CVE-2026-42000

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-42000", "assignerOrgId": "8ce71d90-2354-404b-a86e-bec2cc4e6981", "state": "PUBLISHED", "assignerShortName": "OX", "dateReserved": "2026-04-23T11:15:21.198Z", "datePublished": "2026-05-21T09:25:43.728Z", "dateUpdated": "2026-05-21T12:02:35.449Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "8ce71d90-2354-404b-a86e-bec2cc4e6981", "shortName": "OX", "dateUpdated": "2026-05-21T09:25:43.728Z"}, "title": "Insufficient Validation of Names During AXFR", "datePublic": "2026-05-19T22:00:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "description": "Improper Neutralization of Special Elements used in a Command ('Command Injection')", "type": "CWE"}]}], "affected": [{"vendor": "PowerDNS", "product": "Authoritative", "collectionURL": "https://repo.powerdns.com/", "packageName": "pdns", "repo": "https://github.com/PowerDNS/pdns", "modules": ["BIND Backend"], "programFiles": ["bindbackend2.cc"], "versions": [{"status": "affected", "version": "4.9.0", "lessThan": "4.9.15", "versionType": "semver"}, {"status": "affected", "version": "5.0.0", "lessThan": "5.0.5", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "Insufficient Validation of Names During AXFR", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>Insufficient Validation of Names During AXFR</p>"}]}], "references": [{"url": "https://docs.powerdns.com/authoritative/security-advisories/powerdns-advisory-powerdns-2026-06.html"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "availabilityImpact": "NONE", "baseSeverity": "MEDIUM", "baseScore": 6.8, "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N"}}], "credits": [{"lang": "en", "value": "ilhamaf", "type": "finder"}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.2"}}, "adp": [{"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-77", "lang": "en", "description": "CWE-77 Improper Neutralization of Special Elements used in a Command ('Command Injection')"}]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-05-21T12:01:48.669083Z", "id": "CVE-2026-42000", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-21T12:02:35.449Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-42000", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-05-21T12:01:48.669083Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-77", "description": "CWE-77 Improper Neutralization of Special Elements used in a Command ('Command Injection')"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-21T12:02:05.030Z"}}], "cna": {"title": "Insufficient Validation of Names During AXFR", "source": {"discovery": "UNKNOWN"}, "credits": [{"lang": "en", "type": "finder", "value": "ilhamaf"}], "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.8, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"repo": "https://github.com/PowerDNS/pdns", "vendor": "PowerDNS", "modules": ["BIND Backend"], "product": "Authoritative", "versions": [{"status": "affected", "version": "4.9.0", "lessThan": "4.9.15", "versionType": "semver"}, {"status": "affected", "version": "5.0.0", "lessThan": "5.0.5", "versionType": "semver"}], "packageName": "pdns", "programFiles": ["bindbackend2.cc"], "collectionURL": "https://repo.powerdns.com/", "defaultStatus": "unaffected"}], "datePublic": "2026-05-19T22:00:00.000Z", "references": [{"url": "https://docs.powerdns.com/authoritative/security-advisories/powerdns-advisory-powerdns-2026-06.html"}], "x_generator": {"engine": "Vulnogram 1.0.2"}, "descriptions": [{"lang": "en", "value": "Insufficient Validation of Names During AXFR", "supportingMedia": [{"type": "text/html", "value": "<p>Insufficient Validation of Names During AXFR</p>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "description": "Improper Neutralization of Special Elements used in a Command ('Command Injection')"}]}], "providerMetadata": {"orgId": "8ce71d90-2354-404b-a86e-bec2cc4e6981", "shortName": "OX", "dateUpdated": "2026-05-21T09:25:43.728Z"}}}, "cveMetadata": {"cveId": "CVE-2026-42000", "state": "PUBLISHED", "dateUpdated": "2026-05-21T12:02:35.449Z", "dateReserved": "2026-04-23T11:15:21.198Z", "assignerOrgId": "8ce71d90-2354-404b-a86e-bec2cc4e6981", "datePublished": "2026-05-21T09:25:43.728Z", "assignerShortName": "OX"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"collectionURL": "https://repo.powerdns.com/", "defaultStatus": "unaffected", "modules": ["BIND Backend"], "packageName": "pdns", "product": "Authoritative", "programFiles": ["bindbackend2.cc"], "repo": "https://github.com/PowerDNS/pdns", "vendor": "PowerDNS", "versions": [{"lessThan": "4.9.15", "status": "affected", "version": "4.9.0", "versionType": "semver"}, {"lessThan": "5.0.5", "status": "affected", "version": "5.0.0", "versionType": "semver"}]}], "source": "security@open-xchange.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:powerdns:authoritative:*:*:*:*:*:*:*:*", "matchCriteriaId": "FD3DAE44-8B1C-499A-8F35-22FB378F7417", "versionEndExcluding": "4.9.15", "vulnerable": true}, {"criteria": "cpe:2.3:a:powerdns:authoritative:*:*:*:*:*:*:*:*", "matchCriteriaId": "2A4E1802-A1AB-4058-A3DB-E514F6C07E30", "versionEndExcluding": "5.0.5", "versionStartIncluding": "5.0.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Insufficient Validation of Names During AXFR"}, {"lang": "es", "value": "Validaci\u00f3n insuficiente de nombres durante AXFR"}], "id": "CVE-2026-42000", "lastModified": "2026-07-23T16:10:00.137", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 4.0, "source": "security@open-xchange.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.6, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 4.0, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-42000", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-05-21T12:01:48.669083Z", "version": "2.0.3"}}]}, "published": "2026-05-21T10:16:25.563", "references": [{"source": "security@open-xchange.com", "tags": ["Broken Link"], "url": "https://docs.powerdns.com/authoritative/security-advisories/powerdns-advisory-powerdns-2026-06.html"}], "sourceIdentifier": "security@open-xchange.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-77"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[4.9.0,4.9.15)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[5.0.0,5.0.5)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Authoritative", "source": "cna", "vendor": "PowerDNS"}, "product": "authoritative", "vendor": "powerdns"}], "created": "2026-05-21T11:30:05.785364+00:00", "updated": "2026-05-21T16:30:14.622345+00:00", "vendors": ["powerdns", "powerdns$PRODUCT$authoritative"]}