CVE-2026-44671— ZITADEL LDAP 登录流程注入漏洞
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一、 漏洞 CVE-2026-44671 基础信息
漏洞信息
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Vulnerability Title
ZITADEL: LDAP Filter Injection in Login Flow
来源: 美国国家漏洞数据库 NVD
Vulnerability Description
ZITADEL is an open source identity management platform. From 2.71.11 to before 3.4.10 and 4.15.0, a vulnerability was discovered in Zitadel's LDAP identity provider implementation, which fails to properly escape user-provided usernames before incorporating them into LDAP search filters. This allows unauthenticated attackers to perform LDAP Filter Injection during the login process. While this vulnerability does not allow for a full authentication bypass, an attacker can use LDAP metacharacters (such as *, (, )) to perform blind LDAP injection. By observing the different failure (or success) responses, an attacker can systematically enumerate valid usernames and extract sensitive attribute data from the connected LDAP directory. This vulnerability is fixed in 3.4.10 and 4.15.0.
来源: 美国国家漏洞数据库 NVD
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
来源: 美国国家漏洞数据库 NVD
Vulnerability Type
LDAP查询中使用的特殊元素转义处理不恰当(LDAP注入)
来源: 美国国家漏洞数据库 NVD
受影响产品
二、漏洞 CVE-2026-44671 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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三、漏洞 CVE-2026-44671 的情报信息
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- https://github.com/zitadel/zitadel/releases/tag/v4.15.0x_refsource_MISC
- https://github.com/zitadel/zitadel/releases/tag/v3.4.10x_refsource_MISC
- https://github.com/zitadel/zitadel/security/advisories/GHSA-rxvx-hhpj-q6pxx_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2026-44671
IV. Related Vulnerabilities
V. Comments for CVE-2026-44671
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