CVE-2026-105922vllm-project vLLM Penalty utils.py get_token_bin_counts_and_mask denial of service
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 4.3 MEDIUM (v3.1, CNA)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
- Weakness (CWE)
- CWE-404
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulDB
- NVD analysis
- Analyzed
- Record last updated
- Oct 6, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
vllm-project vLLM vllm-project:vllm | 0.1; 0.2; 0.3; 0.4; 0.5; 0.6; 0.7; 0.8; and 23 more ranges | CNA record |
vllm vllm vllm:vllm | through 0.31.0 | NVD |
References
- https://vuldb.com/vuln/413896vdb-entry, technical-description, third-party-advisory
- https://vuldb.com/vuln/413896/ctisignature, permissions-required
- https://vuldb.com/cve/CVE-2026-105922third-party-advisory
- https://vuldb.com/submit/992707third-party-advisory
- https://github.com/vllm-project/vllm/issues/57719issue-tracking
- https://gist.github.com/Yunzez/5c70a3bb328eaf6d646b9d31e879dc4a#file-repro_prompt_embeds_penalties_engine_crash-pyexploit, third-party-advisory
- https://github.com/vllm-project/vllm/product
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.