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CVE-2026-105922

4.3 · MEDIUM

A security flaw has been discovered in vllm-project vLLM up to 0.31.0.

Published Oct 6, 2026vllmCWE-404EPSS 0.31%

Overview

CVE-2026-105922 is a medium-severity vulnerability affecting vllm vllm. It was published on October 6, 2026 and has a CVSS 3.1 base score of 4.3 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

A security flaw has been discovered in vllm-project vLLM up to 0.31.0. This impacts the function get_token_bin_counts_and_mask of the file vllm/model_executor/layers/utils.py of the component Penalty Handler. Performing a manipulation results in denial of service. Remote exploitation of the attack is possible. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.

Remediation

Check the references section for vendor advisories and patches from vllm. Update vllm to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
vllmvllm0Affected

References

GitHubgist.github.com/Yunzez/5c70a3bb328eaf6d646b9d31e879dc4a#file-repro_prompt_embeds_penalties_engine_crash-pyGitHubgithub.com/vllm-project/vllm/GitHubgithub.com/vllm-project/vllm/issues/57719Refvuldb.com/cve/CVE-2026-105922Refvuldb.com/submit/992707Refvuldb.com/vuln/413896Refvuldb.com/vuln/413896/cti

How CyberStrike helps

Frequently asked questions

What is CVE-2026-105922?

CVE-2026-105922 is a medium-severity vulnerability affecting vllm vllm. It was published on October 6, 2026 and has a CVSS 3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2026-105922?

This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-105922?

Check the references section for vendor advisories and patches from vllm. Update vllm to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-105922?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-105922 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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