PowerDNS-Admin through 2026.08.1 contains an authorization bypass vulnerability that allows authenticated User-role accounts to refresh secondary zones they cannot access by supplying a different 'domain' field in the JSON body. Attackers authorized for any one zone can force axfr-retrieve transfers of other users' secondary zones and infer zone existence from differing responses.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact Low

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation poc

Automatable no

Technical Impact partial

Affected Vendors & Products

No data.

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No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/PowerDNS-Admin/PowerDNS-Admin cve-icon cve-icon
https://github.com/PowerDNS-Admin/PowerDNS-Admin/blob/v2026.08.1/powerdnsadmin/models/domain.py#L702-L730 cve-icon cve-icon
https://github.com/PowerDNS-Admin/PowerDNS-Admin/blob/v2026.08.1/powerdnsadmin/routes/domain.py#L738-L766 cve-icon cve-icon
https://github.com/PowerDNS-Admin/PowerDNS-Admin/issues/1940 cve-icon cve-icon
https://github.com/PowerDNS-Admin/PowerDNS-Admin/pull/1942 cve-icon cve-icon
https://hackmd.io/@hieuPenguinnn/powerdns-admin-record-update-body-domain-override-cross-zone-idor cve-icon cve-icon cve-icon
https://www.vulncheck.com/advisories/powerdns-admin-through-2026.08.1-authorization-bypass-via-domain-domain-name-update cve-icon cve-icon
History

Fri, 30 Oct 2026 17:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Fri, 30 Oct 2026 14:30:00 +0000

Type Values Removed Values Added
Description PowerDNS-Admin through 2026.08.1 contains an authorization bypass vulnerability that allows authenticated User-role accounts to refresh secondary zones they cannot access by supplying a different 'domain' field in the JSON body. Attackers authorized for any one zone can force axfr-retrieve transfers of other users' secondary zones and infer zone existence from differing responses.
Title PowerDNS-Admin through 2026.08.1 Authorization Bypass via /domain/<domain_name>/update
Weaknesses CWE-639
References
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N'}

cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-30T16:15:55.020Z

Reserved: 2026-10-30T13:43:48.291Z

Link: CVE-2026-119658

cve-icon Vulnrichment

Updated: 2026-10-30T16:15:49.550Z

cve-icon NVD

Status : Deferred

Published: 2026-10-30T15:16:49.873

Modified: 2026-10-30T19:23:25.493

Link: CVE-2026-119658

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-30T15:45:15Z

Weaknesses