VulnerabilityAnalyzed

CVE-2026-32742

This allows bypassing the server's session expiration policy by setting an arbitrary far-future expiration date.

MEDIUM 4.3EPSS 0.31%

Does this matter?

Lower severity and a low EPSS score (0.31%). Track it; it rarely justifies an emergency change on its own.

Description

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.6.0-alpha.17 and 8.6.42, an authenticated user can overwrite server-generated session fields (`sessionToken`, `expiresAt`, `createdWith`) when creating a session object via `POST /classes/_Session`. This allows bypassing the server's session expiration policy by setting an arbitrary far-future expiration date. It also allows setting a predictable session token value. Starting in version 9.6.0-alpha.17 and 8.6.42, the session creation endpoint filters out server-generated fields from user-supplied data, preventing them from being overwritten. As a workaround, add a `beforeSave` trigger on the `_Session` class to validate and reject or strip any user-supplied values for `sessionToken`, `expiresAt`, and `createdWith`.

CVSS 3.1: 4.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
EPSS: 0.31% probability · 23th percentile
CISA KEV: Not listed
Weakness: CWE-915
Affected: parseplatform/parse-server
Source: security-advisories@github.com

References

https://github.com/parse-community/parse-server/pull/10195Issue Tracking
https://github.com/parse-community/parse-server/pull/10196Issue Tracking
https://github.com/parse-community/parse-server/security/advisories/GHSA-5v7g-9h8f-8pggVendor Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.