CVE-2026-0396
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.
SeverityLow
CVSS3.1
Exploit probability—
ProductPowerdns Dnsdist
PublishedMar 31, 2026
First seenMar 31, 2026
Weakness typeCWE-80CWE-80
How to fix
Update
- powerdns dnsdist1.9.12, 2.0.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| powerdns dnsdist | 1.9.0 ≤ v < 1.9.12, 2.0.0 ≤ v < 2.0.3 | 1.9.12, 2.0.3 |
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