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.

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact Low

User Interaction None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact Low

User Interaction None

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
vllm-project vLLM affected
Version Status Constraints
0.1 affected —
0.2 affected —
0.3 affected —
0.4 affected —
0.5 affected —
0.6 affected —
0.7 affected —
0.8 affected —
0.9 affected —
0.10 affected —
0.11 affected —
0.12 affected —
0.13 affected —
0.14 affected —
0.15 affected —
0.16 affected —
0.17 affected —
0.18 affected —
0.19 affected —
0.20 affected —
0.21 affected —
0.22 affected —
0.23 affected —
0.24 affected —
0.25 affected —
0.26 affected —
0.27 affected —
0.28 affected —
0.29 affected —
0.30 affected —
0.31.0 affected —

No data.

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Project Subscriptions

Vendors Products
Vllm-project Subscribe
Vllm Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://gist.github.com/Yunzez/5c70a3bb328eaf6d646b9d31e879dc4a#file-repro_prompt_embeds_penalties_engine_crash-py cve-icon cve-icon
https://github.com/vllm-project/vllm/ cve-icon cve-icon
https://github.com/vllm-project/vllm/issues/57719 cve-icon cve-icon
https://vuldb.com/cve/CVE-2026-105922 cve-icon cve-icon
https://vuldb.com/submit/992707 cve-icon cve-icon
https://vuldb.com/vuln/413896 cve-icon cve-icon
https://vuldb.com/vuln/413896/cti cve-icon cve-icon
History

Tue, 06 Oct 2026 15:00:00 +0000

Type Values Removed Values Added
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.
Title vllm-project vLLM Penalty utils.py get_token_bin_counts_and_mask denial of service
First Time appeared Vllm-project
Vllm-project vllm
Weaknesses CWE-404
CPEs cpe:2.3:a:vllm-project:vllm:*:*:*:*:*:*:*:*
Vendors & Products Vllm-project
Vllm-project vllm
References
Metrics cvssV2_0

{'score': 4, 'vector': 'AV:N/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:C'}

cvssV3_0

{'score': 4.3, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:C'}

cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:C'}

cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-10-06T14:45:15.075Z

Reserved: 2026-10-06T05:52:18.134Z

Link: CVE-2026-105922

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-06T15:17:17.727

Modified: 2026-10-06T15:19:48.933

Link: CVE-2026-105922

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses