CVE-2026-33611 MEDIUM

CVE-2026-33611: Insufficient validation of HTTPS and SVCB records

Vendor Powerdns
Product Authoritative
Published April 22, 2026
Last update April 22, 2026
View on NVD All CVEs

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality None
Integrity High

CVSS vector

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

What the vulnerability does

01Description

An operator allowed to use the REST API can cause the Authoritative server to produce invalid HTTPS or SVCB record data, which can in turn cause LMDB database corruption, if using the LMDB backend.

Key dates

02Disclosure timeline

April 22, 2026 CVE published
April 22, 2026 Record updated