GHSA-9v98-6g37-x9g6Published

deepstream is vulnerable to prototype pollution

Exact source revision recorded 24 Oct 2026 13:17:17 UTC. It does not establish the source's current position. Latest evidence.

Recorded JSON

osv · GHSA-9v98-6g37-x9g6

Published

### Impact Prototype pollution in deepstream server v <=10.0.4. Potential privilege escalation from any authenticated user with write permission to any record. ### Patches Yes, upgrade to v10.0.5 ### Workarounds Filter out all messages containing the path `__proto__`, `constructor`, `prototype`, **before they reach the server's message pipeline**

Source published: 26 Jun 2026 21:03:59 UTC
Source modified: 10 Sep 2026 03:50:55 UTC
Observed here: 24 Oct 2026 13:17:17 UTC
Source terms: GitHub Advisory Database · CC-BY-4.0

Original source record · Cite this exact observation · Complete original publisher JSON

This view projects the publisher's source fields for reading; the original JSON retains additional fields and CVE enrichment containers. Attribution: osv · GitHub Advisory Database · CC-BY-4.0. Source text is retained; field grouping and change labels are provided by ChangeIntel.

CVSS_V3 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L

Publisher rating · CRITICAL