CVE-2026-42000 MEDIUM

CVE-2026-42000: Insufficient Validation of Names During AXFR

Vendor Powerdns
Product Authoritative
Published May 21, 2026
Last update May 21, 2026

CVSS base score

6.8/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality None
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Insufficient Validation of Names During AXFR

Key dates

02Disclosure timeline

May 21, 2026 CVE published
May 21, 2026 Record updated