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CVE-2026-34784

Parse Server: Streaming file download bypasses afterFind file trigger authorization

Published: Mar 31, 2026Updated: Apr 1, 2026 Sources: CVE List NVDCWE-285
NVD MITRE
7.5CVSSHIGH
EPSS Score
0.4%
Top 70.6%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.71 and 9.7.1-alpha.1, file downloads via HTTP Range requests bypass the afterFind(Parse.File) trigger and its validators on storage adapters that support streaming (e.g. the default GridFS adapter). This allows access to files that should be protected by afterFind trigger authorization logic or built-in validators such as requireUser. This issue has been patched in versions 8.6.71 and 9.7.1-alpha.1.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:NA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:NIntegrity
None
A:NAvailability
None
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Weaknesses

CWE-285

Affected Products

parse-serverparse-community
LibraryLibrary
OSS Libraries / npm
parse-serverparseplatform
LibraryLibrary
OSS Libraries / generic-library
parse-communityoss-projectOSS Librariesaka parse, parse server, parse-server
parseplatformoss-projectOSS Librariesaka parse platform

Exploitability

Official Patch Available
Workaround Available

References

https://github.com/parse-community/parse-server/security/advisories/GHSA-hpm8-9qx6-jvwv
github.com
https://github.com/parse-community/parse-server/pull/10361
github.com
https://github.com/parse-community/parse-server/pull/10362
github.com
and 2 more references View all →

Timeline

Published
Mar 31, 2026
Last Updated
Apr 1, 2026

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