Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2026-0396

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
31/03/2026
Last modified:
13/04/2026

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.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N CVSS v3.1 Severity and Metrics:

Base Score: 3.10 LOW
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N

Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): Required
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): Low
Availability (A): None

Base Score 3.x
3.10
Severity 3.x
LOW

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:powerdns:dnsdist:*:*:*:*:*:*:*:* 1.9.0 (including) 1.9.12 (excluding)
cpe:2.3:a:powerdns:dnsdist:*:*:*:*:*:*:*:* 2.0.0 (including) 2.0.3 (excluding)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools