---
title: "CVE-2026-67593: Apache Artemis - Broken Access Control"
description: "Apache Artemis 2.50.0 through 2.56.0 and Apache ActiveMQ Artemis 1.0.0 through 2.44.0 contain a broken access control vulnerability caused by improper authorization in Openwire RemoveSubscriptionInfo command, letting remote attackers delete queues before or after authentication, exploit requires network access."
url: https://panop.io/threat-heartbeat/CVE-2026-67593/
---

# CVE-2026-67593 Apache Artemis - Broken Access Control

Apache Artemis 2.50.0 through 2.56.0 and Apache ActiveMQ Artemis 1.0.0 through 2.44.0 contain a broken access control vulnerability caused by improper authorization in Openwire RemoveSubscriptionInfo command, letting remote attackers delete queues before or after authentication, exploit requires network access.

CVSS base score 9.1 /10

Critical

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.86% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-67593)

## Details

Type

Broken Access Control

Impact

Denial Of Service, Broken Access Control

CVSS vector

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

Published

10 September 2026

Updated

15 October 2026

Weakness

[CWE-306](https://cwe.mitre.org/data/definitions/306.html)

## Vendor fix

Upgrade to version 2.57.0.

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-2026-67593](https://nvd.nist.gov/vuln/detail/CVE-2026-67593)
- [http://www.openwall.com/lists/oss-security/2026/09/10/6](http://www.openwall.com/lists/oss-security/2026/09/10/6)
- [https://lists.apache.org/thread/zlglnsg8s5xv8n56d15dm5mf00h2d8xs](https://lists.apache.org/thread/zlglnsg8s5xv8n56d15dm5mf00h2d8xs)

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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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