CVE-2026-119658

CVSS 5.3 (medium) · published 2026-10-30

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.

Weakness: CWE-639

Source: NVD CVE-2026-119658

References

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

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