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.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
parse-community parse-server unaffected
Version Status Constraints
9.0.0 affected < 9.10.3-alpha.2
9.10.3-alpha.2 unaffected —
parse-community parse-server unaffected
Version Status Constraints
0 affected < 8.6.99
8.6.99 unaffected —

No data.

No data.

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No data.

Project Subscriptions

Vendors Products
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Parse-server Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/parse-community/parse-server/security/advisories/GHSA-p49q-9w65-f9p7 cve-icon cve-icon
https://www.vulncheck.com/advisories/parse-server-before-8.6.99-and-9-x-before-9.10.3-alpha.2-information-disclosure-via-user-update cve-icon cve-icon
History

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'}

Projects

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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

No data.

cve-icon NVD

Status : Awaiting Analysis

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

Modified: 2026-10-19T21:13:39.973

Link: CVE-2026-112768

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-19T20:30:03Z

Weaknesses