Vulnerability-Lookup

CVE-2026-67406 (GCVE-0-2026-67406)

Vulnerability from cvelistv5 – Published: 2026-09-25 16:34 – Updated: 2026-09-25 17:00

Title

RabbitMQ: Federation and Shovel Gen-Servers Lack format_status Callback — Plaintext Credentials Exposed in Crash Dumps and sys:get_status

Summary

RabbitMQ is a messaging and streaming broker. From 4.0.0 until 4.3.3, 4.2.9, 4.1.14, and 4.0.23, Shovel does not format state logged by the crash reporter and can leave unencrypted credentials in a crash dump file. the shovel worker genserver processes does not implement the formatstatus/2 callback. When these processes crash (e.g., due to network partitions, connection failures), the OTP SASL error handler writes the full process state , including plaintext AMQP passwords and URIs , to the error log. This is particularly severe for the shovel worker, which stores deobfuscated plaintext URIs (including amqp://user:password@host format) in its genserver state for the entire process Automatic Credential Exposure: Shovel worker crashes (common during network partitions) automatically write plaintext upstream/downstream passwords to error logs No Special Configuration Needed: Unlike DEBUG logging, SASL error reports are always active Broad. This issue is fixed in versions 4.3.3, 4.2.9, 4.1.14, and 4.0.23.

Severity

4.6 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-25 17:00 UTC

CWE

CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor

Assigner

GitHub_M CNA under the mitre root

CNA scorecard C 72/100 over 8038 records in the last 180 days details

References

3 references

URL	Tags
https://github.com/rabbitmq/rabbitmq-server/secur…	x_refsource_CONFIRM
https://github.com/rabbitmq/rabbitmq-server/relea…	x_refsource_MISC
https://github.com/rabbitmq/rabbitmq-server/relea…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version	CPE status
rabbitmq	rabbitmq-server	Affected: >= 4.3.0, < 4.3.3 Affected: >= 4.2.0, < 4.2.9 Affected: >= 4.1.0, < 4.1.14 Affected: >= 4.0.0, < 4.0.23	guessed

Show details on NVD website

JSON

To clipboard

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bit-rabbitmq-2026-67406

Vulnerability from bitnami_vulndb

Published

2026-10-01 09:33

Modified

2026-10-17 09:09

Summary

RabbitMQ: Federation and Shovel Gen-Servers Lack format_status Callback — Plaintext Credentials Exposed in Crash Dumps and sys:get_status

Details

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "Bitnami",
        "name": "rabbitmq",
        "purl": "pkg:bitnami/rabbitmq"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.0.0"
            },
            {
              "fixed": "4.0.23"
            },
            {
              "introduced": "4.1.0"
            },
            {
              "fixed": "4.1.14"
            },
            {
              "introduced": "4.2.0"
            },
            {
              "fixed": "4.2.9"
            },
            {
              "introduced": "4.3.0"
            },
            {
              "fixed": "4.3.3"
            }
          ],
          "type": "SEMVER"
        }
      ],
      "severity": [
        {
          "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "type": "CVSS_V4"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-67406"
  ],
  "database_specific": {
    "cpes": [
      "cpe:2.3:a:vmware:rabbitmq:*:*:*:*:*:*:*:*"
    ],
    "severity": "Medium"
  },
  "details": "RabbitMQ is a messaging and streaming broker. From 4.0.0 until 4.3.3, 4.2.9, 4.1.14, and 4.0.23, Shovel does not format state logged by the crash reporter and can leave unencrypted credentials in a crash dump file. the shovel worker genserver processes does not implement the formatstatus/2 callback. When these processes crash (e.g., due to network partitions, connection failures), the OTP SASL error handler writes the full process state , including plaintext AMQP passwords and URIs , to the error log. This is particularly severe for the shovel worker, which stores deobfuscated plaintext URIs (including amqp://user:password@host format) in its genserver state for the entire process Automatic Credential Exposure: Shovel worker crashes (common during network partitions) automatically write plaintext upstream/downstream passwords to error logs No Special Configuration Needed: Unlike DEBUG logging, SASL error reports are always active Broad. This issue is fixed in versions 4.3.3, 4.2.9, 4.1.14, and 4.0.23.",
  "id": "BIT-rabbitmq-2026-67406",
  "modified": "2026-10-17T09:09:07.826Z",
  "published": "2026-10-01T09:33:45.070Z",
  "references": [
    {
      "type": "ARTICLE",
      "url": "https://github.com/rabbitmq/rabbitmq-server/releases/tag/v4.2.9"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/rabbitmq/rabbitmq-server/releases/tag/v4.3.3"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/rabbitmq/rabbitmq-server/security/advisories/GHSA-q44f-9vc5-grh7"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-67406"
    }
  ],
  "schema_version": "1.6.2",
  "summary": "RabbitMQ: Federation and Shovel Gen-Servers Lack format_status Callback \u2014 Plaintext Credentials Exposed in Crash Dumps and sys:get_status"
}

