Vulnerability in Vllm-Project Vllm
CVE-2026-105922
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Vllm-Project Vllm — versions 0.1, 0.10, 0.11
Weakness classification (CWE)
References
- vuldb.com/vuln/413896 (technical-description, vdb-entry)
- vuldb.com/vuln/413896/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-105922 (third-party-advisory)
- vuldb.com/submit/992707 (third-party-advisory)
- github.com/vllm-project/vllm/issues/57719 (issue-tracking)
- gist.github.com/Yunzez/5c70a3bb328eaf6d646b9d31e879dc4a (exploit)
- github.com/vllm-project/vllm/ (product)
Frequently asked questions
- What is CVE-2026-105922?
- CVE-2026-105922 is a medium-severity vulnerability in Vllm-Project Vllm, classified under Improper Resource Shutdown or Release. CVSS score: 4.3/10. Published 2026-10-06.
- How severe is CVE-2026-105922?
- Medium severity. CVSS v3 base score is 4.3 out of 10.