{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-31377", "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "state": "PUBLISHED", "assignerShortName": "apache", "dateReserved": "2026-03-09T05:56:59.960Z", "datePublished": "2026-09-23T09:04:56.122Z", "dateUpdated": "2026-09-23T09:04:56.122Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "shortName": "apache", "dateUpdated": "2026-09-23T09:04:56.122Z"}, "title": "Apache Doris: Improper Authentication Allows Unauthorized Access to FE Meta Service", "problemTypes": [{"descriptions": [{"description": "CWE-287: Improper Authentication", "lang": "en", "cweId": "CWE-287", "type": "CWE"}]}], "source": {"discovery": "UNKNOWN"}, "affected": [{"vendor": "Apache Software Foundation", "product": "Apache Doris", "modules": ["Frontend (FE) meta service"], "programFiles": ["fe/fe-core/src/main/java/org/apache/doris/httpv2/meta/MetaService.java"], "versions": [{"status": "affected", "version": "2.0.0", "lessThan": "4.0.8", "versionType": "semver"}, {"status": "affected", "version": "4.1.0", "lessThan": "4.1.4", "versionType": "semver"}, {"status": "unaffected", "version": "0", "lessThan": "2.0.0", "versionType": "semver"}, {"status": "unaffected", "version": "4.0.8", "lessThan": "4.1.0", "versionType": "semver"}, {"status": "unaffected", "version": "4.1.4", "lessThan": "*", "versionType": "semver"}], "defaultStatus": "unknown"}], "descriptions": [{"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.", "lang": "en", "supportingMedia": [{"type": "text/html", "base64": false, "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>"}]}], "references": [{"url": "https://lists.apache.org/thread/rf4ocqmzxvnwnxpsooj2lkzjl68b1m9q", "tags": ["vendor-advisory"]}], "metrics": [{"other": {"type": "Textual description of severity", "content": {"text": "important"}}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}, {"scenarios": [{"lang": "en", "value": "GENERAL"}], "format": "CVSS", "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE", "baseSeverity": "HIGH", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"}}], "credits": [{"lang": "en", "value": "Mapta / BugBunny_ai", "type": "reporter"}, {"lang": "en", "value": "Calvin Kirs, Security Researcher at SelectDB", "type": "reporter"}, {"lang": "en", "value": "Vlary (Huntree Security Team)", "type": "reporter"}, {"lang": "en", "value": "Vladimir Tokarev (g1nd1l4)", "type": "reporter"}, {"lang": "en", "value": "lalalala5678", "type": "reporter"}, {"lang": "en", "value": "4ra2n (A code security AI agent)", "type": "reporter"}, {"lang": "en", "value": "Fakile Emmanuel", "type": "reporter"}, {"lang": "en", "value": "Fried Chicken", "type": "reporter"}], "x_generator": {"engine": "Vulnogram 1.0.3"}}}}

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{"affected": [{"affectedData": [{"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"}]}], "source": "security@apache.org"}], "cveTags": [], "descriptions": [{"lang": "en", "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."}], "id": "CVE-2026-31377", "lastModified": "2026-09-23T09:17:08.380", "metrics": {"cvssMetricV31": [{"cvssData": {"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"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "security@apache.org", "type": "Secondary"}]}, "published": "2026-09-23T09:17:08.380", "references": [{"source": "security@apache.org", "url": "https://lists.apache.org/thread/rf4ocqmzxvnwnxpsooj2lkzjl68b1m9q"}], "sourceIdentifier": "security@apache.org", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-287"}], "source": "security@apache.org", "type": "Primary"}]}

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