Flaw in ActiveMQ Artemis OpenWire support
Priority LOW 39CWE-284Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- Partial Red Hat: 2 fixed, 1 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-284.
Summary
While investigating ARTEMIS-2964 it was found that the creation of advisory messages in the OpenWire protocol head of Apache ActiveMQ Artemis 2.15.0 bypassed policy based access control for the entire session. Production of advisory messages was not subject to access control in error.
Why it matters now
EPSS 0.03859 90th percentileScored 2026-11-07
Fix Partial Apache ActiveMQ Artemis (Apache Software Foundation): 2.16.0org.apache.activemq:artemis-openwire-protocol (Maven): 2.16.0Red Hat: 2 advisoriesRed Hat: 2 fixed, 1 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Apache | Apache ActiveMQ Artemis | before 2.16.0 | 2.16.0 | Patch available | CNA |
| — | org.apache.activemq:artemis-openwire-protocol (Maven) | before 2.16.0 | 2.16.0 | Patch available | GHSA-q7fr-vqhq-v5xr |
- Apache ActiveMQ Artemis VendorApache Affected before 2.16.0 Fixed in 2.16.0 Patch available CNA
- org.apache.activemq:artemis-openwire-protocol (Maven) Vendor— Affected before 2.16.0 Fixed in 2.16.0 Patch available GHSA-q7fr-vqhq-v5xr
Remediation
- Fix · CNA Apache ActiveMQ Artemis (Apache Software Foundation) Fixed in 2.16.0
- Fix · GHSA-q7fr-vqhq-v5xr org.apache.activemq:artemis-openwire-protocol (Maven) Fixed in 2.16.0 Advisory →
Red Hat 2 advisories
- RHSA-2021:0417 Released 2021-02-04 · Red Hat rating ModerateRed Hat AMQ Broker 7.8.1 release and security update
- Red Hat AMQ 7.8.1
- RHSA-2020:5365 Released 2020-12-08 · Red Hat rating ModerateRed Hat AMQ Broker 7.8 release and security update
- Red Hat AMQ
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 | Affected | No fix yet |
| Red Hat AMQ | Fixed | RHSA-2020:5365 |
| Red Hat AMQ 7.8.1 | Fixed | RHSA-2021:0417 |
Timeline
- 2026-10-02 Threatist record created from CVE-2021-26118
- 2026-10-03 Alias added: GHSA-q7fr-vqhq-v5xr
- 2026-10-12 EPSS moved to the 50th–90th percentile
- 2026-10-12 Priority changed: MEDIUM → LOW
- 2026-10-23 EPSS moved to the 90th–95th percentile
References
Advisory 3
Other 5
- [announce] 20210127 CVE-2021-26118: Flaw in ActiveMQ Artemis OpenWire support
- https://github.com/apache/activemq-artemis/commit/e5566d52116d81611d914548adc3cbb14d7118d4
- https://github.com/apache/activemq-artemis
- https://lists.apache.org/thread.html/rafd5d7cf303772a0118865262946586921a65ebd98fc24f56c812574@%3Cannounce.apache.org%3E
- https://security.netapp.com/advisory/ntap-20210827-0002
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-2026-47754 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
Sources
- CVE-2021-26118 · CVE Program
- CVE-2021-26118 · NVD
- FIRST EPSS
- GHSA-q7fr-vqhq-v5xr · GitHub Advisory Database · CC BY 4.0
- CVE-2021-26118 · Red Hat security data · CC BY 4.0
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