PatchTheCVECVE-2026-105922: A security flaw has been discovered in vllm-project vLLM up to 0.31.0
CVE-2026-105922 is a medium-severity flaw (CVSS 4.3) affecting vllm. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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 re
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 4.3 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.3% (top 76%) |
| CISA exploited list | No |
| Weakness | CWE-404 |
| Published | 2026-10-06 |
| Last modified | 2026-10-09 |
Last updated 2026-10-09 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-105922?
vllm: upgrade to newer than 0.31.0. Exact commands for each OS are on this page.
Is CVE-2026-105922 being exploited?
CVE-2026-105922 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-105922 affect?
CVE-2026-105922 affects vllm. Severity is medium (CVSS 4.3). 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 resul
How urgent is CVE-2026-105922?
Priority 21/100. No elevated risk signals yet.
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