CVE-2026-0397 | BDVDB-2026-323774 Detail

PowerDNSDNSdist

Description#

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.

Impact#

Per CVSS v3.1: confidentiality impact low, integrity impact none, availability impact none. Attack vector: network.

Weaknesses#

CWE-942 Permissive Cross-domain Policy with Untrusted Domains

References#

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

Exploit#

No public exploit known

History#

Version 12026-03-31Record published in the CVE List.

Published

Published: 2026-03-31
Last modified: 2026-03-31

Vendor information

Vendor: PowerDNS
Product: DNSdist

All PowerDNS vulnerabilities

Score

3.1 Low

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 6.0.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
>= 1.9.0 and < 1.9.12
Fixed
1.9.12
Vulnerable
>= 2.0.0 and < 2.0.3
Fixed
2.0.3

Scoring System

CVSS v4.0

Not available

CVSS v3.1

3.1 Low

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

Metric breakdown
Attack Vector	Network
Attack Complexity	High
Privileges Required	None
User Interaction	Required
Scope	Unchanged
Confidentiality	Low
Integrity	None
Availability	None

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).