SB2026063049 - Information disclosure in Parse Server

Description

This security bulletin contains information about 1 vulnerability.

1) Information disclosure (CVE-ID: CVE-2026-53725)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a remote user to disclose sensitive information.

The vulnerability exists due to exposure of sensitive information in the /login and /verifyPassword endpoints when re-fetching the user through the access-controlled query pipeline after successful password verification. A remote user can submit valid username and password credentials to disclose sensitive information.

Only applications that enable MFA and deny get access on the _User class via class-level permissions are affected. When protectedFieldsOwnerExempt is false, fields hidden by protectedFields may also be exposed. The /verifyPassword endpoint can return MFA TOTP secrets and recovery codes without requiring a session or MFA token.

Remediation

Install update from vendor's website.

References

• https://github.com/parse-community/parse-server/security/advisories/GHSA-75v4-m273-5j49
• https://github.com/parse-community/parse-server/pull/10492