Input validation error in Parse Server - CVE-2026-32770
Published: March 20, 2026
Vulnerability identifier: #VU124168
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-32770
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Parse Community
Affected software:
Parse Server
Parse Server
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can subscribe to a LiveQuery with an invalid regular expression pattern and perform a denial of service (DoS) attack.
How to mitigate CVE-2026-32770
Install updates from vendor's website.