CVE-2026-0397

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-0397", "assignerOrgId": "8ce71d90-2354-404b-a86e-bec2cc4e6981", "state": "PUBLISHED", "assignerShortName": "OX", "dateReserved": "2025-11-28T09:18:06.484Z", "datePublished": "2026-03-31T11:53:13.444Z", "dateUpdated": "2026-03-31T13:20:22.473Z"}, "containers": {"cna": {"affected": [{"collectionURL": "https://repo.powerdns.com/", "defaultStatus": "unaffected", "modules": ["Internal Web Server"], "packageName": "dnsdist", "product": "DNSdist", "programFiles": ["dnsdist-web.cc"], "repo": "https://github.com/PowerDNS/pdns", "vendor": "PowerDNS", "versions": [{"lessThan": "1.9.12", "status": "affected", "version": "1.9.0", "versionType": "semver"}, {"lessThan": "2.0.3", "status": "affected", "version": "2.0.0", "versionType": "semver"}]}], "credits": [{"lang": "en", "type": "finder", "value": "Surya Narayan Kushwaha (aka Cavid)"}], "datePublic": "2026-03-30T22:00:00.000Z", "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<p>When the internal webserver is enabled (default is disabled), an attacker might be able to trick an administrator logged to the dashboard into visiting a malicious website and extract information about the running configuration from the dashboard. The root cause of the issue is a misconfiguration of the Cross-Origin Resource Sharing (CORS) policy.</p>"}], "value": "When the internal webserver is enabled (default is disabled), an attacker might be able to trick an administrator logged to the dashboard into visiting a malicious website and extract information about the running configuration from the dashboard. The root cause of the issue is a misconfiguration of the Cross-Origin Resource Sharing (CORS) policy."}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 3.1, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"description": "Overly Permissive Cross-domain Whitelist", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "8ce71d90-2354-404b-a86e-bec2cc4e6981", "shortName": "OX", "dateUpdated": "2026-03-31T11:53:13.444Z"}, "references": [{"url": "https://www.dnsdist.org/security-advisories/powerdns-advisory-for-dnsdist-2026-02.html"}], "source": {"discovery": "UNKNOWN"}, "title": "Information disclosure via CORS misconfiguration", "x_generator": {"engine": "Vulnogram 0.5.0"}}, "adp": [{"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-942", "lang": "en", "description": "CWE-942 Permissive Cross-domain Policy with Untrusted Domains"}]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-03-31T13:19:54.934769Z", "id": "CVE-2026-0397", "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": "2026-03-31T13:20:22.473Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-0397", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-03-31T13:19:54.934769Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-942", "description": "CWE-942 Permissive Cross-domain Policy with Untrusted Domains"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-03-31T13:20:17.929Z"}}], "cna": {"title": "Information disclosure via CORS misconfiguration", "source": {"discovery": "UNKNOWN"}, "credits": [{"lang": "en", "type": "finder", "value": "Surya Narayan Kushwaha (aka Cavid)"}], "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 3.1, "attackVector": "NETWORK", "baseSeverity": "LOW", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"repo": "https://github.com/PowerDNS/pdns", "vendor": "PowerDNS", "modules": ["Internal Web Server"], "product": "DNSdist", "versions": [{"status": "affected", "version": "1.9.0", "lessThan": "1.9.12", "versionType": "semver"}, {"status": "affected", "version": "2.0.0", "lessThan": "2.0.3", "versionType": "semver"}], "packageName": "dnsdist", "programFiles": ["dnsdist-web.cc"], "collectionURL": "https://repo.powerdns.com/", "defaultStatus": "unaffected"}], "datePublic": "2026-03-30T22:00:00.000Z", "references": [{"url": "https://www.dnsdist.org/security-advisories/powerdns-advisory-for-dnsdist-2026-02.html"}], "x_generator": {"engine": "Vulnogram 0.5.0"}, "descriptions": [{"lang": "en", "value": "When the internal webserver is enabled (default is disabled), an attacker might be able to trick an administrator logged to the dashboard into visiting a malicious website and extract information about the running configuration from the dashboard. The root cause of the issue is a misconfiguration of the Cross-Origin Resource Sharing (CORS) policy.", "supportingMedia": [{"type": "text/html", "value": "<p>When the internal webserver is enabled (default is disabled), an attacker might be able to trick an administrator logged to the dashboard into visiting a malicious website and extract information about the running configuration from the dashboard. The root cause of the issue is a misconfiguration of the Cross-Origin Resource Sharing (CORS) policy.