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Vulnerabilities

Vulnerability · CVE-2026-22778

vLLM is an inference and serving engine for large language models (LLMs).

Published Feb 2, 2026 · catalog updated Jul 15, 2026 · vLLM is an inference

Last checked Nov 7, 2026. A connected source was read within the last 7 days.

Check this week

CVE-2026-22778 is not in CISA KEV. FIRST estimates a 18.29% chance of exploitation in the next 30 days. Check whether you run vLLM is an inference.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (vLLM is an inference).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Critical9.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
18.29%
Remediation
Version ranges on file
Affected products
vendor vllm-project vllm 0.8.3, < 0.14.1

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor vllm-project vllm 0.8.3, < 0.14.10.8.3, < 0.14.1

How to fix CVE-2026-22778

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2026-22778 is not in CISA KEV. FIRST estimates a 18.29% chance of exploitation in the next 30 days. Check whether you run vLLM is an inference.

Which versions are affected?

Compare what you have installed with vllm-project vllm 0.8.3, < 0.14.1 0.8.3, < 0.14.1. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 18.29%. There is no CISA KEV listing. A public exploit reference is linked in Sources. That is not the same as confirmed exploitation. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Feb 2, 2026 · EUVD

    Detected

    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/F

  2. Jul 15, 2026 · EUVD

    Updated

    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/F

Sources

  • CVE.orgVulnerability recordCVE-2026-22778

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-22778

    30-day exploitation probability 18.29%

    first.org
  • EUVDVulnerability recordEUVD-2026-5277

    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 f

    euvd.enisa.europa.eu
  • Metasploit ModulesPublic exploit moduleauxiliary_scanner/http/vllm_multimodal_info_leak

    Public module reference (normal). Module source is not copied into this catalog.

    rapid7.com
  • urlscan.ioThreat intelligenceCVE-2026-22778
    urlscan.io

References

Freshness

Last verified in this catalog Nov 5, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • urlscan.ioNov 7, 2026
  • Metasploit ModulesNov 7, 2026
  • FIRST EPSSNov 5, 2026
  • CVE.orgNov 4, 2026
  • EUVDNov 2, 2026