{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unknown",
          "modules": [
            "Frontend (FE) meta service"
          ],
          "product": "Apache Doris",
          "programFiles": [
            "fe/fe-core/src/main/java/org/apache/doris/httpv2/meta/MetaService.java"
          ],
          "vendor": "Apache Software Foundation",
          "versions": [
            {
              "lessThan": "4.0.8",
              "status": "affected",
              "version": "2.0.0",
              "versionType": "semver"
            },
            {
              "lessThan": "4.1.4",
              "status": "affected",
              "version": "4.1.0",
              "versionType": "semver"
            },
            {
              "lessThan": "2.0.0",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThan": "4.1.0",
              "status": "unaffected",
              "version": "4.0.8",
              "versionType": "semver"
            },
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "4.1.4",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "Mapta / BugBunny_ai"
        },
        {
          "lang": "en",
          "type": "reporter",
          "value": "Calvin Kirs, Security Researcher at SelectDB"
        },
        {
          "lang": "en",
          "type": "reporter",
          "value": "Vlary (Huntree Security Team)"
        },
        {
          "lang": "en",
          "type": "reporter",
          "value": "Vladimir Tokarev (g1nd1l4)"
        },
        {
          "lang": "en",
          "type": "reporter",
          "value": "lalalala5678"
        },
        {
          "lang": "en",
          "type": "reporter",
          "value": "4ra2n (A code security AI agent)"
        },
        {
          "lang": "en",
          "type": "reporter",
          "value": "Fakile Emmanuel"
        },
        {
          "lang": "en",
          "type": "reporter",
          "value": "Fried Chicken"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "An Improper Authentication vulnerability in the Apache Doris Frontend (FE) meta service allows an unauthenticated remote attacker to access internal metadata service endpoints.<br><br><p><span>The affected endpoints relied on client-supplied node information for authentication without providing sufficient authentication of the requesting party. Under certain network configurations, a remote attacker may be able to bypass the intended access control and access internal FE metadata interfaces, potentially exposing sensitive cluster information.</span></p><p><span>This issue affects Apache Doris: from 2.0.0 through 2.0.*, from 2.1.0 through 2.1.*, from 3.0.0 through 3.0.*, from 3.1.0 through 3.1.*, from 4.0.0 before 4.0.8, and from 4.1.0 before 4.1.4. Versions 1.2.x and earlier are not affected by this header-trust vulnerability.</span><br></p><p>Users are recommended to upgrade to a fixed release (4.0.8 or 4.1.4), which fixes the issue.</p>"
            }
          ],
          "value": "An Improper Authentication vulnerability in the Apache Doris Frontend (FE) meta service allows an unauthenticated remote attacker to access internal metadata service endpoints.\n\n\n\nThe affected endpoints relied on client-supplied node information for authentication without providing sufficient authentication of the requesting party. Under certain network configurations, a remote attacker may be able to bypass the intended access control and access internal FE metadata interfaces, potentially exposing sensitive cluster information.\n\n\n\nThis issue affects Apache Doris: from 2.0.0 through 2.0.*, from 2.1.0 through 2.1.*, from 3.0.0 through 3.0.*, from 3.1.0 through 3.1.*, from 4.0.0 before 4.0.8, and from 4.1.0 before 4.1.4. Versions 1.2.x and earlier are not affected by this header-trust vulnerability.\n\n\n\n\nUsers are recommended to upgrade to a fixed release (4.0.8 or 4.1.4), which fixes the issue."
        }
      ],
      "metrics": [
        {
          "other": {
            "content": {
              "text": "important"
            },
            "type": "Textual description of severity"
          },
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        },
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-287",
              "description": "CWE-287: Improper Authentication",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09"
      },
      "references": [
        {
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://lists.apache.org/thread/rf4ocqmzxvnwnxpsooj2lkzjl68b1m9q"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Improper Authentication Allows Unauthorized Access to FE Meta Service",
      "x_generator": {
        "engine": "Vulnogram 1.0.3"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
    "cveId": "CVE-2026-31377",
    "serial": 1,
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.0"
}