{"id":"CVE-2026-0397","summary":"Information disclosure via CORS misconfiguration","details":"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.","modified":"2026-05-18T05:59:42.063908464Z","published":"2026-03-31T11:53:13.444Z","related":["SUSE-SU-2026:1618-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/0xxx/CVE-2026-0397.json","cna_assigner":"OX"},"references":[{"type":"WEB","url":"https://repo.powerdns.com/"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/0xxx/CVE-2026-0397.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-0397"},{"type":"ADVISORY","url":"https://www.dnsdist.org/security-advisories/powerdns-advisory-for-dnsdist-2026-02.html"},{"type":"PACKAGE","url":"https://github.com/PowerDNS/pdns"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/powerdns/pdns","events":[{"introduced":"89747e81bc60d7950276d5fda3ca669fa81b7cf9"},{"fixed":"4108ae9f5f169166dba3e7f386be570304dfa224"}]}],"versions":["dnsdist-2.0.2","dnsdist-2.0.1","dnsdist-2.0.0"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-0397.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N"}]}