CVE-2026-0396

Published: Mar 31, 2026

Modified: Mar 31, 2026

PUBLISHED

CVSS v3.1

3.1

LOW

Description

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.

Vendor	Product	Versions
PowerDNS	DNSdist	affected `1.9.0 - < 1.9.12` affected `2.0.0 - < 2.0.3`

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

References

https://www.dnsdist.org/security-advisories/powerdns-advisory-for-dnsdist-2026-02.html

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CVE-2026-0396

Description

Affected Products

CVSS v3.1 Details

References