Home/CVE/Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior 9.5.2-alph
CVE

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-alph

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.

HIGH · CVSS 7.5 EPSS 0.00022
Schedule remediation
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-770Allocation of Resources Without Limits or Throttling
▤

Affected Products & Versions

3
parseplatform parse-server< 8.6.15
parseplatform parse-server>= 9.0.0 and < 9.5.2
parseplatform parse-serverall versions
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
npm parse-server HIGH fixed in 8.6.15
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · security-advisories@github.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD10 Mar 2026 · 09:16 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/parse-community/parse-server/releases/tag/8.6.15ProductRelease Notes
https://github.com/parse-community/parse-server/releases/tag/9.5.2-alpha.2ProductRelease Notes
https://github.com/parse-community/parse-server/security/advisories/GHSA-cmj3-wx7h-ffvgPatchVendor Advisory
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