GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

CVE-2026-59313 (GCVE-0-2026-59313)

Vulnerability from cvelistv5 – Published: 2026-08-27 17:58 – Updated: 2026-08-28 19:59
VLAI
Title
Server Sent Event stream corruption in Spring MVC functional web framework
Summary
Spring MVC applications using the functional web framework are vulnerable to stream corruption when using Server-Sent Events (SSE). Spring Framework 7.0.0 - 7.0.8 Spring Framework 6.2.0 - 6.2.19 Spring Framework 6.1.0 - 6.1.28 Spring Framework 6.0.0 - 6.0.30 Spring Framework 5.3.0 - 5.3.49
Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-28 19:58 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version CPE status
Spring Spring Framework Affected: 7.0.0 , ≤ 7.0.8 (custom)
Affected: 6.2.0 , ≤ 6.2.19 (custom)
Affected: 6.1.0 , ≤ 6.1.28 (custom)
Affected: 6.0.0 , ≤ 6.0.30 (custom)
Affected: 5.3.0 , ≤ 5.3.49 (custom)
guessed Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 9.8,
              "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:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2026-59313",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-08-28T19:58:16.605774Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-93",
                "description": "CWE-93 Improper Neutralization of CRLF Sequences (\u0027CRLF Injection\u0027)",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-08-28T19:59:45.069Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Spring Framework",
          "vendor": "Spring",
          "versions": [
            {
              "lessThanOrEqual": "7.0.8",
              "status": "affected",
              "version": "7.0.0",
              "versionType": "custom"
            },
            {
              "lessThanOrEqual": "6.2.19",
              "status": "affected",
              "version": "6.2.0",
              "versionType": "custom"
            },
            {
              "lessThanOrEqual": "6.1.28",
              "status": "affected",
              "version": "6.1.0",
              "versionType": "custom"
            },
            {
              "lessThanOrEqual": "6.0.30",
              "status": "affected",
              "version": "6.0.0",
              "versionType": "custom"
            },
            {
              "lessThanOrEqual": "5.3.49",
              "status": "affected",
              "version": "5.3.0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eSpring MVC applications using the functional web framework are vulnerable to stream corruption when using Server-Sent Events (SSE).\u003c/p\u003e\u003cp\u003eSpring Framework 7.0.0 - 7.0.8\u003cbr/\u003eSpring Framework 6.2.0 - 6.2.19\u003cbr/\u003eSpring Framework 6.1.0 - 6.1.28\u003cbr/\u003eSpring Framework 6.0.0 - 6.0.30\u003cbr/\u003eSpring Framework 5.3.0 - 5.3.49\u003c/p\u003e"
            }
          ],
          "value": "Spring MVC applications using the functional web framework are vulnerable to stream corruption when using Server-Sent Events (SSE).\nSpring Framework 7.0.0 - 7.0.8\nSpring Framework 6.2.0 - 6.2.19\nSpring Framework 6.1.0 - 6.1.28\nSpring Framework 6.0.0 - 6.0.30\nSpring Framework 5.3.0 - 5.3.49"
        }
      ],
      "impacts": [
        {
          "descriptions": [
            {
              "lang": "en",
              "value": "Spring MVC applications using the functional web framework are vulnerable to stream corruption when using Server-Sent Events (SSE)."
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "CWE-93 Improper Neutralization of CRLF Sequences (\u0027CRLF Injection\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-27T17:58:03.621Z",
        "orgId": "dcf2e128-44bd-42ed-91e8-88f912c1401d",
        "shortName": "vmware"
      },
      "references": [
        {
          "url": "https://spring.io/security/cve-2026-59313"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Server Sent Event stream corruption in Spring MVC functional web framework"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "dcf2e128-44bd-42ed-91e8-88f912c1401d",
    "assignerShortName": "vmware",
    "cveId": "CVE-2026-59313",
    "datePublished": "2026-08-27T17:58:03.621Z",
    "dateReserved": "2026-07-04T18:13:57.026Z",
    "dateUpdated": "2026-08-28T19:59:45.069Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-59313",
      "date": "2026-09-05",
      "epss": "0.00387",
      "percentile": "0.31773"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-59313\",\"sourceIdentifier\":\"security@vmware.com\",\"published\":\"2026-08-27T20:17:57.343\",\"lastModified\":\"2026-08-31T18:04:07.453\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Spring MVC applications using the functional web framework are vulnerable to stream corruption when using Server-Sent Events (SSE).