FKIE_CVE-2026-67406

Vulnerability from fkie_nvd - Published: 2026-09-25 17:17 - Updated: 2026-10-16 16:16

Severity

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

Summary

References

URL	Tags
security-advisories@github.com	https://github.com/rabbitmq/rabbitmq-server/releases/tag/v4.2.9	Release Notes
security-advisories@github.com	https://github.com/rabbitmq/rabbitmq-server/releases/tag/v4.3.3	Release Notes
security-advisories@github.com	https://github.com/rabbitmq/rabbitmq-server/security/advisories/GHSA-q44f-9vc5-grh7	Vendor Advisory, Exploit

Impacted products

Vendor	Product	Version
broadcom	rabbitmq_server	*
broadcom	rabbitmq_server	*
broadcom	rabbitmq_server	*
broadcom	rabbitmq_server	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "rabbitmq-server",
          "vendor": "rabbitmq",
          "versions": [
            {
              "status": "affected",
              "version": "\u003e= 4.3.0, \u003c 4.3.3"
            },
            {
              "status": "affected",
              "version": "\u003e= 4.2.0, \u003c 4.2.9"
            },
            {
              "status": "affected",
              "version": "\u003e= 4.1.0, \u003c 4.1.14"
            },
            {
              "status": "affected",
              "version": "\u003e= 4.0.0, \u003c 4.0.23"
            }
          ]
        }
      ],
      "source": "security-advisories@github.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:broadcom:rabbitmq_server:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "D5D13FFE-E0D9-4199-B413-C75E4A525550",
              "versionEndExcluding": "4.0.23",
              "versionStartIncluding": "4.0.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:broadcom:rabbitmq_server:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "D1298756-9945-4567-A288-410FAF5B54AE",
              "versionEndExcluding": "4.1.14",
              "versionStartIncluding": "4.1.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:broadcom:rabbitmq_server:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "D35C2182-6B6E-4E76-98E7-6C928D64CCA8",
              "versionEndExcluding": "4.2.9",
              "versionStartIncluding": "4.2.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:broadcom:rabbitmq_server:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "E6CDECF0-FDCF-4C38-AD9D-F7B1F1246AEB",
              "versionEndExcluding": "4.3.3",
              "versionStartIncluding": "4.3.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "RabbitMQ is a messaging and streaming broker. From 4.0.0 until 4.3.3, 4.2.9, 4.1.14, and 4.0.23, Shovel does not format state logged by the crash reporter and can leave unencrypted credentials in a crash dump file. the shovel worker genserver processes does not implement the formatstatus/2 callback. When these processes crash (e.g., due to network partitions, connection failures), the OTP SASL error handler writes the full process state , including plaintext AMQP passwords and URIs , to the error log. This is particularly severe for the shovel worker, which stores deobfuscated plaintext URIs (including amqp://user:password@host format) in its genserver state for the entire process Automatic Credential Exposure: Shovel worker crashes (common during network partitions) automatically write plaintext upstream/downstream passwords to error logs No Special Configuration Needed: Unlike DEBUG logging, SASL error reports are always active Broad. This issue is fixed in versions 4.3.3, 4.2.9, 4.1.14, and 4.0.23."
    }
  ],
  "id": "CVE-2026-67406",
  "lastModified": "2026-10-16T16:16:49.703",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "attackComplexity": "LOW",
          "attackRequirements": "PRESENT",
          "attackVector": "NETWORK",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 4.6,
          "baseSeverity": "MEDIUM",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "HIGH",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "HIGH",
          "subIntegrityImpact": "NONE",
          "userInteraction": "NONE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "version": "4.0",
          "vulnAvailabilityImpact": "NONE",
          "vulnConfidentialityImpact": "NONE",
          "vulnIntegrityImpact": "NONE",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "security-advisories@github.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-67406",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-09-25T17:00:45.529742Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-09-25T17:17:12.477",
  "references": [
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Release Notes"
      ],
      "url": "https://github.com/rabbitmq/rabbitmq-server/releases/tag/v4.2.9"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Release Notes"
      ],
      "url": "https://github.com/rabbitmq/rabbitmq-server/releases/tag/v4.3.3"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Vendor Advisory",
        "Exploit"
      ],
      "url": "https://github.com/rabbitmq/rabbitmq-server/security/advisories/GHSA-q44f-9vc5-grh7"
    }
  ],
  "sourceIdentifier": "security-advisories@github.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-200"
        }
      ],
      "source": "security-advisories@github.com",
      "type": "Secondary"
    }
  ]
}

