CVE-2026-129356

Source
https://cve.org/CVERecord?id=CVE-2026-129356
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-129356.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-129356
Published
2026-11-15T01:15:24Z
Modified
2026-11-15T10:45:21Z
Severity
  • 1.3 (Low) CVSS_V4 - CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P CVSS Calculator
Summary
vllm-project vllm Common Prefix single_type_kv_cache_manager.py race condition
Details

A vulnerability was found in vllm-project vllm 0.30.0/0.31.0. This vulnerability affects unknown code of the file single_type_kv_cache_manager.py of the component Common Prefix Handler. The manipulation results in race condition. The attack may be performed from remote. Attacks of this nature are highly complex. It is stated that the exploitability is difficult. The exploit has been made public and could be used. Upgrading to version 0.32.0 is able to resolve this issue. The patch is identified as e687a251bb056fa527846633f7a1b0a6c0f42374. You should upgrade the affected component.

Database specific
{
    "cna_assigner": "VulDB",
    "cwe_ids": [
        "CWE-362"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/129xxx/CVE-2026-129356.json"
}
References

Affected packages

Git / github.com/vllm-project/vllm

Affected ranges

Type
GIT
Repo
https://github.com/vllm-project/vllm
Events
Database specific
Show details
{
    "extracted_events": [
        {
            "range": [
                {
                    "introduced": "0.30.0"
                },
                {
                    "last_affected": "0.30.0"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandaloneSingleVersion"
        },
        {
            "range": [
                {
                    "introduced": "0.31.0"
                },
                {
                    "last_affected": "0.31.0"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandaloneSingleVersion"
        },
        {
            "range": [
                {
                    "fixed": "e687a251bb056fa527846633f7a1b0a6c0f42374"
                }
            ],
            "source": "REFERENCES_COMMIT"
        },
        {
            "original_tag": "v0.32.0",
            "range": [
                {
                    "fixed": "5df63a7203cdb9328d824a27b682e77c7b9928be"
                }
            ],
            "source": "REFERENCES_TAG"
        }
    ]
}

Affected versions

0.*
0.30.0
0.31.0

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-129356.json"