Vulnerability-Lookup

CVE-2026-49364 (GCVE-0-2026-49364)

Vulnerability from cvelistv5 – Published: 2026-09-10 04:49 – Updated: 2026-09-10 15:54

Title

Apache Artemis, Apache Artemis, Apache ActiveMQ Artemis, Apache ActiveMQ Artemis: Pre-Authentication Cluster Credential Exposure to Discovered Peers

Summary

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.

Severity

9.1 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

SSVC

Exploitation: none Automatable: yes Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-10 15:54 UTC

CWE

CWE-306 - Missing authentication for critical function

Assigner

apache CNA under the mitre root

CNA scorecard B 76/100 over 1078 records in the last 180 days details

References

2 references

URL	Tags
https://lists.apache.org/thread/4qbgcz3k38q30bfbf…	vendor-advisory
http://www.openwall.com/lists/oss-security/2026/09/10/3

Impacted products

2 products

Vendor	Product	Version	CPE status
Apache Software Foundation	Apache Artemis	Affected: 2.50.0 , ≤ 2.56.0 (semver)	guessed
Apache Software Foundation	Apache ActiveMQ Artemis	Affected: 1.0.0 , ≤ 2.44.0 (semver)	guessed

Credits

Domenico Francesco Bruscino

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-49364

Vulnerability from fkie_nvd - Published: 2026-09-10 05:17 - Updated: 2026-09-16 01:10

Severity

9.1 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Summary

References

	URL	Tags
	security@apache.org	https://lists.apache.org/thread/4qbgcz3k38q30bfbf7hphtomrdc8l8n8	Mailing List, Vendor Advisory
	af854a3a-2127-422b-91ae-364da2661108	http://www.openwall.com/lists/oss-security/2026/09/10/3	Mailing List, Third Party Advisory

Impacted products

	Vendor	Product	Version
	apache	artemis	*
	apache	artemis	*

JSON

To clipboard

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          "defaultStatus": "unaffected",
          "packageName": "org.apache.artemis:artemis-core-client",
          "packageURL": "pkg:maven/org.apache.artemis/artemis-core-client",
          "product": "Apache Artemis",
          "vendor": "Apache Software Foundation",
          "versions": [
            {
              "lessThanOrEqual": "2.56.0",
              "status": "affected",
              "version": "2.50.0",
              "versionType": "semver"
            }
          ]
        },
        {
          "collectionURL": "https://repo.maven.apache.org/maven2",
          "defaultStatus": "unaffected",
          "packageName": "org.apache.artemis:artemis-server",
          "packageURL": "pkg:maven/org.apache.artemis/artemis-server",
          "product": "Apache Artemis",
          "vendor": "Apache Software Foundation",
          "versions": [
            {
              "lessThanOrEqual": "2.56.0",
              "status": "affected",
              "version": "2.50.0",
              "versionType": "semver"
            }
          ]
        },
        {
          "collectionURL": "https://repo.maven.apache.org/maven2",
          "defaultStatus": "unaffected",
          "packageName": "org.apache.activemq:artemis-core-client",
          "packageURL": "pkg:maven/org.apache.activemq/artemis-core-client",
          "product": "Apache ActiveMQ Artemis",
          "vendor": "Apache Software Foundation",
          "versions": [
            {
              "lessThanOrEqual": "2.44.0",
              "status": "affected",
              "version": "1.0.0",
              "versionType": "semver"
            }
          ]
        },
        {
          "collectionURL": "https://repo.maven.apache.org/maven2",
          "defaultStatus": "unaffected",
          "packageName": "org.apache.activemq:artemis-server",
          "packageURL": "pkg:maven/org.apache.activemq/artemis-server",
          "product": "Apache ActiveMQ Artemis",
          "vendor": "Apache Software Foundation",
          "versions": [
            {
              "lessThanOrEqual": "2.44.0",
              "status": "affected",
              "version": "1.0.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "security@apache.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:apache:artemis:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "B6E3F972-3247-4504-AFD9-833891228040",
              "versionEndExcluding": "2.44.0",
              "versionStartIncluding": "1.0.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:apache:artemis:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "A41D89AC-2573-4270-9C7C-21D85E1096FE",
              "versionEndExcluding": "2.57.0",
              "versionStartIncluding": "2.50.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An unauthenticated network-adjacent attacker can leverage discovery to capture cluster administrative credentials during the initial cluster connection handshake.\n\nThis issue affects Apache Artemis: from 2.50.0 through 2.56.0; Apache ActiveMQ Artemis: from 1.0.0 through 2.44.0.\n\n\n\nUsers are recommended to upgrade to version 2.57.0, which fixes the issue."
    }
  ],
  "id": "CVE-2026-49364",
  "lastModified": "2026-09-16T01:10:31.487",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 9.1,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.2,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-49364",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-09-10T15:54:10.664215Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-09-10T05:17:01.230",
  "references": [
    {
      "source": "security@apache.org",
      "tags": [
        "Mailing List",
        "Vendor Advisory"
      ],
      "url": "https://lists.apache.org/thread/4qbgcz3k38q30bfbf7hphtomrdc8l8n8"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://www.openwall.com/lists/oss-security/2026/09/10/3"
    }
  ],
  "sourceIdentifier": "security@apache.org",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-306"
        }
      ],
      "source": "security@apache.org",
      "type": "Secondary"
    }
  ]
}

GHSA-FJWP-V5XG-5Q39

Vulnerability from github – Published: 2026-09-10 06:31 – Updated: 2026-09-10 18:31

Details

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.