MSRC_CVE-2026-67406

Vulnerability from csaf_microsoft - Published: 2026-10-03 01:49 - Updated: 2026-10-16 01:49

Summary

RabbitMQ: Federation and Shovel Gen-Servers Lack format_status Callback — Plaintext Credentials Exposed in Crash Dumps and sys:get_status

Scope

1 vulnerability in this advisory, including CVE-2026-67406.

CVE-2026-67406

Known not affected: 1 product

Open the full advisory

RHSA-2026:67552

Vulnerability from csaf_redhat - Published: 2026-09-15 13:31 - Updated: 2026-10-31 08:10

Summary

Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

Severity

Important

Scope

54 vulnerabilities in this advisory, including CVE-2026-67406.

CVE-2026-67406

A flaw was found in rabbitmq-server. When the Shovel plugin worker process crashes due to network or connection failures, it fails to sanitize its internal state before logging error reports. As a result, sensitive connection details and unencrypted credentials, including plaintext passwords, are written directly to crash dump files and error logs. An unauthorized user with access to these log files can read the credentials, leading to information disclosure and potential unauthorized access to connected message brokers.

5.5 (Medium)


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

Fixed: 3 products

https://access.redhat.com/errata/RHSA-2026:67552

Open the full advisory

UBUNTU-CVE-2026-67406 (CVE-2026-67406)

Vulnerability from osv_ubuntu – Published: 2026-09-25 17:17 – Updated: 2026-10-22 07:54 – Source website

Details

Severity

4.6 (Medium)


                    
                      CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N

6.5 (Medium)


