CVE-2026-0396

HTML injection in the web dashboard

Published Mar 31, 2026 CVSS 3.1 · 3.1 Low EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DSA Debian DSA DSA-6235-1 dnsdist security update
History
Type Values Removed Values Added
CPEs cpe:2.3:a:powerdns:dnsdist:*:*:*:*:*:*:*:*
Type Values Removed Values Added
First Time appeared Powerdns
Powerdns dnsdist
Vendors & Products Powerdns
Powerdns dnsdist
Type Values Removed Values Added
Weaknesses CWE-80
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title HTML injection in the web dashboard
References
Metrics cvssV3_1

{'score': 3.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
OX
Published
Updated
Mar 31, 2026, 1:21 PM
Reserved
Nov 28, 2025, 9:18 AM
Status
Analyzed
Published
Mar 31, 2026, 12:16 PM
Modified
Jul 25, 2026, 10:10 AM