{"id":"CVE-2026-0397","state":"PUBLISHED","title":"Information disclosure via CORS misconfiguration","description":"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.","publishedAt":"2026-03-31T11:53:13.444Z","updatedAt":"2026-03-31T13:20:22.473Z","severity":{"score":3.1,"label":"Low","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N","source":"OX"},"assigner":"OX","products":["PowerDNS DNSdist"],"affected":[{"vendor":"PowerDNS","product":"DNSdist","packageName":"dnsdist","defaultStatus":"unaffected","versions":[{"version":"1.9.0","status":"affected","lessThan":"1.9.12","versionType":"semver"},{"version":"2.0.0","status":"affected","lessThan":"2.0.3","versionType":"semver"}],"collectionURL":"https://repo.powerdns.com/","modules":["Internal Web Server"],"programFiles":["dnsdist-web.cc"],"repo":"https://github.com/PowerDNS/pdns"}],"references":["https://www.dnsdist.org/security-advisories/powerdns-advisory-for-dnsdist-2026-02.html"],"weaknesses":["CWE-942"],"ingestedAt":"2026-10-29T20:10:13.529Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/0xxx/CVE-2026-0397.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-0397","state":"PUBLISHED","datePublished":"2026-03-31T11:53:13.444Z","dateUpdated":"2026-03-31T13:20:22.473Z","assignerShortName":"OX","assignerOrgId":"8ce71d90-2354-404b-a86e-bec2cc4e6981","dateReserved":"2025-11-28T09:18:06.484Z"},"containers":{"cna":{"title":"Information disclosure via CORS misconfiguration","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."}],"affected":[{"vendor":"PowerDNS","product":"DNSdist","packageName":"dnsdist","defaultStatus":"unaffected","versions":[{"version":"1.9.0","status":"affected","lessThan":"1.9.12","versionType":"semver"},{"version":"2.0.0","status":"affected","lessThan":"2.0.3","versionType":"semver"}],"collectionURL":"https://repo.powerdns.com/","modules":["Internal Web Server"],"programFiles":["dnsdist-web.cc"],"repo":"https://github.com/PowerDNS/pdns"}],"references":[{"url":"https://www.dnsdist.org/security-advisories/powerdns-advisory-for-dnsdist-2026-02.html"}],"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":{"shortName":"OX","orgId":"8ce71d90-2354-404b-a86e-bec2cc4e6981","dateUpdated":"2026-03-31T11:53:13.444Z"},"credits":[{"lang":"en","type":"finder","value":"Surya Narayan Kushwaha (aka Cavid)"}],"datePublic":"2026-03-30T22:00:00.000Z","source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 0.5.0"}},"adp":[{"title":"CISA ADP Vulnrichment","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"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-942","type":"CWE","lang":"en","description":"CWE-942 Permissive Cross-domain Policy with Untrusted Domains"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-03-31T13:20:22.473Z"}}]}}}