deepstream is a server that allows clients and backend services to sync data, send messages and make rpcs at scale. Versions prior to 10.0.5 are vulnerable to Prototype Pollution. Exploitation can lead to potential privilege escalation from any authenticated user with write permission to any record. This issue has been fixed in version 10.0.5.

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Advisories
Source ID Title
Github GHSA Github GHSA GHSA-9v98-6g37-x9g6 deepstream is vulnerable to prototype pollution
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Mon, 22 Jun 2026 16:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Sun, 21 Jun 2026 09:45:00 +0000

Type Values Removed Values Added
First Time appeared Deepstreamio
Deepstreamio deepstream.io
Vendors & Products Deepstreamio
Deepstreamio deepstream.io

Thu, 18 Jun 2026 20:30:00 +0000

Type Values Removed Values Added
Description deepstream is a server that allows clients and backend services to sync data, send messages and make rpcs at scale. Versions prior to 10.0.5 are vulnerable to Prototype Pollution. Exploitation can lead to potential privilege escalation from any authenticated user with write permission to any record. This issue has been fixed in version 10.0.5.
Title deepstream is vulnerable to prototype pollution
Weaknesses CWE-1321
References
Metrics cvssV3_1

{'score': 9.9, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-06-22T15:11:26.795Z

Reserved: 2026-05-28T14:33:01.179Z

Link: CVE-2026-49252

cve-icon Vulnrichment

Updated: 2026-06-22T15:11:03.800Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-20T22:55:44Z

Weaknesses