CVE-2026-42396— Insufficient Validation of Member Zone Data May Cause Catalog Zone Transfer to Fail
Possible ATT&CK Techniques 1AI
T1505.003 · Web ShellAffected Version Matrix 2
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| PowerDNS | Authoritative | 4.9.0< 4.9.15 | affected |
5.0.0< 5.0.5 | affected |
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I. Basic Information for CVE-2026-42396
Vulnerability Information
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Vulnerability Title
Insufficient Validation of Member Zone Data May Cause Catalog Zone Transfer to Fail
Source: NVD (National Vulnerability Database)
Vulnerability Description
Insufficient Validation of Member Zone Data May Cause Catalog Zone Transfer to Fail
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
PowerDNS Authoritative 代码注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
PowerDNS Authoritative是PowerDNS公司的一个DNS服务器软件。 PowerDNS Authoritative存在代码注入漏洞，该漏洞源于成员区域数据验证不足，可能导致目录区域传输失败。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| PowerDNS | Authoritative | 4.9.0 ~ 4.9.15 | - |
II. Public POCs for CVE-2026-42396
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
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Vendor Advisories for CVE-2026-42396 (1)
Same Patch Batch · PowerDNS · 2026-05-21 · 5 CVEs total
| CVE-2026-42001 | 7.5 HIGH | Insufficient Validation of Autoprimary SOA Queries |
| CVE-2026-42000 | 6.8 MEDIUM | Insufficient Validation of Names During AXFR |
| CVE-2026-42002 | 5.9 MEDIUM | Concurrency and locking defects in GSS-TSIG |
| CVE-2026-41999 | 4.8 MEDIUM | Incorrect Behaviour of Views with TCP PROXY Requests |
IV. Related Vulnerabilities
Same product: Authoritative
- CVE-2026-41999
Incorrect Behaviour of Views with TCP PROXY Requests - CVE-2026-42002
Concurrency and locking defects in GSS-TSIG - CVE-2026-42001
Insufficient Validation of Autoprimary SOA Queries - CVE-2026-42000
Insufficient Validation of Names During AXFR - CVE-2026-33611
Insufficient validation of HTTPS and SVCB records
Same vendor: PowerDNS
- CVE-2026-41999
Incorrect Behaviour of Views with TCP PROXY Requests - CVE-2026-42002
Concurrency and locking defects in GSS-TSIG - CVE-2026-42001
Insufficient Validation of Autoprimary SOA Queries - CVE-2026-42000
Insufficient Validation of Names During AXFR - CVE-2026-33611
Insufficient validation of HTTPS and SVCB records
V. Comments for CVE-2026-42396
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