cve-2026-40992

{
  "advisories": [
    {
      "id": "GHSA-9wxp-w4px-32vh",
      "source": "ghsa",
      "title": "Spring Boot's Mail Auto-Configuration Does Not Enable SSL Hostname Verification",
      "url": "https://github.com/advisories/GHSA-9wxp-w4px-32vh"
    }
  ],
  "cve": "CVE-2026-40992",
  "enrichment": {
    "affected": [
      {
        "configurations": [
          {
            "platform": null,
            "status": "affected",
            "versions": {
              "scheme": "semver",
              "value": "[4.0.0,4.0.7)"
            }
          },
          {
            "platform": null,
            "status": "affected",
            "versions": {
              "scheme": "semver",
              "value": "[3.5.0,3.5.15)"
            }
          },
          {
            "platform": null,
            "status": "affected",
            "versions": {
              "scheme": "semver",
              "value": "[3.4.0,3.4.17)"
            }
          }
        ],
        "enrichment": {
          "confidence": 100.0,
          "confidence_source": "matching",
          "scores": [
            {
              "score": 100.0,
              "source": "matching"
            }
          ]
        },
        "original": {
          "product": "Spring Boot",
          "source": "cna",
          "vendor": "Spring"
        },
        "product": "spring_boot",
        "vendor": "spring"
      }
    ],
    "created": "2026-06-11T07:30:08.283459+00:00",
    "updated": "2026-06-11T07:30:08.609349+00:00",
    "vendors": [
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      "spring$PRODUCT$spring_boot"
    ]
  },
  "epss": {
    "score": 0.00124
  },
  "mitre": {
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    "created": "2026-06-11T05:03:53.539000+00:00",
    "description": "Spring Boot's Mail auto-configuration does not enable hostname verification. Applications that set the relevant JavaMail property, such as spring.mail.properties.mail.smtp.ssl.checkserveridentity=true, are not affected.\n\nAffected versions:\nSpring Boot 4.0.0 through 4.0.6; 3.5.0 through 3.5.14; 3.4.0 through 3.4.16.",
    "metrics": {
      "cvssV2_0": {},
      "cvssV3_0": {},
      "cvssV3_1": {
        "score": 5,
        "vector": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L"
      },
      "cvssV4_0": {}
    },
    "mitre_repo_path": "cves/2026/40xxx/CVE-2026-40992.json",
    "references": [
      "https://spring.io/security/cve-2026-40992"
    ],
    "title": "Mail Auto-Configuration Does Not Enable SSL Hostname Verification",
    "updated": "2026-06-23T19:46:36.493000+00:00",
    "vendors": [],
    "weaknesses": [
      "CWE-295"
    ]
  },
  "nvd": {
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      "cpe:2.3:a:vmware:spring_boot:*:*:*:*:*:*:*:*"
    ],
    "created": "2026-06-11T07:16:27.177000+00:00",
    "description": "Spring Boot's Mail auto-configuration does not enable hostname verification. Applications that set the relevant JavaMail property, such as spring.mail.properties.mail.smtp.ssl.checkserveridentity=true, are not affected.\n\nAffected versions:\nSpring Boot 4.0.0 through 4.0.6; 3.5.0 through 3.5.14; 3.4.0 through 3.4.16.",
    "metrics": {
      "cvssV2_0": {},
      "cvssV3_0": {},
      "cvssV3_1": {
        "score": 5.0,
        "vector": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L"
      },
      "cvssV4_0": {}
    },
    "nvd_repo_path": "2026/CVE-2026-40992.json",
    "references": [
      "https://spring.io/security/cve-2026-40992"
    ],
    "title": null,
    "updated": "2026-09-04T18:05:38.580000+00:00",
    "vendors": [
      "vmware",
      "vmware$PRODUCT$spring_boot"
    ],
    "weaknesses": [
      "CWE-295"
    ]
  },
  "opencve": {
    "changes": [
      {
        "created": "2026-06-11T06:45:00+00:00",
        "data": [
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            "details": {
              "new": "Spring Boot's Mail auto-configuration does not enable hostname verification. Applications that set the relevant JavaMail property, such as spring.mail.properties.mail.smtp.ssl.checkserveridentity=true, are not affected.\n\nAffected versions:\nSpring Boot 4.0.0 through 4.0.6; 3.5.0 through 3.5.14; 3.4.0 through 3.4.16.",
              "old": null
            },
            "type": "description"
          },
          {
