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

CVE-2026-0396

HTML injection in the web dashboard PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
PowerDNS / DNSdist	affected 1.9.0 before 1.9.12; affected 2.0.0 before 2.0.3

CWE

No CWE identifiers supplied.

References

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

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.