CVE-2026-30946

Name: CVE-2026-30946
Creator: NVD / NIST
Published: 2026-03-10T21:16:47.333+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.7/10EPSS 0.56%

Last modified Jun 17, 2026

CVE-2026-30946 is a high-severity vulnerability rated 8.7/10 on the CVSS scale. 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. EPSS estimates a 0.56% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS 4.0

8.7/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.56%

42.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-770

Affected Software

Vendor	Product	Versions	Update
Parseplatform	Parse-Server	< 8.6.15	—
Parseplatform	Parse-Server	>= 9.0.0, < 9.5.2	—
Parseplatform	Parse-Server	9.5.2	Alpha1

References

https://github.com/parse-community/parse-server/releases/tag/8.6.15Product, Release Notes
https://github.com/parse-community/parse-server/releases/tag/9.5.2-alpha.2Product, Release Notes
https://github.com/parse-community/parse-server/security/advisories/GHSA-cmj3-wx7h-ffvgPatch, Vendor Advisory

Timeline

Published: Mar 10, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-30946?

How severe is CVE-2026-30946?

CVE-2026-30946 has a CVSS score of 8.7/10 (HIGH severity). The EPSS model estimates a 0.56% probability of exploitation in the next 30 days.

How do I fix CVE-2026-30946?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-30946?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST