Vulnerability-Lookup

GHSA-9VC8-QPPQ-WVXC

Vulnerability from github – Published: 2026-04-28 00:31 – Updated: 2026-05-06 19:02

Summary

Spring Boot's RabbitMQ auto-configuration doesn't perform hostname verification when connecting to the RabbitMQ broker

Details

When configured to use an SSL bundle, Spring Boot's RabbitMQ auto-configuration does not perform hostname verification when connecting to the RabbitMQ broker.

Affected: Spring Boot 4.0.0–4.0.5 (fix 4.0.6), 3.5.0–3.5.13 (fix 3.5.14) per vendor advisory.

Severity ?

5.0 (Medium)


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

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        "ecosystem": "Maven",
        "name": "org.springframework.boot:spring-boot-rabbitmq"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.0.0"
            },
            {
              "fixed": "4.0.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.springframework.boot:spring-boot-rabbitmq"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "3.5.0"
            },
            {
              "fixed": "3.5.14"
            }
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          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-40971"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-295"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-05-06T19:02:59Z",
    "nvd_published_at": "2026-04-27T23:16:03Z",
    "severity": "MODERATE"
  },
  "details": "When configured to use an SSL bundle, Spring Boot\u0027s RabbitMQ auto-configuration does not perform hostname verification when connecting to the RabbitMQ broker.\n\nAffected: Spring Boot 4.0.0\u20134.0.5 (fix 4.0.6), 3.5.0\u20133.5.13 (fix 3.5.14) per vendor advisory.",
  "id": "GHSA-9vc8-qppq-wvxc",
  "modified": "2026-05-06T19:02:59Z",
  "published": "2026-04-28T00:31:40Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-40971"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/spring-projects/spring-boot"
    },
    {
      "type": "WEB",
      "url": "https://spring.io/security/cve-2026-40971"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Spring Boot\u0027s RabbitMQ auto-configuration doesn\u0027t perform hostname verification when connecting to the RabbitMQ broker"
}

CVE-2026-40971 (GCVE-0-2026-40971)

Vulnerability from cvelistv5 – Published: 2026-04-27 22:45 – Updated: 2026-04-28 12:46

Summary

When configured to use an SSL bundle, Spring Boot's RabbitMQ auto-configuration does not perform hostname verification when connecting to the RabbitMQ broker. Affected: Spring Boot 4.0.0–4.0.5 (fix 4.0.6), 3.5.0–3.5.13 (fix 3.5.14) per vendor advisory.

Severity ?

5 (Medium)


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

CWE

CWE-295 - Improper Certificate Validation

Assigner

vmware

References

URL

Tags

https://spring.io/security/cve-2026-40971

Impacted products

	Vendor	Product	Version
	Spring	Spring Boot	Affected: 4.0.0 , < 4.0.6 (custom) Affected: 3.5.0 , < 3.5.14 (custom)

Show details on NVD website

JSON

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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.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-9VC8-QPPQ-WVXC

CVE-2026-40971 (GCVE-0-2026-40971)

Tags

Sightings

Nomenclature