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CVE-2026-116164

Parse Server 9.0.0 before 9.10.4-alpha.3 Reserved Field Name Injection via Object Writes

MEDIUM

6.3

CVSS Score

Published: October 25, 2026 at 01:20 PM UTC

Updated: October 26, 2026 at 02:03 PM UTC

1 product affected across 1 vendorParse Server

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Severity

MEDIUM6.3

Exploit prediction

EPSS 0.3%

Description

Parse Server before 8.6.100 and 9.0.0 before 9.10.4-alpha.3 does not reject reserved internal field names in client object writes, allowing clients to store or clear internal fields. Attackers can write a reserved field that makes reads of an object fail on MongoDB, disrupting queries on that class for all users, or clear their own account lockout state and password history to bypass lockout and password policies.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Parse Server · Parse Communitynpm

90%

Vendor states this is fixed in 8.6.100 (unaffected)

Vendor states this is fixed in 9.10.4-alpha.3 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://github.com/parse-community/parse-server/security/advisories/GHSA-gwrq-q25v-g8mr

References (2)

Vendor Advisory

Source: cverecord

https://github.com/parse-community/parse-server/security/advisories/GHSA-gwrq-q25v-g8mr

Third Party Advisory

Source: cverecord

https://www.vulncheck.com/advisories/parse-server-9.0.0-before-9.10.4-alpha.3-reserved-field-name-injection-via-object-writes

CVSS

6.3MEDIUMVulnCheck

Vector?

Quick Info

StatusAWAITING ANALYSIS

CWE

CWE-20

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