Parse Server before 8.6.102 and 9.0.0 before 9.10.5-alpha.2 contains an authentication bypass because the validateSetUp, validateLogin, and validateUpdate methods of custom adapters subclassing AuthAdapter are never called, and an inherited default that accepts any authData is used instead. Attackers can supply arbitrary authData to sign up, link identities, log in as existing users, or skip custom additional authentication factors.
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Fixes

Solution

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Workaround

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History

Mon, 26 Oct 2026 18:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Sun, 25 Oct 2026 20:30:00 +0000

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

Sun, 25 Oct 2026 13:45:00 +0000

Type Values Removed Values Added
Description Parse Server before 8.6.102 and 9.0.0 before 9.10.5-alpha.2 contains an authentication bypass because the validateSetUp, validateLogin, and validateUpdate methods of custom adapters subclassing AuthAdapter are never called, and an inherited default that accepts any authData is used instead. Attackers can supply arbitrary authData to sign up, link identities, log in as existing users, or skip custom additional authentication factors.
Title Parse Server 9.0.0 before 9.10.5-alpha.2 Authentication Bypass via AuthAdapter Subclasses
First Time appeared Parseplatform
Parseplatform parse-server
Weaknesses CWE-287
CPEs cpe:2.3:a:parseplatform:parse-server:*:*:*:*:*:*:*:*
Vendors & Products Parseplatform
Parseplatform parse-server
References
Metrics cvssV3_1

{'score': 7.4, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N'}

cvssV4_0

{'score': 9.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-26T16:47:58.712Z

Reserved: 2026-10-25T12:24:12.572Z

Link: CVE-2026-116163

cve-icon Vulnrichment

Updated: 2026-10-26T15:40:08.997Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-25T14:16:55.110

Modified: 2026-10-26T17:17:22.223

Link: CVE-2026-116163

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-25T19:30:14Z

Weaknesses