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CVE-2026-110854— Parse Server before 8.6.97 and 9.10.2-alpha.6 Denial of Service via Unhandled Email Error

Quick assessment

Affected
parse-community parse-server
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Parse Server 8.6.97 之前版本以及 9.0.0 至 9.10.2-alpha.6 之前的版本在发送验证邮件或重置密码邮件时，未正确处理由此引发的错误，导致服务器进程退出。攻击者仅使用公开的 Application ID 和 Client Key 即可注册用户、请求发送验证邮件或请求密码重置。当邮件服务提供商拒绝服务、进行速率限制或不可用时，将导致服务器崩溃。

CVSS 8.2 · High EPSS 0.26% · P17

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 2

VendorProduct Version RangeStatus
parse-community parse-server < 8.6.97 affected
9.0.0< 9.10.2-alpha.6 affected
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I. Basic Information for CVE-2026-110854

Vulnerability Information
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Vulnerability Title
Parse Server before 8.6.97 and 9.10.2-alpha.6 Denial of Service via Unhandled Email Error
Source: CVE Program / CVE List V5
Vulnerability Description
Parse Server before 8.6.97 and 9.0.0 before 9.10.2-alpha.6 does not handle errors raised while sending verification or password reset emails, causing the server process to exit. A client holding only the public application keys can sign up, request a verification email, or request a password reset while the mail provider rejects, rate limits, or is unavailable, crashing the server.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
未捕获的异常
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
parse-community parse-server 0 ~ 8.6.97 -

II. Public POCs for CVE-2026-110854

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-110854

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Other References for CVE-2026-110854 (2)

IV. Related Vulnerabilities

Same product: parse-server
Same vendor: parse-community
Same weakness: CWE-248

V. Comments for CVE-2026-110854

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