CVE-2026-0397
Information disclosure via CORS misconfiguration
CVSS Score
3.1
EPSS Score
0.0%
EPSS Percentile
1th
When the internal webserver is enabled (default is disabled), an attacker might be able to trick an administrator logged to the dashboard into visiting a malicious website and extract information about the running configuration from the dashboard. The root cause of the issue is a misconfiguration of the Cross-Origin Resource Sharing (CORS) policy.
| Vendor | powerdns |
| Product | dnsdist |
| Published | Mar 31, 2026 |
| Last Updated | Mar 31, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None
Affected Versions
PowerDNS / DNSdist
1.9.0 < 1.9.12 2.0.0 < 2.0.3
References
Credits
Surya Narayan Kushwaha (aka Cavid)