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              "new": "Mail Auto-Configuration Does Not Enable SSL Hostname Verification",
              "old": null
            },
            "type": "title"
          },
          {
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              "added": [
                "CWE-295"
              ],
              "removed": []
            },
            "type": "weaknesses"
          },
          {
            "details": {
              "added": [
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              ],
              "removed": []
            },
            "type": "references"
          },
          {
            "details": {
              "added": {
                "cvssV3_1": {
                  "score": 5,
                  "vector": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L"
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              "removed": {},
              "updated": {}
            },
            "type": "metrics"
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        "id": "8accd52d-1a02-4989-a792-04fb1e21b80f"
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        "created": "2026-06-12T23:30:00+00:00",
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        "id": "e6ce8812-d317-4c49-8cd0-3145685cc518"
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        "id": "05f18375-c81d-46f2-9e86-0b3e12159a77"
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      "providers": [
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    "created": {
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      "provider": "mitre"
    },
    "description": {
      "data": "Spring Boot's Mail auto-configuration does not enable hostname verification. Applications that set the relevant JavaMail property, such as spring.mail.properties.mail.smtp.ssl.checkserveridentity=true, are not affected.\n\nAffected versions:\nSpring Boot 4.0.0 through 4.0.6; 3.5.0 through 3.5.14; 3.4.0 through 3.4.16.",
      "provider": "mitre"
    },
    "metrics": {
      "cvssV2_0": {
        "data": {},
        "provider": null
      },
      "cvssV3_0": {
        "data": {},
        "provider": null
      },
      "cvssV3_1": {
        "data": {
          "score": 5,
          "vector": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L"
        },
        "provider": "mitre"
      },
      "cvssV4_0": {
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      },
      "epss": {
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      "kev": {
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      },
      "ssvc": {
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            "Automatable": "no",
            "Exploitation": "none",
            "Technical Impact": "partial"
          },
          "version": "2.0.3"
        },
        "provider": "vulnrichment"
      },
      "threat_severity": {
        "data": null,
        "provider": null
      }
    },
    "references": {
      "data": [
        "https://spring.io/security/cve-2026-40992"
      ],
      "providers": [
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    },
    "title": {
      "data": "Mail Auto-Configuration Does Not Enable SSL Hostname Verification",
      "provider": "mitre"
    },
    "updated": {
      "data": "2026-09-04T18:05:38.580000+00:00",
      "provider": "nvd"
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  },
  "vulnrichment": {
    "cpes": [],
    "created": "2026-06-11T05:03:53.539000+00:00",
    "description": "Spring Boot's Mail auto-configuration does not enable hostname verification. Applications that set the relevant JavaMail property, such as spring.mail.properties.mail.smtp.ssl.checkserveridentity=true, are not affected.\n\nAffected versions:\nSpring Boot 4.0.0 through 4.0.6; 3.5.0 through 3.5.14; 3.4.0 through 3.4.16.",
    "metrics": {
      "cvssV2_0": {},
      "cvssV3_0": {},
      "cvssV3_1": {},
      "cvssV4_0": {},
      "kev": {},
      "ssvc": {
        "options": {
          "Automatable": "no",
          "Exploitation": "none",
          "Technical Impact": "partial"
        },
        "version": "2.0.3"
      }
    },
    "references": [],
    "title": "Mail Auto-Configuration Does Not Enable SSL Hostname Verification",
    "updated": "2026-06-11T12:45:56.759000+00:00",
    "vendors": [],
    "vulnrichment_repo_path": "2026/40xxx/CVE-2026-40992.json",
    "weaknesses": []
  }
}