Vulnerability in PowerDNS-Admin

[ Why it matters ]Priority signals

• Public proof-of-concept exploit exists (CISA SSVC)

[ Description ]Official 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.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ Advisories ]Government CERT advisories

• BSI CERT-Bund1 Nov 2026WID-SEC-2026-4277

  PowerDNS: Vulnerability allows bypassing security measures Translated from German

  CVE-2026-119658

[ References ]References

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