the selected format. Image-capable request paths through parse…
Affected
See advisory
Fix
Upgrade the product to 0.32.0 or later.
Exploitation
No known exploitation

Why it is Yellow

  • CVSS 8.1 high
  • Remotely exploitable without logging in

References

Original description

vLLM is an inference and serving engine for large language models. Prior to 0.32.0, ImageMediaIO passes attacker-controlled image bytes to Pillow through Image.open(BytesIO(data)) without restricting decoder selection, and the MIME label does not constrain the selected format. Image-capable request paths through parse_image() and fetch_image() can therefore dispatch an EPS payload to host components. A host with Ghostscript affected by CVE-2024-29510 can execute commands with the vLLM process's privileges, while environments using Pillow 12.0.0 through 12.2.0 can trigger CVE-2026-59203 and exhaust media-loading workers. Deployments without the applicable vulnerable dependency are not affected by that corresponding impact. This issue is fixed in version 0.32.0.

Last activity 26 Oct 2026. Patch Forecast updates every hour.