Prototype pollution in Parse Server - CVE-2026-32886
Published: March 20, 2026
Vulnerability identifier: #VU124167
CSH Severity: Medium
CVSS v4: 8.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-32886
CWE-ID: CWE-1321
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to improper input validation within cloud function endpoint. A remote attacker can perform a denial of service (DoS) attack.
Affected software
Parse Server
How to mitigate CVE-2026-32886
Install updates from vendor's website.
Parse Server - addressed in versions 8.6.47, 9.6.0 alpha.24