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CVE-2026-52690 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

VolerionCVSS-B:6.5 MEDIUMVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:L

CNA: [email protected]CVSS-B:5.9 MEDIUMVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-powerdns-2026-08.html	[email protected]	AdvisoryBroken LinkVendor

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-290	Authentication Bypass by Spoofing	CISA-ADP

Affected Products

Product	Versions
Open-Xchange PowerDNS Recursor	All versions
CPE cpe:2.3:a:powerdns:recursor:::::::: Remediation No remediation found in references.

Change History

2 change records found show changes

Date	Action	Recorded By
Jun 25, 2026	CVE Modified	CISA-ADP
Jun 25, 2026	New CVE Received	[email protected]