Severity

9.1 (Critical)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-49364"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-306"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-10T05:17:01Z",
    "severity": "CRITICAL"
  },
  "details": "An unauthenticated network-adjacent attacker can leverage discovery to capture cluster administrative credentials during the initial cluster connection handshake.\n\nThis issue affects Apache Artemis: from 2.50.0 through 2.56.0; Apache ActiveMQ Artemis: from 1.0.0 through 2.44.0.\n\n\n\nUsers are recommended to upgrade to version 2.57.0, which fixes the issue.",
  "id": "GHSA-fjwp-v5xg-5q39",
  "modified": "2026-09-10T18:31:39Z",
  "published": "2026-09-10T06:31:44Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-49364"
    },
    {
      "type": "WEB",
      "url": "https://lists.apache.org/thread/4qbgcz3k38q30bfbf7hphtomrdc8l8n8"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2026/09/10/3"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
      "type": "CVSS_V3"
    }
  ]
}

RHSA-2026:66488

Vulnerability from csaf_redhat - Published: 2026-09-10 16:34 - Updated: 2026-10-27 04:28

Summary

Red Hat Security Advisory: Red Hat AMQ Broker 7.14.1 release and security update

Severity

Important

Scope

67 vulnerabilities in this advisory, including CVE-2026-49364.

CVE-2026-49364

Artemis and JGroups lack of access controls in certain situations can allow an attacker to spoof a password request in JGroups and subsequently gain access to the cluster. This allows the attacker manage-level authority for provided messaging and queue operations.

8.0 (High)


                
                  CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Fixed: 1 product

https://access.redhat.com/errata/RHSA-2026:66488

Open the full advisory

RHSA-2026:66545

Vulnerability from csaf_redhat - Published: 2026-09-10 23:22 - Updated: 2026-10-27 04:28

Summary

Red Hat Security Advisory: Red Hat AMQ Broker 7.13.6 release and security update

Severity

Important

Scope

59 vulnerabilities in this advisory, including CVE-2026-49364.

CVE-2026-49364

8.0 (High)


                
                  CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Fixed: 1 product

https://access.redhat.com/errata/RHSA-2026:66545

Open the full advisory

RHSA-2026:67603

Vulnerability from csaf_redhat - Published: 2026-09-15 14:41 - Updated: 2026-10-20 14:19

Summary

Red Hat Security Advisory: Red Hat JBoss Enterprise Application Platform 7.4.25 security update

Severity

Important

Scope

5 vulnerabilities in this advisory, including CVE-2026-49364.

CVE-2026-49364

8.0 (High)


                
                  CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Fixed: 1 product Known not affected: 2188 products

https://access.redhat.com/errata/RHSA-2026:67603

Open the full advisory

RHSA-2026:67604

Vulnerability from csaf_redhat - Published: 2026-09-15 15:04 - Updated: 2026-10-20 14:19

Summary

Red Hat Security Advisory: Red Hat JBoss Enterprise Application Platform 7.4.25 security update

Severity

Important

Scope

5 vulnerabilities in this advisory, including CVE-2026-49364.

CVE-2026-49364

8.0 (High)


                
                  CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Fixed: 116 products

https://access.redhat.com/errata/RHSA-2026:67604

Open the full advisory

RHSA-2026:70228

Vulnerability from csaf_redhat - Published: 2026-09-22 13:04 - Updated: 2026-10-26 11:21

Summary

Red Hat Security Advisory: Red Hat JBoss Enterprise Application Platform 8.1.8 security update

Severity

Important

Scope

36 vulnerabilities in this advisory, including CVE-2026-49364.

CVE-2026-49364

8.0 (High)


                
                  CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Fixed: 148 products

https://access.redhat.com/errata/RHSA-2026:70228

Open the full advisory

RHSA-2026:70229

Vulnerability from csaf_redhat - Published: 2026-09-22 13:03 - Updated: 2026-10-26 11:21

Summary

Red Hat Security Advisory: Red Hat JBoss Enterprise Application Platform 8.1.8 security update

Severity

Important

Scope

35 vulnerabilities in this advisory, including CVE-2026-49364.

CVE-2026-49364

8.0 (High)


                
                  CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Fixed: 148 products

https://access.redhat.com/errata/RHSA-2026:70229

Open the full advisory

RHSA-2026:70230

Vulnerability from csaf_redhat - Published: 2026-09-22 13:04 - Updated: 2026-10-26 11:21

Summary

Red Hat Security Advisory: Red Hat JBoss Enterprise Application Platform 8.1.8 security update

Severity

Important

Scope

35 vulnerabilities in this advisory, including CVE-2026-49364.

CVE-2026-49364

8.0 (High)


                
                  CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Fixed: 147 products

https://access.redhat.com/errata/RHSA-2026:70230

Open the full advisory

RHSA-2026:70277

Vulnerability from csaf_redhat - Published: 2026-09-22 15:35 - Updated: 2026-10-26 11:21

Summary

Red Hat Security Advisory: Red Hat JBoss Enterprise Application Platform 8.1.8 security update

Severity

Important

Scope

38 vulnerabilities in this advisory, including CVE-2026-49364.

CVE-2026-49364

8.0 (High)


                
                  CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Fixed: 1 product Known not affected: 2526 products

https://access.redhat.com/errata/RHSA-2026:70277

Open the full advisory

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

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CVE-2026-49364 (GCVE-0-2026-49364)

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