CVE-2026-59293 (GCVE-0-2026-59293)

Vulnerability from cvelistv5 – Published: 2026-08-27 17:57 – Updated: 2026-08-28 18:36
VLAI
Title
SMB minimum protocol dialect defaults to SMB1
Summary
Unless the application explicitly raises smbMinVersion, the jCIFS client will negotiate down to SMB1/CIFS, which lacks mandatory signing/encryption and is vulnerable to NTLM relay and content-tampering MITM. Spring Integration 7.1.0 Spring Integration 7.0.0 - 7.0.5 Spring Integration 6.5.0 - 6.5.10 Spring Integration 6.4.0 - 6.4.12
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-28 18:36 UTC
CWE
References
Impacted products
Vendor Product Version CPE status
Spring Spring Integration Affected: 7.1.0 (custom)
Affected: 7.0.0 , ≤ 7.0.5 (custom)
Affected: 6.5.0 , ≤ 6.5.10 (custom)
Affected: 6.4.0 , ≤ 6.4.12 (custom)
guessed Create a notification for this product.
Show details on NVD website

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-59293",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-08-28T18:36:28.168562Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-757",
                "description": "CWE-757 Selection of Less-Secure Algorithm During Negotiation (\u0027Algorithm Downgrade\u0027)",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-08-28T18:36:46.105Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Spring Integration",
          "vendor": "Spring",
          "versions": [
            {
              "status": "affected",
              "version": "7.1.0",
              "versionType": "custom"
            },
            {
              "lessThanOrEqual": "7.0.5",
              "status": "affected",
              "version": "7.0.0",
              "versionType": "custom"
            },
            {
              "lessThanOrEqual": "6.5.10",
              "status": "affected",
              "version": "6.5.0",
              "versionType": "custom"
            },
            {
              "lessThanOrEqual": "6.4.12",
              "status": "affected",
              "version": "6.4.0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eUnless the application explicitly raises smbMinVersion, the jCIFS client will negotiate down to SMB1/CIFS, which lacks mandatory signing/encryption and is vulnerable to NTLM relay and content-tampering MITM.\u003c/p\u003e\u003cp\u003eSpring Integration 7.1.0\u003cbr/\u003eSpring Integration 7.0.0 - 7.0.5\u003cbr/\u003eSpring Integration 6.5.0 - 6.5.10\u003cbr/\u003eSpring Integration 6.4.0 - 6.4.12\u003c/p\u003e"
            }
          ],
          "value": "Unless the application explicitly raises smbMinVersion, the jCIFS client will negotiate down to SMB1/CIFS, which lacks mandatory signing/encryption and is vulnerable to NTLM relay and content-tampering MITM.\nSpring Integration 7.1.0\nSpring Integration 7.0.0 - 7.0.5\nSpring Integration 6.5.0 - 6.5.10\nSpring Integration 6.4.0 - 6.4.12"
        }
      ],
      "impacts": [
        {
          "descriptions": [
            {
              "lang": "en",
              "value": "Unless the application explicitly raises smbMinVersion, the jCIFS client will negotiate down to SMB1/CIFS, which lacks mandatory signing/encryption and is vulnerable to NTLM relay and content-tampering MITM."
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 6.6,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "CWE-757 Selection of Less-Secure Algorithm During Negotiation (\u0027Algorithm Downgrade\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-27T17:57:51.016Z",
        "orgId": "dcf2e128-44bd-42ed-91e8-88f912c1401d",
        "shortName": "vmware"
      },
      "references": [
        {
          "url": "https://spring.io/security/cve-2026-59293"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "SMB minimum protocol dialect defaults to SMB1"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "dcf2e128-44bd-42ed-91e8-88f912c1401d",
    "assignerShortName": "vmware",
    "cveId": "CVE-2026-59293",
    "datePublished": "2026-08-27T17:57:51.016Z",
    "dateReserved": "2026-07-04T18:13:34.323Z",
    "dateUpdated": "2026-08-28T18:36:46.105Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-59293",
      "date": "2026-08-28",
      "epss": "0.00221",
      "percentile": "0.12471"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-59293\",\"sourceIdentifier\":\"security@vmware.com\",\"published\":\"2026-08-27T20:17:55.460\",\"lastModified\":\"2026-08-28T18:47:30.163\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Unless the application explicitly raises smbMinVersion, the jCIFS client will negotiate down to SMB1/CIFS, which lacks mandatory signing/encryption and is vulnerable to NTLM relay and content-tampering MITM.\\nSpring Integration 7.1.0\\nSpring Integration 7.0.0 - 7.0.5\\nSpring Integration 6.5.0 - 6.5.10\\nSpring Integration 6.4.0 - 6.4.12\"}],\"affected\":[{\"source\":\"security@vmware.com\",\"affectedData\":[{\"vendor\":\"Spring\",\"product\":\"Spring Integration\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"7.1.0\",\"versionType\":\"custom\",\"status\":\"affected\"},{\"version\":\"7.0.0\",\"lessThanOrEqual\":\"7.0.5\",\"versionType\":\"custom\",\"status\":\"affected\"},{\"version\":\"6.5.0\",\"lessThanOrEqual\":\"6.5.10\",\"versionType\":\"custom\",\"status\":\"affected\"},{\"version\":\"6.4.0\",\"lessThanOrEqual\":\"6.4.12\",\"versionType\":\"custom\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"security@vmware.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":6.6,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"HIGH\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":0.7,\"impactScore\":5.9}]},\"references\":[{\"url\":\"https://spring.io/security/cve-2026-59293\",\"source\":\"security@vmware.com\"}]}}"
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.

Loading…

Detection rules are retrieved from Rulezet.

Loading…

Loading…

Loading…