CVE-2026-49364

Apache Artemis · Vulnerability

cve-program · severity unknownCVSS unknownCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-49364

Published

An unauthenticated network-adjacent attacker can leverage discovery to capture cluster administrative credentials during the initial cluster connection handshake. 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.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-49364

Published

org.apache.artemis:artemis-core-client

https://repo.maven.apache.org/maven2

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Apache Software Foundation",
                    "product": "Apache Artemis",
                    "collectionURL": "https://repo.maven.apache.org/maven2",
                    "packageName": "org.apache.artemis:artemis-core-client",
                    "packageURL": "pkg:maven/org.apache.artemis/artemis-core-client",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "2.50.0",
                            "lessThanOrEqual": "2.56.0",
                            "versionType": "semver"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }

org.apache.artemis:artemis-server

https://repo.maven.apache.org/maven2

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Apache Software Foundation",
                    "product": "Apache Artemis",
                    "collectionURL": "https://repo.maven.apache.org/maven2",
                    "packageName": "org.apache.artemis:artemis-server",
                    "packageURL": "pkg:maven/org.apache.artemis/artemis-server",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "2.50.0",
                            "lessThanOrEqual": "2.56.0",
                            "versionType": "semver"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }

org.apache.activemq:artemis-core-client

https://repo.maven.apache.org/maven2

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Apache Software Foundation",
                    "product": "Apache ActiveMQ Artemis",
                    "collectionURL": "https://repo.maven.apache.org/maven2",
                    "packageName": "org.apache.activemq:artemis-core-client",
                    "packageURL": "pkg:maven/org.apache.activemq/artemis-core-client",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "1.0.0",
                            "lessThanOrEqual": "2.44.0",
                            "versionType": "semver"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }

org.apache.activemq:artemis-server

https://repo.maven.apache.org/maven2

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Apache Software Foundation",
                    "product": "Apache ActiveMQ Artemis",
                    "collectionURL": "https://repo.maven.apache.org/maven2",
                    "packageName": "org.apache.activemq:artemis-server",
                    "packageURL": "pkg:maven/org.apache.activemq/artemis-server",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "1.0.0",
                            "lessThanOrEqual": "2.44.0",
                            "versionType": "semver"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }

Original source record · Cite this exact observation · Complete original publisher JSON