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CVE-2026-34574

MEDIUM CVSS 4.0: 5.3 EPSS 0.03%
Updated Apr 01, 2026
Parse-Community
Parameter Value
CVSS 5.3 (MEDIUM)
Affected Versions 9.0.0 — 9.7.0
Fixed In 8.6.69
Type CWE-697
Vendor Parse-Community
Public PoC No

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.69 and 9.7.0-alpha.14, an authenticated user can bypass the immutability guard on session fields (expiresAt, createdWith) by sending a null value in a PUT request to the session update endpoint. This allows nullifying the session expiry, making the session valid indefinitely and bypassing configured session length policies.

This issue has been patched in versions 8.6.69 and 9.7.0-alpha.14.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
Low
Partial data leak
Integrity
Low
Partial data modification
Availability
None
No disruption

CVSS Vector v4.0

Weakness Type (CWE)

Vulnerable Products 15

Configuration From (including) Up to (excluding)
Parseplatform Parse-Server
cpe:2.3:a:parseplatform:parse-server:*:*:*:*:*:node.js:*:*
8.6.69
Parseplatform Parse-Server
cpe:2.3:a:parseplatform:parse-server:*:*:*:*:*:node.js:*:*
9.0.0 9.7.0
Parseplatform Parse-Server
cpe:2.3:a:parseplatform:parse-server:9.7.0:alpha1:*:*:*:node.js:*:*
Parseplatform Parse-Server
cpe:2.3:a:parseplatform:parse-server:9.7.0:alpha10:*:*:*:node.js:*:*
Parseplatform Parse-Server
cpe:2.3:a:parseplatform:parse-server:9.7.0:alpha11:*:*:*:node.js:*:*
Parseplatform Parse-Server
cpe:2.3:a:parseplatform:parse-server:9.7.0:alpha12:*:*:*:node.js:*:*
Parseplatform Parse-Server
cpe:2.3:a:parseplatform:parse-server:9.7.0:alpha13:*:*:*:node.js:*:*
Parseplatform Parse-Server
cpe:2.3:a:parseplatform:parse-server:9.7.0:alpha2:*:*:*:node.js:*:*
Parseplatform Parse-Server
cpe:2.3:a:parseplatform:parse-server:9.7.0:alpha3:*:*:*:node.js:*:*
Parseplatform Parse-Server
cpe:2.3:a:parseplatform:parse-server:9.7.0:alpha4:*:*:*:node.js:*:*
Parseplatform Parse-Server
cpe:2.3:a:parseplatform:parse-server:9.7.0:alpha5:*:*:*:node.js:*:*
Parseplatform Parse-Server
cpe:2.3:a:parseplatform:parse-server:9.7.0:alpha6:*:*:*:node.js:*:*
Parseplatform Parse-Server
cpe:2.3:a:parseplatform:parse-server:9.7.0:alpha7:*:*:*:node.js:*:*
Parseplatform Parse-Server
cpe:2.3:a:parseplatform:parse-server:9.7.0:alpha8:*:*:*:node.js:*:*
Parseplatform Parse-Server
cpe:2.3:a:parseplatform:parse-server:9.7.0:alpha9:*:*:*:node.js:*:*