CVE-2026-0397

4.3 mediumEPSS 0.2%

Medium (4.3) in powerdns dnsdist. EPSS 0.2% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

4.3 medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 5% of CVEs (scores of 2026-10-31)
CWE: CWE-942
Published: 2026-03-31
Modified: 2026-07-25
Record from: the NVD, synced 2026-10-19

Affected

powerdns:dnsdist

References

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

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