Vulnerability in Parse-community Parse-server
CVE-2026-34373
Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.66 and 9.7.0-alpha.10, the GraphQL API endpoint does not respect the allowOrigin server option and unconditionall…
EPSS: 0.002 (10.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Parse-community Parse-server — versions < 8.6.66, >= 9.0.0, < 9.7.0-alpha.10
- Parseplatform Parse-server — versions 9.7.0
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Patch, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC, Issue Tracking)
- security-advisories@github.com (Patch, x_refsource_MISC, Issue Tracking)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Patch, x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-34373?
- CVE-2026-34373 is a high-severity vulnerability in Parse-community Parse-server, classified under Origin Validation Error. CVSS score: 8.8/10. Published 2026-03-31.
- How severe is CVE-2026-34373?
- High severity. CVSS v3 base score is 8.8 out of 10.