---
title: "CVE-2026-63116: Deepstream - Broken Access Control"
description: "Deepstream 10.1.0 to 10.1.1 contains a broken access control caused by omission of RECORD_ACTION.PATCH_MULTI in RULES_MAP, letting authenticated users modify arbitrary protected records, exploit requires authenticated user."
url: https://panop.io/threat-heartbeat/CVE-2026-63116/
---

# CVE-2026-63116 Deepstream - Broken Access Control

Deepstream 10.1.0 to 10.1.1 contains a broken access control caused by omission of RECORD\_ACTION.PATCH\_MULTI in RULES\_MAP, letting authenticated users modify arbitrary protected records, exploit requires authenticated user.

CVSS base score 8.8 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.51% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-63116)

## Details

Type

Broken Access Control

Impact

Data Tampering, Denial Of Service

CVSS vector

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

Published

21 September 2026

Updated

15 October 2026

Weakness

[CWE-862](https://cwe.mitre.org/data/definitions/862.html)

## Vendor fix

Update to version 10.1.1 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-63116](https://nvd.nist.gov/vuln/detail/CVE-2026-63116)
- [https://github.com/deepstreamIO/deepstream.io/commit/1c2adde6581c53ef47e204364bc740bc3c2e2e2a](https://github.com/deepstreamIO/deepstream.io/commit/1c2adde6581c53ef47e204364bc740bc3c2e2e2a)
- [https://github.com/deepstreamIO/deepstream.io/releases/tag/v10.1.1](https://github.com/deepstreamIO/deepstream.io/releases/tag/v10.1.1)
- [https://github.com/deepstreamIO/deepstream.io/security/advisories/GHSA-89vx-jh4q-vg3w](https://github.com/deepstreamIO/deepstream.io/security/advisories/GHSA-89vx-jh4q-vg3w)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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