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

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2026-67406	REPORT
	https://www.cve.org/CVERecord?id=CVE-2026-67406	REPORT
	https://github.com/rabbitmq/rabbitmq-server/secur…	REPORT
	https://github.com/rabbitmq/rabbitmq-server/relea…	REPORT
	https://github.com/rabbitmq/rabbitmq-server/relea…	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "rabbitmq-server",
            "binary_version": "3.5.7-1ubuntu0.16.04.4+esm3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "rabbitmq-server",
        "purl": "pkg:deb/ubuntu/rabbitmq-server@3.5.7-1ubuntu0.16.04.4+esm3?arch=source\u0026distro=esm-infra-legacy/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.5.4-1",
        "3.5.4-3",
        "3.5.4-3.1",
        "3.5.7-1",
        "3.5.7-1ubuntu0.16.04.1",
        "3.5.7-1ubuntu0.16.04.2",
        "3.5.7-1ubuntu0.16.04.4",
        "3.5.7-1ubuntu0.16.04.4+esm1",
        "3.5.7-1ubuntu0.16.04.4+esm2",
        "3.5.7-1ubuntu0.16.04.4+esm3"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "rabbitmq-server",
            "binary_version": "3.6.10-1ubuntu0.5+esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:18.04:LTS",
        "name": "rabbitmq-server",
        "purl": "pkg:deb/ubuntu/rabbitmq-server@3.6.10-1ubuntu0.5+esm1?arch=source\u0026distro=esm-infra/bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.6.10-1",
        "3.6.10-1ubuntu0.1",
        "3.6.10-1ubuntu0.3",
        "3.6.10-1ubuntu0.4",
        "3.6.10-1ubuntu0.5",
        "3.6.10-1ubuntu0.5+esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "rabbitmq-server",
            "binary_version": "3.8.3-0ubuntu0.3+esm2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:20.04:LTS",
        "name": "rabbitmq-server",
        "purl": "pkg:deb/ubuntu/rabbitmq-server@3.8.3-0ubuntu0.3+esm2?arch=source\u0026distro=esm-infra/focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.7.8-4ubuntu2",
        "3.7.18-1",
        "3.8.2-0ubuntu1",
        "3.8.2-0ubuntu1.1",
        "3.8.2-0ubuntu1.2",
        "3.8.2-0ubuntu1.3",
        "3.8.2-0ubuntu1.4",
        "3.8.2-0ubuntu1.5",
        "3.8.3-0ubuntu0.1",
        "3.8.3-0ubuntu0.2",
        "3.8.3-0ubuntu0.3",
        "3.8.3-0ubuntu0.3+esm1",
        "3.8.3-0ubuntu0.3+esm2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "rabbitmq-server",
            "binary_version": "3.9.27-0ubuntu0.6"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "rabbitmq-server",
        "purl": "pkg:deb/ubuntu/rabbitmq-server@3.9.27-0ubuntu0.6?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.8.9-3ubuntu1",
        "3.9.8-1",
        "3.9.8-2",
        "3.9.8-3",
        "3.9.8-5",
        "3.9.8-6",
        "3.9.13-1",
        "3.9.13-1ubuntu0.22.04.1",
        "3.9.13-1ubuntu0.22.04.2",
        "3.9.27-0ubuntu0.1",
        "3.9.27-0ubuntu0.2",
        "3.9.27-0ubuntu0.5",
        "3.9.27-0ubuntu0.6"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "rabbitmq-server",
            "binary_version": "3.12.1-1ubuntu1.7"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "rabbitmq-server",
        "purl": "pkg:deb/ubuntu/rabbitmq-server@3.12.1-1ubuntu1.7?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.12.1-1",
        "3.12.1-1ubuntu1",
        "3.12.1-1ubuntu1.2",
        "3.12.1-1ubuntu1.4",
        "3.12.1-1ubuntu1.6",
        "3.12.1-1ubuntu1.7"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "rabbitmq-server",
            "binary_version": "4.3.2-4ubuntu3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.10",
        "name": "rabbitmq-server",
        "purl": "pkg:deb/ubuntu/rabbitmq-server@4.3.2-4ubuntu3?arch=source\u0026distro=stonking"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "4.0.5-10ubuntu5",
        "4.3.2-4ubuntu2",
        "4.3.2-4ubuntu3"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "rabbitmq-server",
            "binary_version": "4.0.5-10ubuntu5.2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "rabbitmq-server",
        "purl": "pkg:deb/ubuntu/rabbitmq-server@4.0.5-10ubuntu5.2?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "4.0.5-8ubuntu2",
        "4.0.5-10ubuntu1",
        "4.0.5-10ubuntu2",
        "4.0.5-10ubuntu3",
        "4.0.5-10ubuntu4",
        "4.0.5-10ubuntu5",
        "4.0.5-10ubuntu5.1",
        "4.0.5-10ubuntu5.2"
      ]
    }
  ],
  "aliases": [],
  "details": "RabbitMQ is a messaging and streaming broker. From 4.0.0 until 4.3.3, 4.2.9, 4.1.14, and 4.0.23, Shovel does not format state logged by the crash reporter and can leave unencrypted credentials in a crash dump file. the shovel worker genserver processes does not implement the formatstatus/2 callback. When these processes crash (e.g., due to network partitions, connection failures), the OTP SASL error handler writes the full process state , including plaintext AMQP passwords and URIs , to the error log. This is particularly severe for the shovel worker, which stores deobfuscated plaintext URIs (including amqp://user:password@host format) in its genserver state for the entire process Automatic Credential Exposure: Shovel worker crashes (common during network partitions) automatically write plaintext upstream/downstream passwords to error logs No Special Configuration Needed: Unlike DEBUG logging, SASL error reports are always active Broad. This issue is fixed in versions 4.3.3, 4.2.9, 4.1.14, and 4.0.23.",
  "id": "UBUNTU-CVE-2026-67406",
  "modified": "2026-10-22T07:54:15Z",
  "published": "2026-09-25T17:17:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-67406"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-67406"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/rabbitmq/rabbitmq-server/security/advisories/GHSA-q44f-9vc5-grh7"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/rabbitmq/rabbitmq-server/releases/tag/v4.2.9"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/rabbitmq/rabbitmq-server/releases/tag/v4.3.3"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N",
      "type": "CVSS_V4"
    },
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2026-67406"
  ]
}

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

Order JSON

Publication & reservation Sightings KEV catalogs Other timestamps

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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.

Related by attack behaviour

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.

Action not permitted

CVE-2026-67406 (GCVE-0-2026-67406)

bit-rabbitmq-2026-67406

Vulnerability from bitnami_vulndb

FKIE_CVE-2026-67406

MSRC_CVE-2026-67406

RHSA-2026:67552

UBUNTU-CVE-2026-67406 (CVE-2026-67406)

Tags

Sightings

Nomenclature

Vulnerability timeline

Related by attack behaviour