CVE-2026-0396 LOW

CVE-2026-0396: HTML injection in the web dashboard

Vendor Powerdns
Product DNSdist
Published March 31, 2026
Last update March 31, 2026

CVSS base score

3.1/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction Required
Confidentiality None
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

An attacker might be able to inject HTML content into the internal web dashboard by sending crafted DNS queries to a DNSdist instance where domain-based dynamic rules have been enabled via either DynBlockRulesGroup:setSuffixMatchRule or DynBlockRulesGroup:setSuffixMatchRuleFFI.

Key dates

02Disclosure timeline

March 31, 2026 CVE published
March 31, 2026 Record updated