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.

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Fixes

Solution

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Workaround

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History

Tue, 20 Oct 2026 00:45:00 +0000

Type Values Removed Values Added
First Time appeared Parse Community
Parse Community parse Server
Vendors & Products Parse Community
Parse Community parse Server

Mon, 19 Oct 2026 22:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 19 Oct 2026 19:30:00 +0000

Type Values Removed Values Added
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.
Title Parse Server before 8.6.99 and 9.x before 9.10.3-alpha.2 Information Disclosure via User Update
First Time appeared Parseplatform
Parseplatform parse-server
Weaknesses CWE-863
CPEs cpe:2.3:a:parseplatform:parse-server:*:*:*:*:*:node.js:*:*
Vendors & Products Parseplatform
Parseplatform parse-server
References
Metrics cvssV4_0

{'score': 6.9, 'vector': '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'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-19T21:24:16.538Z

Reserved: 2026-10-19T18:10:49.940Z

Link: CVE-2026-112768

cve-icon Vulnrichment

Updated: 2026-10-19T21:24:12.677Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-19T20:17:53.790

Modified: 2026-10-19T22:17:08.283

Link: CVE-2026-112768

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-20T00:30:06Z

Weaknesses