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Vulnerabilities

Vulnerability · CVE-2026-105922

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

Published Oct 6, 2026 · catalog updated Oct 18, 2026 · A security flaw has

Open the advisory

Exploitation likelihood is not on this record for CVE-2026-105922. A missing EPSS score is not a low risk. Compare A security flaw has with the linked advisory before you change production.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (A security flaw has).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
  • EPSS is missing. A missing score is not a low risk.
Severity
Unknown—
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
Awaiting synchronization with FIRST
Remediation
Advisory link
Affected products
PyPI vllm

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • PyPI vllm0 → 0.32.0

How to fix CVE-2026-105922

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

Exploitation likelihood is not on this record for CVE-2026-105922. A missing EPSS score is not a low risk. Compare A security flaw has with the linked advisory before you change production.

Which versions are affected?

Compare what you have installed with 0 → 0.32.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS is not on this record yet. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 6, 2026 · OpenSSF OSV / OSV Scanner

    Detected

    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

  2. Oct 18, 2026 · OpenSSF OSV / OSV Scanner

    Fix available

    vllm fixed in 0.32.0

  3. Oct 18, 2026 · OpenSSF OSV / OSV Scanner

    Fix available

    vllm fixed in 0.32.0

  4. Oct 18, 2026 · OpenSSF OSV / OSV Scanner

    Updated

    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

Sources

  • CVE.orgVulnerability recordCVE-2026-105922

    Official CVE identifier

    cve.org
  • OpenSSF OSV / OSV ScannerPackage advisoryPYSEC-2026-4319
    osv.dev
  • PyPA Advisory DatabasePackage advisoryPYSEC-2026-4319

    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 exploita

    osv.dev

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.