Missing authentication in Apache Artemis
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat. Impact type from CWE-306.
Summary
A remote attacker can craft an Openwire RemoveSubscriptionInfo command to cause the deletion of a queue on the Artemis broker before the connection authentication and authorization stage or at any time thereafter. This issue affects Apache Artemis: from 2.50.0 through 2.56.0; Apache ActiveMQ Artemis: from 1.0.0 through 2.44.0. Users are recommended to upgrade to version 2.57.0, which fixes the issue.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Apache | Apache Artemis | 2.50.0 – 2.56.0 | — | No fix listed | CNA |
| Apache | Apache Artemis | 2.50.0 – 2.56.0 | — | No fix listed | CNA |
| Apache | Apache ActiveMQ Artemis | 1.0.0 – 2.44.0 | — | No fix listed | CNA |
| Apache | Apache ActiveMQ Artemis | 2.32.0 – 2.44.0 | — | No fix listed | CNA |
- Apache Artemis VendorApache Affected 2.50.0 – 2.56.0 Fixed in — No fix listed CNA
- Apache Artemis VendorApache Affected 2.50.0 – 2.56.0 Fixed in — No fix listed CNA
- Apache ActiveMQ Artemis VendorApache Affected 1.0.0 – 2.44.0 Fixed in — No fix listed CNA
- Apache ActiveMQ Artemis VendorApache Affected 2.32.0 – 2.44.0 Fixed in — No fix listed CNA
Remediation
Red Hat 2 advisories
- RHSA-2026:66545 Released 2026-09-10 · Red Hat rating ImportantRed Hat AMQ Broker 7.13.6 release and security update
- Red Hat AMQ Broker 7.13.6
- RHSA-2026:66488 Released 2026-09-10 · Red Hat rating ImportantRed Hat AMQ Broker 7.14.1 release and security update
- Red Hat AMQ Broker 7.14.1
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat AMQ Broker 7.13.6 | Fixed | RHSA-2026:66545 |
| Red Hat AMQ Broker 7.14.1 | Fixed | RHSA-2026:66488 |
Not affected: 4 products
- Red Hat JBoss Enterprise Application Platform 7
- Red Hat JBoss Enterprise Application Platform 8
- Red Hat JBoss Enterprise Application Platform Expansion Pack
- Red Hat build of Apache Camel for Spring Boot 4
Timeline
- 2026-10-02 Threatist record created from CVE-2026-67593
- 2026-10-03 Alias added: GHSA-59p6-j354-3gpj
References
More Apache Artemis vulnerabilities
- TI-2026-21857 Apache Artemis, Apache ActiveMQ Artemis: Auth bypass for Core downstream federation CVSS 4.0CRITICAL 9.3
- TI-2023-27710 Apache ActiveMQ Artemis: Authenticated users could perform RCE via Jolokia MBeans CVSS 3.1HIGH 8.8
- TI-2026-41732 Apache Artemis, Apache ActiveMQ Artemis: Missing authentication on CORE protocol session reattachment CVSS 3.1CRITICAL 9.8
- TI-2026-36537 Missing authentication in Apache Artemis CVSS 3.1CRITICAL 9.1
- TI-2021-08067 ActiveMQ: LDAP-Authentication does not verify passwords on servers with anonymous bind CVSS 3.1HIGH 7.5
- TI-2017-08964 Uncontrolled resource consumption in Red Hat HornetQ/Artemis CVSS 3.1HIGH 7.5
Sources
- CVE-2026-67593 · CVE Program
- CVE-2026-67593 · NVD
- FIRST EPSS
- GHSA-59p6-j354-3gpj · GitHub Advisory Database · CC BY 4.0
- CVE-2026-67593 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences