{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "0.5.1"
                  },
                  {
                    "last_affected": "0.5.1"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandaloneSingleVersion"
              },
              {
                "range": [
                  {
                    "introduced": "0.5.2"
                  },
                  {
                    "last_affected": "0.5.2"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandaloneSingleVersion"
              },
              {
                "range": [
                  {
                    "introduced": "0.5.3"
                  },
                  {
                    "last_affected": "0.5.3"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandaloneSingleVersion"
              },
              {
                "range": [
                  {
                    "introduced": "0.5.4"
                  },
                  {
                    "last_affected": "0.5.4"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandaloneSingleVersion"
              },
              {
                "range": [
                  {
                    "introduced": "0.5.5"
                  },
                  {
                    "last_affected": "0.5.5"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandaloneSingleVersion"
              },
              {
                "range": [
                  {
                    "introduced": "0.5.6"
                  },
                  {
                    "last_affected": "0.5.6"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandaloneSingleVersion"
              },
              {
                "range": [
                  {
                    "introduced": "0.5.7"
                  },
                  {
                    "last_affected": "0.5.7"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandaloneSingleVersion"
              },
              {
                "range": [
                  {
                    "introduced": "0.5.8"
                  },
                  {
                    "last_affected": "0.5.8"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandaloneSingleVersion"
              },
              {
                "range": [
                  {
                    "introduced": "0.5.9"
                  },
                  {
                    "last_affected": "0.5.9"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandaloneSingleVersion"
              },
              {
                "range": [
                  {
                    "introduced": "0.5.10"
                  },
                  {
                    "last_affected": "0.5.10"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandaloneSingleVersion"
              },
              {
                "range": [
                  {
                    "introduced": "0.5.11"
                  },
                  {
                    "last_affected": "0.5.11"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandaloneSingleVersion"
              },
              {
                "range": [
                  {
                    "introduced": "0.5.12"
                  },
                  {
                    "last_affected": "0.5.12"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandaloneSingleVersion"
              },
              {
                "range": [
                  {
                    "introduced": "0.5.13"
                  },
                  {
                    "last_affected": "0.5.13"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandaloneSingleVersion"
              },
              {
                "range": [
                  {
                    "introduced": "0.5.14"
                  },
                  {
                    "last_affected": "0.5.14"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandaloneSingleVersion"
              },
              {
                "range": [
                  {
                    "introduced": "0.5.15"
                  },
                  {
                    "last_affected": "0.5.15"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandaloneSingleVersion"
              },
              {
                "range": [
                  {
                    "introduced": "0.5.16"
                  },
                  {
                    "last_affected": "0.5.16"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandaloneSingleVersion"
              },
              {
                "range": [
                  {
                    "introduced": "0.5.17"
                  },
                  {
                    "last_affected": "0.5.17"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandaloneSingleVersion"
              },
              {
                "range": [
                  {
                    "introduced": "0.5.18"
                  },
                  {
                    "last_affected": "0.5.18"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandaloneSingleVersion"
              },
              {
                "range": [
                  {
                    "introduced": "0.5.19"
                  },
                  {
                    "last_affected": "0.5.19"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandaloneSingleVersion"
              }
            ]
          },
          "events": [
            {
              "introduced": "97a38ee85ba62e268bde6388f1bf8edfe2ca9d76"
            },
            {
              "last_affected": "0bcd822377da7b5718e674eaf9c870d349424dd1"
            }
          ],
          "repo": "https://github.com/sgl-project/sglang",
          "type": "GIT"
        }
      ],
      "versions": [
        "0.5.1",
        "0.5.10",
        "0.5.11",
        "0.5.12",
        "0.5.13",
        "0.5.14",
        "0.5.15",
        "0.5.16",
        "0.5.17",
        "0.5.18",
        "0.5.19",
        "0.5.2",
        "0.5.3",
        "0.5.4",
        "0.5.5",
        "0.5.6",
        "0.5.7",
        "0.5.8",
        "0.5.9"
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulDB",
    "cwe_ids": [
      "CWE-404"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/112xxx/CVE-2026-112083.json",
    "unresolved_ranges": [
      {
        "extracted_events": [
          {
            "range": [
              {
                "introduced": "0.5.0"
              },
              {
                "last_affected": "0.5.0"
              }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandaloneSingleVersion"
          }
        ]
      }
    ]
  },
  "details": "A security flaw has been discovered in sgl-project SGLang up to 0.5.19. Affected is the function WeightExporter.send_weights_to_remote_instance of the file python/sglang/srt/model_executor/model_runner_components/weight_exporter.py of the component Weight Exporter. Performing a manipulation of the argument group_name results in denial of service. The attack can be initiated remotely. The exploit has been released to the public and may be used for attacks. The pull request to fix this issue awaits acceptance.",
  "id": "CVE-2026-112083",
  "modified": "2026-10-21T02:30:52.899085761Z",
  "published": "2026-10-19T05:45:18.578Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/112xxx/CVE-2026-112083.json"
    },
    {
      "type": "WEB",
      "url": "https://github.com/sgl-project/sglang/"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/sgl-project/sglang/issues/42073"
    },
    {
      "type": "FIX",
      "url": "https://github.com/sgl-project/sglang/pull/44314"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-112083"
    },
    {
      "type": "ADVISORY",
      "url": "https://vuldb.com/cve/CVE-2026-112083"
    },
    {
      "type": "ADVISORY",
      "url": "https://vuldb.com/submit/1009919"
    },
    {
      "type": "ADVISORY",
      "url": "https://vuldb.com/vuln/421762"
    },
    {
      "type": "REPORT",
      "url": "https://vuldb.com/vuln/421762/cti"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P",
      "type": "CVSS_V4"
    }
  ],
  "summary": "sgl-project SGLang Weight Exporter weight_exporter.py WeightExporter.send_weights_to_remote_instance denial of service"
}