CVE-2026-87806— Parse Server 9.0.0 认证绕过漏洞
一分钟漏洞结论
影响对象
parse-community parse-server
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。
Parse Server 版本 <= 8.6.87 和 >= 9.0.0 < 9.10.1-alpha.7 内置的 LDAP 身份验证适配器中存在一个身份验证绕过漏洞。该适配器将客户端提供的密码直接转发给目录服务，而没有验证密码是否已提供，并将来自目录服务的任何非错误响应都视为身份验证成功的证明。零长度的凭证会将 LDAP 简单绑定（simple bind）转变为 RFC 4513 第 5.1.2 节中描述的匿名身份验证机制，而某些目录服务（包括默认配置的 Active Directory）会对此返回成功响应，并将
可能的 ATT&CK 技术 1 AI
T1557.001 · Name Resolution Poisoning and SMB Relay影响版本矩阵 4
| 厂商 | 产品 | 版本范围 | 状态 |
|---|---|---|---|
| parse-community | parse-server | 9.0.0< 9.10.1-alpha.7 |
affected |
9.10.1-alpha.7 |
unaffected | ||
< 8.6.88 |
affected | ||
8.6.88 |
unaffected |
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一、 漏洞 CVE-2026-87806 基础信息
漏洞信息
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Vulnerability Title
Parse Server 9.0.0 Authentication Bypass via LDAP Empty Password
来源: CVE Program / CVE List V5
Vulnerability Description
Parse Server versions <= 8.6.87 and >= 9.0.0 < 9.10.1-alpha.7 contain an authentication bypass in the built-in LDAP authentication adapter. The adapter forwarded the client-supplied password to the directory without verifying that a password had been supplied, and treated any non-error response from the directory as proof of authentication. A zero-length credential turns an LDAP simple bind into the unauthenticated authentication mechanism described in RFC 4513 section 5.1.2, which some directories (including Active Directory in its default configuration) answer with success while mapping the connection to anonymous. As a result, an unauthenticated attacker who knows a directory username can obtain a valid session token for that account, resulting in account takeover. Only deployments that enable the LDAP authentication adapter are affected, and deployments whose directory refuses unauthenticated simple bind (such as a stock OpenLDAP configuration) are not exploitable. The issue is fixed in 8.6.88 and 9.10.1-alpha.7, which require the password to be a non-empty string and reject the request before contacting the directory.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
来源: CVE Program / CVE List V5
Vulnerability Type
认证机制不恰当
来源: CVE Program / CVE List V5
受影响产品
| 厂商 | 产品 | 影响版本 | CPE | 订阅 |
|---|---|---|---|---|
| parse-community | parse-server | 9.0.0 ~ 9.10.1-alpha.7 | - |
|
| parse-community | parse-server | 0 ~ 8.6.88 | - |
|
二、漏洞 CVE-2026-87806 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2026-87806 厂商安全公告 (2)
IV. Related Vulnerabilities
V. Comments for CVE-2026-87806
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