CVE-2026-49364: CWE-306 Missing authentication for critical function in Apache Software Foundation Apache Artemis
CVE-2026-49364 is a vulnerability in Apache Artemis and Apache ActiveMQ Artemis where an unauthenticated network-adjacent attacker can capture cluster administrative credentials during the initial cluster connection handshake. This affects Apache Artemis versions from 2.50.0 through 2.56.0 and Apache ActiveMQ Artemis versions from 1.0.0 through 2.44.0. The issue is fixed in version 2.57.0. No CVSS score is available for this vulnerability.
AI Analysis
Technical Summary
This vulnerability (CWE-306) in Apache Artemis and Apache ActiveMQ Artemis allows an unauthenticated attacker on the network to leverage the discovery process to capture cluster administrative credentials during the initial cluster connection handshake. The affected versions are Apache Artemis from 2.50.0 through 2.56.0 and Apache ActiveMQ Artemis from 1.0.0 through 2.44.0. The vendor recommends upgrading to version 2.57.0, which addresses this issue.
Potential Impact
An unauthenticated attacker can obtain cluster administrative credentials, potentially allowing unauthorized access to cluster administrative functions. This could lead to unauthorized control or disruption of the cluster. The vulnerability affects multiple versions of Apache Artemis and Apache ActiveMQ Artemis prior to 2.57.0.
Mitigation Recommendations
Users should upgrade to Apache Artemis version 2.57.0 or later, which fixes this vulnerability. No other mitigation or temporary fix is indicated in the available data.
CVE-2026-49364: CWE-306 Missing authentication for critical function in Apache Software Foundation Apache Artemis
Description
CVE-2026-49364 is a vulnerability in Apache Artemis and Apache ActiveMQ Artemis where an unauthenticated network-adjacent attacker can capture cluster administrative credentials during the initial cluster connection handshake. This affects Apache Artemis versions from 2.50.0 through 2.56.0 and Apache ActiveMQ Artemis versions from 1.0.0 through 2.44.0. The issue is fixed in version 2.57.0. No CVSS score is available for this vulnerability.
Affected software
pkg:maven/Apache Software Foundation/org.apache.artemis:artemis-core-clientpkg:maven/Apache Software Foundation/org.apache.artemis:artemis-serverpkg:maven/Apache Software Foundation/org.apache.activemq:artemis-core-clientpkg:maven/Apache Software Foundation/org.apache.activemq:artemis-serverRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CWE-306) in Apache Artemis and Apache ActiveMQ Artemis allows an unauthenticated attacker on the network to leverage the discovery process to capture cluster administrative credentials during the initial cluster connection handshake. The affected versions are Apache Artemis from 2.50.0 through 2.56.0 and Apache ActiveMQ Artemis from 1.0.0 through 2.44.0. The vendor recommends upgrading to version 2.57.0, which addresses this issue.
Potential Impact
An unauthenticated attacker can obtain cluster administrative credentials, potentially allowing unauthorized access to cluster administrative functions. This could lead to unauthorized control or disruption of the cluster. The vulnerability affects multiple versions of Apache Artemis and Apache ActiveMQ Artemis prior to 2.57.0.
Mitigation Recommendations
Users should upgrade to Apache Artemis version 2.57.0 or later, which fixes this vulnerability. No other mitigation or temporary fix is indicated in the available data.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apache
- Date Reserved
- 2026-05-29T16:34:41.640Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6aa24233acd9273b499d7f50
Added to database: 09/10/2026, 05:37:55 UTC
Last enriched: 09/10/2026, 05:52:54 UTC
Last updated: 09/10/2026, 06:10:12 UTC
Views: 5
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.