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TI-2026-36536 Aliases CVE-2026-49363GHSA-68p5-g7wf-vrwp

Missing authentication in Apache Artemis

Priority MEDIUM 40CWE-306Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · None · None
Fix status
Partial Red Hat: 6 fixed, 3 without a fix

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat. Impact type from CWE-306.

Summary

An unauthenticated remote attacker connecting with the CORE protocol can discover cluster node details by sending a SUBSCRIBE_TOPOLOGY request prior to authentication. 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

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00804 56th percentileScored 2026-11-07
Fix Partial Red Hat: 6 advisoriesRed Hat: 6 fixed, 3 without a fix

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

VendorProductAffected versionsFixed inStatusSource
ApacheApache Artemis2.50.0 – 2.56.0—No fix listedCNA
ApacheApache ActiveMQ Artemis1.0.0 – 2.44.0—No fix listedCNA
  • 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

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:apache:artemis:*:*:*:*:*:*:*:*1.0.0 to before 2.44.0; 2.50.0 to before 2.57.0VulnerableApache
  • cpe:2.3:a:apache:artemis:*:*:*:*:*:*:*:* Versions 1.0.0 to before 2.44.0; 2.50.0 to before 2.57.0 Vulnerable ·Apache

Remediation

Red Hat 6 advisories

  • RHSA-2026:70277 Released 2026-09-22 · Red Hat rating Important
    Red Hat JBoss Enterprise Application Platform 8.1.8 security update
    • Red Hat JBoss Enterprise Application Platform 8.1.8.GA com.fasterxml.jackson.core.jackson-core-2.18.9.redhat-00003.jar, com.fasterxml.jackson.core.jackson-databind-2.18.9.redhat-00003.jar, io.netty.netty-codec-4.1.136.Final-redhat-00001.jar +17
  • RHSA-2026:70230 Released 2026-09-22 · Red Hat rating Important
    Red Hat JBoss Enterprise Application Platform 8.1.8 security update
    • Red Hat JBoss EAP 8.1 for RHEL 10 eap8-activemq-artemis-2.40.0-8.redhat_00024.1.el10eap, eap8-activemq-artemis-cli-2.40.0-8.redhat_00024.1.el10eap, eap8-activemq-artemis-commons-2.40.0-8.redhat_00024.1.el10eap +47
  • RHSA-2026:70228 Released 2026-09-22 · Red Hat rating Important
    Red Hat JBoss Enterprise Application Platform 8.1.8 security update
    • Red Hat JBoss EAP 8.1 for RHEL 8 eap8-activemq-artemis-2.40.0-8.redhat_00024.1.el8eap, eap8-activemq-artemis-cli-2.40.0-8.redhat_00024.1.el8eap, eap8-activemq-artemis-commons-2.40.0-8.redhat_00024.1.el8eap +47
Show 3 more Red Hat advisories
  • RHSA-2026:70229 Released 2026-09-22 · Red Hat rating Important
    Red Hat JBoss Enterprise Application Platform 8.1.8 security update
    • Red Hat JBoss EAP 8.1 for RHEL 9 eap8-activemq-artemis-2.40.0-8.redhat_00024.1.el9eap, eap8-activemq-artemis-cli-2.40.0-8.redhat_00024.1.el9eap, eap8-activemq-artemis-commons-2.40.0-8.redhat_00024.1.el9eap +47
  • RHSA-2026:66545 Released 2026-09-10 · Red Hat rating Important
    Red 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 Important
    Red Hat AMQ Broker 7.14.1 release and security update
    • Red Hat AMQ Broker 7.14.1

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat JBoss Enterprise Application Platform 7AffectedNo fix yet: Fix deferred
Red Hat JBoss Enterprise Application Platform 8AffectedNo fix yet: Fix deferred
Red Hat JBoss Enterprise Application Platform Expansion PackAffectedNo fix yet: Fix deferred
Red Hat AMQ Broker 7.13.6Fixed RHSA-2026:66545
Red Hat AMQ Broker 7.14.1Fixed RHSA-2026:66488
Red Hat JBoss EAP 8.1 for RHEL 10Fixed RHSA-2026:70230
Red Hat JBoss EAP 8.1 for RHEL 8Fixed RHSA-2026:70228
Red Hat JBoss EAP 8.1 for RHEL 9Fixed RHSA-2026:70229
Red Hat JBoss Enterprise Application Platform 8.1.8.GAFixed RHSA-2026:70277
Not affected: 3 products
  • Red Hat Fuse 7
  • Red Hat JBoss Enterprise Application Platform 8.1.8.GA
  • Red Hat build of Apache Camel for Spring Boot 4

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-49363
  2. 2026-10-03 Alias added: GHSA-68p5-g7wf-vrwp
  3. 2026-10-09 Fix available: RHSA-2026:70277 · Red Hat
  4. 2026-10-16 Fix available: Red Hat JBoss Enterprise Application Platform 8.1 · Red Hat
  5. 2026-10-21 Fix available: Red Hat JBoss Enterprise Application Platform 8.1.8.GA · Red Hat

References

Advisory 2

  • 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
See all 21 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences