{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-52690","assignerOrgId":"8ce71d90-2354-404b-a86e-bec2cc4e6981","state":"PUBLISHED","assignerShortName":"OX","dateReserved":"2026-06-08T08:05:31.708Z","datePublished":"2026-06-25T13:01:40.347Z","dateUpdated":"2026-06-25T14:21:36.692Z"},"containers":{"cna":{"providerMetadata":{"orgId":"8ce71d90-2354-404b-a86e-bec2cc4e6981","shortName":"OX","dateUpdated":"2026-06-25T13:01:40.347Z"},"title":"Spoofed answers can mark an authoritative non-EDNS capable","datePublic":"2026-06-24T22:00:00.000Z","problemTypes":[{"descriptions":[{"lang":"en","description":"Authentication Bypass by Spoofing","type":"CWE"}]}],"affected":[{"vendor":"PowerDNS","product":"Recursor","collectionURL":"https://repo.powerdns.com/","packageName":"pdns-recursor","repo":"https://github.com/PowerDNS/pdns","modules":["Outgoing EDNS handling"],"programFiles":["syncres.cc"],"versions":[{"status":"affected","version":"5.2.0","lessThan":"5.2.11","versionType":"semver"},{"status":"affected","version":"5.3.0","lessThan":"5.3.8","versionType":"semver"},{"status":"affected","version":"5.4.0","lessThan":"5.4.3","versionType":"semver"}],"defaultStatus":"unaffected"}],"descriptions":[{"lang":"en","value":"Spoofing replies to Recursor might mark an IP of an authoritative server as not supporting EDNS, causing valdiation of DNSSEC records served by that server to fail.","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>Spoofing replies to Recursor might mark an IP of an authoritative server as not supporting EDNS, causing valdiation of DNSSEC records served by that server to fail.</p>"}]}],"references":[{"url":"https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-powerdns-2026-08.html"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","baseSeverity":"MEDIUM","baseScore":5.9,"vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"}}],"credits":[{"lang":"en","value":"Mehtab Zafar","type":"finder"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.2"}},"adp":[{"problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-290","lang":"en","description":"CWE-290 Authentication Bypass by Spoofing"}]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-25T14:21:31.973756Z","id":"CVE-2026-52690","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":"2026-06-25T14:21:36.692Z"}}]}}