CVE-2026-42255 HIGH

CVE-2026-42255

Vendor Technitium
Product DnsServer
Weakness CWE-684
Published April 26, 2026
Last update April 27, 2026
View on NVD All CVEs

CVSS base score

7.2/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Technitium DNS Server before 15.0 allows DNS traffic amplification via cyclic name server delegation.

Key dates

02Disclosure timeline

April 26, 2026 CVE published
April 27, 2026 Record updated