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LOW · 3.1

CVE-2026-0396

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 DynB...

Vulnerability 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.

CVSS Score

3.1

LOW

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

Affected Products

VendorProductVersions
PowerdnsDnsdist>= 1.9.0, < 1.9.12

Related Weaknesses (CWE)

CWE-80

References

FAQ

What is CVE-2026-0396?

CVE-2026-0396 is a vulnerability with a CVSS score of 3.1 (LOW). 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 DynB...

How severe is CVE-2026-0396?

CVE-2026-0396 has been rated LOW with a CVSS base score of 3.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-0396?

Check the references section above for vendor advisories and patch information. Affected products include: Powerdns Dnsdist.