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VULNERABILITIES

CVE-2026-33409 Details

Description

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.52 and 9.6.0-alpha.41, an authentication bypass vulnerability allows an attacker to log in as any user who has linked a third-party authentication provider, without knowing the user's credentials. The attacker only needs to know the user's provider ID to gain full access to their account, including a valid session token. This affects Parse Server deployments where the server option allowExpiredAuthDataToken is set to true. The default value is false. This issue has been patched in versions 8.6.52 and 9.6.0-alpha.41.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:9.1 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/parse-community/parse-server/commit/8d7df5639c4a35768fe8b78b4580b30e8a74721c [email protected]Patch
https://github.com/parse-community/parse-server/commit/98f4ba5bcf2c199bfe6225f672e8edcd08ba732d [email protected]Patch
https://github.com/parse-community/parse-server/pull/10246 [email protected]Issue Tracking
https://github.com/parse-community/parse-server/pull/10247 [email protected]Issue Tracking
https://github.com/parse-community/parse-server/security/advisories/GHSA-pfj7-wv7c-22pr [email protected]Vendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-287Improper Authentication[email protected]

Affected Products

ProductVersions
parseplatform parse-server
< 8.6.52
>= 9.0.0, < 9.6.0
9.6.0 alpha1
9.6.0 alpha10
9.6.0 alpha11

CPE

  • cpe:2.3:a:parseplatform:parse-server:*:*:*:*:*:node.js:*:*
  • cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha1:*:*:*:node.js:*:*
  • cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha10:*:*:*:node.js:*:*
  • cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha11:*:*:*:node.js:*:*
  • cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha12:*:*:*:node.js:*:*
  • cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha13:*:*:*:node.js:*:*
  • cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha14:*:*:*:node.js:*:*
  • cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha15:*:*:*:node.js:*:*
  • cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha16:*:*:*:node.js:*:*
  • cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha17:*:*:*:node.js:*:*
  • cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha18:*:*:*:node.js:*:*
  • cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha19:*:*:*:node.js:*:*
  • cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha2:*:*:*:node.js:*:*
  • cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha20:*:*:*:node.js:*:*
  • cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha21:*:*:*:node.js:*:*
  • cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha22:*:*:*:node.js:*:*
  • cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha23:*:*:*:node.js:*:*
  • cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha24:*:*:*:node.js:*:*
  • cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha25:*:*:*:node.js:*:*
  • cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha26:*:*:*:node.js:*:*
  • cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha27:*:*:*:node.js:*:*
  • cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha28:*:*:*:node.js:*:*
  • cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha29:*:*:*:node.js:*:*
  • cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha3:*:*:*:node.js:*:*
  • cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha30:*:*:*:node.js:*:*
  • cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha31:*:*:*:node.js:*:*
  • cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha32:*:*:*:node.js:*:*
  • cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha33:*:*:*:node.js:*:*
  • cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha34:*:*:*:node.js:*:*
  • cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha35:*:*:*:node.js:*:*
  • cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha36:*:*:*:node.js:*:*
  • cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha37:*:*:*:node.js:*:*
  • cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha38:*:*:*:node.js:*:*
  • cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha39:*:*:*:node.js:*:*
  • cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha4:*:*:*:node.js:*:*
  • cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha40:*:*:*:node.js:*:*
  • cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha5:*:*:*:node.js:*:*
  • cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha6:*:*:*:node.js:*:*
  • cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha7:*:*:*:node.js:*:*
  • cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha8:*:*:*:node.js:*:*
  • cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha9:*:*:*:node.js:*:*

Remediation

  • No remediation found in references.

Change History

4 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-33409
NVD Published Date:
Mar 24, 2026
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2026-33409 Details - Not Deferred