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CVE-2026-112768— Parse Server before 8.6.99 and 9.x before 9.10.3-alpha.2 Information Disclosure via User Update

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.

在 8.6.99 之前的 Parse Server 版本，以及 9.0.0 至 9.10.3-alpha.2 之前的版本中，系统会在授权调用者之前，先针对目标账户执行用户更新时的校验，并将校验结果反映在响应中。因此，无论是否拥有会话，未授权的调用者均可通过尝试猜测用户名或邮箱来验证其正确性；若配置了 或 ，攻击者还能验证当前或历史密码的正确性，从而绕过账户锁定机制。

CVSS 6.9 · Medium

Affected Version Matrix 4

VendorProduct Version RangeStatus
parse-community parse-server 9.0.0< 9.10.3-alpha.2 affected
9.10.3-alpha.2 unaffected
< 8.6.99 affected
8.6.99 unaffected
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I. Basic Information for CVE-2026-112768

Vulnerability Information
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Vulnerability Title
Parse Server before 8.6.99 and 9.x before 9.10.3-alpha.2 Information Disclosure via User Update
Source: CVE Program / CVE List V5
Vulnerability Description
Parse Server before 8.6.99 and 9.0.0 before 9.10.3-alpha.2 evaluates checks against the target account during a user update before authorizing the caller, and reflects their outcome in the response. An unauthorized caller, with or without a session, can confirm guessed usernames or emails and, when passwordPolicy.maxPasswordHistory or doNotAllowUsername is set, guessed current or previous passwords, bypassing account lockout.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
parse-community parse-server 9.0.0 ~ 9.10.3-alpha.2 -
parse-community parse-server 0 ~ 8.6.99 -

II. Public POCs for CVE-2026-112768

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-112768

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Vendor Advisories for CVE-2026-112768 (2)

IV. Related Vulnerabilities

Same product: parse-server
Same vendor: parse-community
Same weakness: CWE-863

V. Comments for CVE-2026-112768

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