CVE-2026-92365 (GCVE-0-2026-92365)

Vulnerability from cvelistv5 – Published: 2026-09-16 14:00 – Updated: 2026-09-22 15:45
VLAI
Title
vllm-project vllm thinking_budget_state.py algorithmic complexity
Summary
A vulnerability was found in vllm-project vllm up to 0.29.0. Affected by this issue is some unknown functionality of the file vllm/v1/sample/thinking_budget_state.py. The manipulation results in inefficient algorithmic complexity. It is possible to launch the attack remotely. The pull request to fix this issue awaits acceptance.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-22 15:06 UTC
CWE
  • CWE-407 - Inefficient Algorithmic Complexity
  • CWE-404 - Denial of Service
Assigner
VulDB CNA under the mitre root
CNA scorecard B 82/100 over 3914 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
vllm-project vllm Affected: 0.1
Affected: 0.2
Affected: 0.3
Affected: 0.4
Affected: 0.5
Affected: 0.6
Affected: 0.7
Affected: 0.8
Affected: 0.9
Affected: 0.10
Affected: 0.11
Affected: 0.12
Affected: 0.13
Affected: 0.14
Affected: 0.15
Affected: 0.16
Affected: 0.17
Affected: 0.18
Affected: 0.19
Affected: 0.20
Affected: 0.21
Affected: 0.22
Affected: 0.23
Affected: 0.24
Affected: 0.25
Affected: 0.26
Affected: 0.27
Affected: 0.28
Affected: 0.29.0
    cpe:2.3:a:vllm-project:vllm:*:*:*:*:*:*:*:*
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                  "version": "0.25"
                },
                {
                  "status": "affected",
                  "version": "0.26"
                },
                {
                  "status": "affected",
                  "version": "0.27"
                },
                {
                  "status": "affected",
                  "version": "0.28"
                },
                {
                  "status": "affected",
                  "version": "0.29.0"
                }
              ]
            }
          ],
          "credits": [
            {
              "lang": "en",
              "type": "reporter",
              "value": "JPengLi (VulDB User)"
            },
            {
              "lang": "en",
              "type": "coordinator",
              "value": "VulDB CNA Team"
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "A vulnerability was found in vllm-project vllm up to 0.29.0. Affected by this issue is some unknown functionality of the file vllm/v1/sample/thinking_budget_state.py. The manipulation results in inefficient algorithmic complexity. It is possible to launch the attack remotely. The pull request to fix this issue awaits acceptance."
            }
          ],
          "metrics": [
            {
              "cvssV4_0": {
                "baseScore": 5.3,
                "baseSeverity": "MEDIUM",
                "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X",
                "version": "4.0"
              }
            },
            {
              "cvssV3_1": {
                "baseScore": 4.3,
                "baseSeverity": "MEDIUM",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:X/RL:X/RC:R",
                "version": "3.1"
              }
            },
            {
              "cvssV3_0": {
                "baseScore": 4.3,
                "baseSeverity": "MEDIUM",
                "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:X/RL:X/RC:R",
                "version": "3.0"
              }
            },
            {
              "cvssV2_0": {
                "baseScore": 4,
                "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P/E:ND/RL:ND/RC:UR",
                "version": "2.0"
              }
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-407",
                  "description": "Inefficient Algorithmic Complexity",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            },
            {
              "descriptions": [
                {
                  "cweId": "CWE-404",
                  "description": "Denial of Service",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-09-16T14:00:08.954Z",
            "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
            "shortName": "VulDB"
          },
          "references": [
            {
              "name": "VDB-405451 | vllm-project vllm thinking_budget_state.py algorithmic complexity",
              "tags": [
                "vdb-entry"
              ],
              "url": "https://vuldb.com/vuln/405451"
            },
            {
              "name": "VDB-405451 | CTI Indicators (IOB, IOC, TTP, IOA)",
              "tags": [
                "signature",
                "permissions-required"
              ],
              "url": "https://vuldb.com/vuln/405451/cti"
            },
            {
              "name": "CVE-2026-92365 | CVE Analysis and Report",
              "tags": [
                "third-party-advisory"
              ],
              "url": "https://vuldb.com/cve/CVE-2026-92365"
            },
            {
              "name": "Submit #935016 | vLLM Project vLLM \u003e=0.26.0 Inefficient Algorithmic Complexity",
              "tags": [
                "third-party-advisory"
              ],
              "url": "https://vuldb.com/submit/935016"
            },
            {
              "tags": [
                "issue-tracking",
                "patch"
              ],
              "url": "https://github.com/vllm-project/vllm/pull/51133"
            },
            {
              "tags": [
                "product"
              ],
              "url": "https://github.com/vllm-project/vllm/"
            }
          ],
          "timeline": [
            {
              "lang": "en",
              "time": "2026-09-16T00:00:00.000Z",
              "value": "Advisory disclosed"
            },
            {
              "lang": "en",
              "time": "2026-09-16T02:00:00.000Z",
              "value": "VulDB entry created"
            },
            {
              "lang": "en",
              "time": "2026-09-16T07:54:08.000Z",
              "value": "VulDB entry last update"
            }
          ],
          "title": "vllm-project vllm thinking_budget_state.py algorithmic complexity",
          "x_generator": [
            "VulDB PVTS v202609"
          ]
        }
      },
      "cveMetadata": {
        "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "assignerShortName": "VulDB",
        "cveId": "CVE-2026-92365",
        "datePublished": "2026-09-16T14:00:08.954Z",
        "dateReserved": "2026-09-16T05:49:03.374Z",
        "dateUpdated": "2026-09-22T15:45:36.799Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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