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CVE-2026-34224— Parse Server: MFA single-use token bypass via concurrent authData login requests

EPSS 0.02% · P5
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I. Basic Information for CVE-2026-34224

Vulnerability Information
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Vulnerability Title
Parse Server: MFA single-use token bypass via concurrent authData login requests
Source: NVD (National Vulnerability Database)
Vulnerability Description
Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.64 and 9.7.0-alpha.8, an attacker who possesses a valid authentication provider token and a single MFA recovery code or SMS one-time password can create multiple authenticated sessions by sending concurrent login requests via the authData login endpoint. This defeats the single-use guarantee of MFA recovery codes and SMS one-time passwords, allowing session persistence even after the legitimate user revokes detected sessions. This issue has been patched in versions 8.6.64 and 9.7.0-alpha.8.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
检查时间与使用时间(TOCTOU)的竞争条件
Source: NVD (National Vulnerability Database)
Vulnerability Title
Parse Server 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Parse Server是Parse Platform开源的一个开源后端，可以部署到任何可以运行 Node.js 的基础设施。 Parse Server 8.6.64之前版本和9.7.0-alpha.8之前版本存在安全漏洞，该漏洞源于攻击者如果拥有有效的身份验证提供程序令牌和单个 MFA 恢复代码或短信一次性密码，就可以通过 authData 登录端点发送并发登录请求来创建多个已认证的会话。
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
parse-communityparse-server < 8.6.64 -

II. Public POCs for CVE-2026-34224

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III. Intelligence Information for CVE-2026-34224

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Same Patch Batch · parse-community · 2026-03-31 · 9 CVEs total

CVE-2026-34373Parse Server: GraphQL API endpoint ignores CORS origin restriction
CVE-2026-34573Parse Server: GraphQL complexity validator exponential fragment traversal DoS
CVE-2026-34595Parse Server: LiveQuery protected-field guard bypass via array-like logical operator value
CVE-2026-34784Parse Server: Streaming file download bypasses afterFind file trigger authorization
CVE-2026-34532Parse Server: Cloud function validator bypass via prototype chain traversal
CVE-2026-34215Parse Server: Auth data exposed via verify password endpoint
CVE-2026-34574Parse Server: Session field immutability bypass via falsy-value guard
CVE-2026-34363Parse Server: LiveQuery protected field leak via shared mutable state across concurrent su

IV. Related Vulnerabilities

Same product: parse-server
Same vendor: parse-community
Same weakness: CWE-367

V. Comments for CVE-2026-34224

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