parse-community parse-server up to 8.6.70/9.7.0 HTTP Range Request improper authorization

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k1.30

Summaryinfo

A vulnerability has been found in parse-community parse-server up to 8.6.70/9.7.0 and classified as critical. Affected by this vulnerability is an unknown functionality of the component HTTP Range Request Handler. The manipulation leads to improper authorization. This vulnerability is uniquely identified as CVE-2026-34784. The attack is possible to be carried out remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in parse-community parse-server up to 8.6.70/9.7.0 and classified as critical. This issue affects an unknown part of the component HTTP Range Request Handler. The manipulation with an unknown input leads to a improper authorization vulnerability. Using CWE to declare the problem leads to CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. Impacted is confidentiality. The summary by CVE is:

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.

The advisory is shared at github.com. The identification of this vulnerability is CVE-2026-34784 since 03/30/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1548.002 for this issue.

Upgrading to version 8.6.71 or 9.7.1-alpha.1 eliminates this vulnerability. Applying the patch 053109b3ee71815bc39ed84116c108ff9edbf337 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper authorization
CWE: CWE-285 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: parse-server 8.6.71/9.7.1-alpha.1
Patch: 053109b3ee71815bc39ed84116c108ff9edbf337

Timelineinfo

03/30/2026 CVE reserved
04/01/2026 +2 days Advisory disclosed
04/01/2026 +0 days VulDB entry created
04/01/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: GHSA-hpm8-9qx6-jvwv
Status: Confirmed

CVE: CVE-2026-34784 (🔒)
GCVE (CVE): GCVE-0-2026-34784
GCVE (VulDB): GCVE-100-354497

Entryinfo

Created: 04/01/2026 03:54
Changes: 04/01/2026 03:54 (70)
Complete: 🔍
Cache ID: 216:C85:103

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