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CVE-2026-22778

Vllm remote code execution

9.8 CRITICALEPSS 11.2%
  1. Published2 Feb 2026

Description

vLLM is an inference and serving engine for large language models (LLMs). From 0.8.3 to before 0.14.1, when an invalid image is sent to vLLM's multimodal endpoint, PIL throws an error. vLLM returns this error to the client, leaking a heap address. With this leak, we reduce ASLR from 4 billion guesses to ~8 guesses. This vulnerability can be chained a heap overflow with JPEG2000 decoder in OpenCV/FFmpeg to achieve remote code execution. This vulnerability is fixed in 0.14.1.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Vllm≥ 0.8.3 < 0.14.1

Remediation

Fixed in
Vllm≥ 0.14.1

References

and 5 more references

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Frequently asked

Is CVE-2026-22778 being actively exploited?

CVE-2026-22778 is not in the CISA KEV catalog. Its EPSS exploit probability is 11.2%.

How severe is CVE-2026-22778?

CVE-2026-22778 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 11.2% probability of exploitation.

Which products are affected by CVE-2026-22778?

Affected products include Vllm.

How do I fix CVE-2026-22778?

Upgrade affected software to a fixed version, for example Vllm 0.14.1 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-22778 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.