Race condition in Parse Server - #VU152830
Published: September 29, 2026
Vulnerability identifier: #VU152830
CSH Severity: Medium
CVSS v4: 8.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-362
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper handling of transactional batch requests. A remote attacker can exploit the race and cause the transaction to block indefinitely and prevent subsequent write requests from being processed.
Affected software
Parse Server
Remediation
Install updates from vendor's website.
Parse Server - addressed in versions 8.6.96, 9.10.2 alpha.5