\\nSpring Framework 7.0.0 - 7.0.8\\nSpring Framework 6.2.0 - 6.2.19\\nSpring Framework 6.1.0 - 6.1.28\\nSpring Framework 6.0.0 - 6.0.30\\nSpring Framework 5.3.0 - 5.3.49\"}],\"affected\":[{\"source\":\"security@vmware.com\",\"affectedData\":[{\"vendor\":\"Spring\",\"product\":\"Spring Framework\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"7.0.0\",\"lessThanOrEqual\":\"7.0.8\",\"versionType\":\"custom\",\"status\":\"affected\"},{\"version\":\"6.2.0\",\"lessThanOrEqual\":\"6.2.19\",\"versionType\":\"custom\",\"status\":\"affected\"},{\"version\":\"6.1.0\",\"lessThanOrEqual\":\"6.1.28\",\"versionType\":\"custom\",\"status\":\"affected\"},{\"version\":\"6.0.0\",\"lessThanOrEqual\":\"6.0.30\",\"versionType\":\"custom\",\"status\":\"affected\"},{\"version\":\"5.3.0\",\"lessThanOrEqual\":\"5.3.49\",\"versionType\":\"custom\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":9.8,\"baseSeverity\":\"CRITICAL\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":5.9}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2026-08-28T19:58:16.605774Z\",\"id\":\"CVE-2026-59313\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"yes\"},{\"technicalImpact\":\"total\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"weaknesses\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-93\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:vmware:spring_framework:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.3.0\",\"versionEndIncluding\":\"5.3.49\",\"matchCriteriaId\":\"07A1F231-2A12-40D9-BA00-8FD78EA2687A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:vmware:spring_framework:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.0.0\",\"versionEndIncluding\":\"6.0.30\",\"matchCriteriaId\":\"49FF6A55-CC96-40FF-956F-6714CE1FA506\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:vmware:spring_framework:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.1.0\",\"versionEndIncluding\":\"6.1.28\",\"matchCriteriaId\":\"A3EB7E93-6F61-470D-9394-DD4B693802A6\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:vmware:spring_framework:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2.0\",\"versionEndIncluding\":\"6.2.19\",\"matchCriteriaId\":\"918B9B37-BB57-4A69-8615-E97EF862309A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:vmware:spring_framework:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"7.0.0\",\"versionEndIncluding\":\"7.0.8\",\"matchCriteriaId\":\"784D50C8-34A2-4C76-91BD-095108C7F58E\"}]}]}],\"references\":[{\"url\":\"https://spring.io/security/cve-2026-59313\",\"source\":\"security@vmware.com\",\"tags\":[\"Vendor Advisory\"]}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 9.8, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"CRITICAL\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"HIGH\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-59313\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-08-28T19:58:16.605774Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-93\", \"description\": \"CWE-93 Improper Neutralization of CRLF Sequences (\u0027CRLF Injection\u0027)\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-08-28T19:59:40.318Z\"}}], \"cna\": {\"title\": \"Server Sent Event stream corruption in Spring MVC functional web framework\", \"source\": {\"discovery\": \"UNKNOWN\"}, \"impacts\": [{\"descriptions\": [{\"lang\": \"en\", \"value\": \"Spring MVC applications using the functional web framework are vulnerable to stream corruption when using Server-Sent Events (SSE).\"}]}], \"affected\": [{\"vendor\": \"Spring\", \"product\": \"Spring Framework\", \"versions\": [{\"status\": \"affected\", \"version\": \"7.0.0\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"7.0.8\"}, {\"status\": \"affected\", \"version\": \"6.2.0\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"6.2.19\"}, {\"status\": \"affected\", \"version\": \"6.1.0\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"6.1.28\"}, {\"status\": \"affected\", \"version\": \"6.0.0\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"6.0.30\"}, {\"status\": \"affected\", \"version\": \"5.3.0\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"5.3.49\"}], \"defaultStatus\": \"unaffected\"}], \"references\": [{\"url\": \"https://spring.io/security/cve-2026-59313\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"Spring MVC applications using the functional web framework are vulnerable to stream corruption when using Server-Sent Events (SSE).\\nSpring Framework 7.0.0 - 7.0.8\\nSpring Framework 6.2.0 - 6.2.19\\nSpring Framework 6.1.0 - 6.1.28\\nSpring Framework 6.0.0 - 6.0.30\\nSpring Framework 5.3.0 - 5.3.49\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"\u003cp\u003eSpring MVC applications using the functional web framework are vulnerable to stream corruption when using Server-Sent Events (SSE).\u003c/p\u003e\u003cp\u003eSpring Framework 7.0.0 - 7.0.8\u003cbr/\u003eSpring Framework 6.2.0 - 6.2.19\u003cbr/\u003eSpring Framework 6.1.0 - 6.1.28\u003cbr/\u003eSpring Framework 6.0.0 - 6.0.30\u003cbr/\u003eSpring Framework 5.3.0 - 5.3.49\u003c/p\u003e\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"description\": \"CWE-93 Improper Neutralization of CRLF Sequences (\u0027CRLF Injection\u0027)\"}]}], \"providerMetadata\": {\"orgId\": \"dcf2e128-44bd-42ed-91e8-88f912c1401d\", \"shortName\": \"vmware\", \"dateUpdated\": \"2026-08-27T17:58:03.621Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-59313\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-08-28T19:59:45.069Z\", \"dateReserved\": \"2026-07-04T18:13:57.026Z\", \"assignerOrgId\": \"dcf2e128-44bd-42ed-91e8-88f912c1401d\", \"datePublished\": \"2026-08-27T17:58:03.621Z\", \"assignerShortName\": \"vmware\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





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.


Detection rules are retrieved from Rulezet.