SB2026033040 - Origin validation error in Parse Server
Published: March 30, 2026
Security Bulletin ID
SB2026033040
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Origin validation error (CVE-ID: CVE-2026-34373)
CWE-ID: CWE-346 - Origin Validation Error
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to the GraphQL API endpoint ignores CORS origin restriction. A remote attacker can gain access to sensitive information on the system.
Remediation
Install update from vendor's website.