</p>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "description": "Overly Permissive Cross-domain Whitelist"}]}], "providerMetadata": {"orgId": "8ce71d90-2354-404b-a86e-bec2cc4e6981", "shortName": "OX", "dateUpdated": "2026-03-31T11:53:13.444Z"}}}, "cveMetadata": {"cveId": "CVE-2026-0397", "state": "PUBLISHED", "dateUpdated": "2026-03-31T13:20:22.473Z", "dateReserved": "2025-11-28T09:18:06.484Z", "assignerOrgId": "8ce71d90-2354-404b-a86e-bec2cc4e6981", "datePublished": "2026-03-31T11:53:13.444Z", "assignerShortName": "OX"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"collectionURL": "https://repo.powerdns.com/", "defaultStatus": "unaffected", "modules": ["Internal Web Server"], "packageName": "dnsdist", "product": "DNSdist", "programFiles": ["dnsdist-web.cc"], "repo": "https://github.com/PowerDNS/pdns", "vendor": "PowerDNS", "versions": [{"lessThan": "1.9.12", "status": "affected", "version": "1.9.0", "versionType": "semver"}, {"lessThan": "2.0.3", "status": "affected", "version": "2.0.0", "versionType": "semver"}]}], "source": "security@open-xchange.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:powerdns:dnsdist:*:*:*:*:*:*:*:*", "matchCriteriaId": "628B3B94-81DE-496E-B36A-B79A3DFFE1F4", "versionEndExcluding": "1.9.12", "versionStartIncluding": "1.9.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:powerdns:dnsdist:*:*:*:*:*:*:*:*", "matchCriteriaId": "9AC850DD-FDD8-4C48-B861-4BBAF423FF57", "versionEndExcluding": "2.0.3", "versionStartIncluding": "2.0.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "When the internal webserver is enabled (default is disabled), an attacker might be able to trick an administrator logged to the dashboard into visiting a malicious website and extract information about the running configuration from the dashboard. The root cause of the issue is a misconfiguration of the Cross-Origin Resource Sharing (CORS) policy."}, {"lang": "es", "value": "Cuando el servidor web interno est\u00e1 habilitado (por defecto est\u00e1 deshabilitado), un atacante podr\u00eda enga\u00f1ar a un administrador que ha iniciado sesi\u00f3n en el panel de control para que visite un sitio web malicioso y extraiga informaci\u00f3n sobre la configuraci\u00f3n en ejecuci\u00f3n del panel de control. La causa ra\u00edz del problema es una configuraci\u00f3n incorrecta de la pol\u00edtica de Intercambio de Recursos de Origen Cruzado (CORS)."}], "id": "CVE-2026-0397", "lastModified": "2026-07-25T10:10:00.167", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 3.1, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 1.6, "impactScore": 1.4, "source": "security@open-xchange.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-0397", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-03-31T13:19:54.934769Z", "version": "2.0.3"}}]}, "published": "2026-03-31T12:16:27.340", "references": [{"source": "security@open-xchange.com", "tags": ["Vendor Advisory"], "url": "https://www.dnsdist.org/security-advisories/powerdns-advisory-for-dnsdist-2026-02.html"}], "sourceIdentifier": "security@open-xchange.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-942"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[1.9.0,1.9.12)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[2.0.0,2.0.3)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "DNSdist", "source": "cna", "vendor": "PowerDNS"}, "product": "dnsdist", "vendor": "powerdns"}], "analysis": {"en": {"generated_at": "2026-04-14T17:51:51.974981+00:00", "value": {"mitigation_remediation": ["Confirm that the internal webserver is disabled unless required", "If the webserver must remain enabled, restrict the CORS policy to allow only trusted origins", "Apply the latest DNSdist release when one becomes available", "Monitor dashboard access logs for unexpected cross\u2011origin requests"], "summary": {"action": "Assess Impact", "impact": "Information Disclosure"}, "threat_synthesis": {"affected_systems": "The vulnerability targets PowerDNS DNSdist. No explicit version range is provided in the advisory, so any build that includes the internal webserver and the default CORS policy may be affected. Administrators should check whether the webserver is running and whether the dashboard is exposed to external access.", "description_and_impact": "When DNSdist\u2019s internal web admin interface is active, a misconfigured Cross-Origin Resource Sharing policy allows a malicious webpage to read configuration data that is normally protected by the dashboard API. An attacker can exploit this by luring an administrator who is logged in to the dashboard into visiting a crafted site, thereby leaking sensitive configuration information. The weakness is identified as a CORS policy flaw (CWE\u2011942), resulting in unintended data disclosure.", "risk_and_exploitability": "The CVSS score of 3.1 indicates a low severity data\u2011exposure risk. An EPSS value below 1\u202f% suggests that the probability of exploitation is very low, and the flaw does not appear in the CISA Known Exploited Vulnerabilities catalog. The likely attack vector involves an authenticated administrator who visits a malicious webpage; this component of the attack is inferred, not directly documented in the advisory. While the impact is limited to data disclosure, appropriate mitigations remain advisable."}}}}, "created": "2026-03-31T19:54:51.879933+00:00", "updated": "2026-04-15T16:45:09.789384+00:00", "vendors": ["powerdns", "powerdns$PRODUCT$dnsdist"]}