Resource exhaustion in Parse-Community Parse-Server
CVE-2026-30946
Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior 9.5.2-alpha.2 and 8.6.15, an unauthenticated attacker can exhaust Parse Server resources (CPU, memory, database connections) through crafted queries that exploit the lack of complexity limits in the REST and GraphQL APIs. All Parse Server deployments using the REST or GraphQL API are affected. This vulnerability is fixed in 9.5.2-alpha.2 and 8.6.15.
EPSS: 0.006 (43.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Parse-community Parse-server — versions < 8.6.15, >= 9.0.0 < 9.5.2-alpha.2
- Parseplatform Parse-server — versions 9.5.2
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Patch, Vendor Advisory)
- security-advisories@github.com (Product, x_refsource_MISC, Release Notes)
- security-advisories@github.com (Product, x_refsource_MISC, Release Notes)
Frequently asked questions
- What is CVE-2026-30946?
- CVE-2026-30946 is a high-severity vulnerability in Parse-Community Parse-Server, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2026-03-10.
- How severe is CVE-2026-30946?
- High severity. CVSS v3 base score is 7.5 out of 10.