Improper Authentication in Parse Server - CVE-2026-33042
Published: March 20, 2026
Vulnerability identifier: #VU124165
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-33042
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to empty authData bypasses credential requirement on signup. A remote attacker can create authenticated sessions without proper credentials.
Affected software
Parse Server
How to mitigate CVE-2026-33042
Install updates from vendor's website.
Parse Server - addressed in versions 8.6.49, 9.6.0 alpha.29