Auth bypass in Powerdns-Admin
CVE-2026-119658
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.
Vulnerability class: IDOR (Insecure Direct Object Reference)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/PowerDNS-Admin/PowerDNS-Admin/issues/1940 (issue-tracking)
- github.com/PowerDNS-Admin/PowerDNS-Admin/pull/1942 (issue-tracking, patch)
- github.com/PowerDNS-Admin/PowerDNS-Admin/blob/v2026.08.1/powerdnsadmin/routes/d… (technical-description)
- github.com/PowerDNS-Admin/PowerDNS-Admin/blob/v2026.08.1/powerdnsadmin/models/d… (technical-description)
- hackmd.io/@hieuPenguinnn/powerdns-admin-record-update-body-domain-override-cros… (third-party-advisory)
- github.com/PowerDNS-Admin/PowerDNS-Admin (product)
- www.vulncheck.com/advisories/powerdns-admin-through-2026.08.1-authorization-byp… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-119658?
- CVE-2026-119658 is a medium-severity vulnerability in Powerdns-Admin, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 4.3/10. Published 2026-10-30.
- How severe is CVE-2026-119658?
- Medium severity. CVSS v3 base score is 4.3 out of 10.