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I. Basic Information for CVE-2026-33609
Vulnerability Information
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Vulnerability Title
LDAP DN injection
Source: NVD (National Vulnerability Database)
Vulnerability Description
Incomplete escaping of LDAP queries when running with 8bit-dns enabled allows users to perform queries of internal domain subtrees.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
PowerDNS Authoritative Server 注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
PowerDNS Authoritative Server是荷兰PowerDNS公司的一款DNS服务器。 PowerDNS Authoritative Server存在注入漏洞，该漏洞源于启用8bit-dns时LDAP查询转义不完整，允许用户查询内部域子树。
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
VendorProductAffected VersionsCPESubscribe
PowerDNSAuthoritative 5.0.0 ~ 5.0.4 -
II. Public POCs for CVE-2026-33609
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III. Intelligence Information for CVE-2026-33609
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IV. Related Vulnerabilities
Same product: Authoritative
Same vendor: PowerDNS
V. Comments for CVE-2026-33609

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