Netcccyun dnsmgr 2.18 before 2.22 contains a missing authorization vulnerability in POST /cloudflare/get_domain_default_line that allows restricted users to access domains outside their permissions. Restricted sub-users or single-domain logins can iterate the domain_id parameter to enumerate panel domain ids and read each domain's DNS line list and default line.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact None

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 Low

Integrity Impact None

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.

Key SSVC decision points have not yet been added.

Affected Vendors & Products

No data.

No data.

No data.

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/netcccyun/dnsmgr/blob/b42dbcf88bccca287e9e9af53e87ba399a5ae295/app/controller/Cloudflare.php#L381-L398 cve-icon cve-icon
https://github.com/netcccyun/dnsmgr/commit/175468c6423c04a6b46e56663c37f090bef5381f cve-icon cve-icon
https://github.com/netcccyun/dnsmgr/issues/580 cve-icon cve-icon
https://hackmd.io/@hieund/dnsmgr-cloudflare-default-line-missing-authz-cross-tenant-idor cve-icon cve-icon
https://www.vulncheck.com/advisories/netcccyun-dnsmgr-2.18-before-2.22-missing-authorization-via-get-domain-default-line cve-icon cve-icon
History

Sun, 15 Nov 2026 13:00:00 +0000

Type Values Removed Values Added
Description Netcccyun dnsmgr 2.18 before 2.22 contains a missing authorization vulnerability in POST /cloudflare/get_domain_default_line that allows restricted users to access domains outside their permissions. Restricted sub-users or single-domain logins can iterate the domain_id parameter to enumerate panel domain ids and read each domain's DNS line list and default line.
Title Netcccyun dnsmgr 2.18 before 2.22 Missing Authorization via get_domain_default_line
Weaknesses CWE-862
References
Metrics cvssV3_1

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

cvssV4_0

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

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-11-15T12:48:23.670Z

Reserved: 2026-11-15T02:02:14.385Z

Link: CVE-2026-129468

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-11-15T13:17:00.110

Modified: 2026-11-15T13:17:00.110

Link: CVE-2026-129468

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses