CVE-2026-52690

MediumCVSS 5.9/10Last modified Oct 25, 2026

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 3.1 5.9/10CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-290

Affected software

Vendor	Product	Versions
PowerDNS	Recursor	>= 5.2.0, < 5.2.11; >= 5.3.0, < 5.3.8; >= 5.4.0, < 5.4.3

References

https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-powerdns-2026-08.html

Timeline

Published: Jun 25, 2026
Last modified: Oct 25, 2026
NVD status: Deferred

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