CVE-2026-40988 (GCVE-0-2026-40988)
Vulnerability from cvelistv5
Published
2026-06-09 23:46
Modified
2026-06-27 21:22
CWE
  • CWE-400 - Uncontrolled Resource Consumption
Summary
An application using spring-security-saml2-service-provider and the REDIRECT binding for SAML 2.0 Login or Logout may be vulnerable to a denial of service by way of an unbounded writer that inflates the compressed SAML payload into memory. Affected versions: Spring Security 5.7.0 through 5.7.23; 5.8.0 through 5.8.25; 6.3.0 through 6.3.16; 6.4.0 through 6.4.16; 6.5.0 through 6.5.10; 7.0.0 through 7.0.5.
Impacted products
Vendor Product Version
Spring Spring Security Version: 5.7.0   < 5.7.24
Version: 5.8.0   < 5.8.26
Version: 6.3.0   < 6.3.17
Version: 6.4.0   < 6.4.17
Version: 6.5.0   < 6.5.10.2
Version: 7.0.0   < 7.0.5.1
Create a notification for this product.
Show details on NVD website


{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-40988",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-06-10T18:08:29.853478Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-06-10T18:08:45.288Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Spring Security",
          "vendor": "Spring",
          "versions": [
            {
              "lessThan": "5.7.24",
              "status": "affected",
              "version": "5.7.0",
              "versionType": "custom"
            },
            {
              "lessThan": "5.8.26",
              "status": "affected",
              "version": "5.8.0",
              "versionType": "custom"
            },
            {
              "lessThan": "6.3.17",
              "status": "affected",
              "version": "6.3.0",
              "versionType": "custom"
            },
            {
              "lessThan": "6.4.17",
              "status": "affected",
              "version": "6.4.0",
              "versionType": "custom"
            },
            {
              "lessThan": "6.5.10.2",
              "status": "affected",
              "version": "6.5.0",
              "versionType": "custom"
            },
            {
              "lessThan": "7.0.5.1",
              "status": "affected",
              "version": "7.0.0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "An application using spring-security-saml2-service-provider and the REDIRECT binding for SAML 2.0 Login or Logout may be vulnerable to a denial of service by way of an unbounded writer that inflates the compressed SAML payload into memory.\n\nAffected versions:\nSpring Security 5.7.0 through 5.7.23; 5.8.0 through 5.8.25; 6.3.0 through 6.3.16; 6.4.0 through 6.4.16; 6.5.0 through 6.5.10; 7.0.0 through 7.0.5."
            }
          ],
          "value": "An application using spring-security-saml2-service-provider and the REDIRECT binding for SAML 2.0 Login or Logout may be vulnerable to a denial of service by way of an unbounded writer that inflates the compressed SAML payload into memory.\n\nAffected versions:\nSpring Security 5.7.0 through 5.7.23; 5.8.0 through 5.8.25; 6.3.0 through 6.3.16; 6.4.0 through 6.4.16; 6.5.0 through 6.5.10; 7.0.0 through 7.0.5."
        }
      ],
      "impacts": [
        {
          "descriptions": [
            {
              "lang": "en",
              "value": "An unauthenticated remote attacker can cause denial of service by sending a crafted SAML REDIRECT binding request that inflates an unbounded compressed payload into memory."
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-400",
              "description": "CWE-400: Uncontrolled Resource Consumption",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-06-27T21:22:39.249Z",
        "orgId": "dcf2e128-44bd-42ed-91e8-88f912c1401d",
        "shortName": "vmware"
      },
      "references": [
        {
          "url": "https://spring.io/security/cve-2026-40988"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Unbounded DEFLATE Inflation in SAML 2.0 Service Provider",
      "x_generator": {
        "engine": "Vulnogram 1.0.1"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "dcf2e128-44bd-42ed-91e8-88f912c1401d",
    "assignerShortName": "vmware",
    "cveId": "CVE-2026-40988",
    "datePublished": "2026-06-09T23:46:15.589Z",
    "dateReserved": "2026-04-16T02:19:09.389Z",
    "dateUpdated": "2026-06-27T21:22:39.249Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-40988\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-06-10T18:08:29.853478Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-06-10T18:08:34.655Z\"}}], \"cna\": {\"title\": \"Unbounded DEFLATE Inflation in SAML 2.0 Service Provider\", \"source\": {\"discovery\": \"UNKNOWN\"}, \"impacts\": [{\"descriptions\": [{\"lang\": \"en\", \"value\": \"An unauthenticated remote attacker can cause denial of service by sending a crafted SAML REDIRECT binding request that inflates an unbounded compressed payload into memory.\"}]}], \"metrics\": [{\"format\": \"CVSS\", \"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 7.5, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"NONE\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"vendor\": \"Spring\", \"product\": \"Spring Security\", \"versions\": [{\"status\": \"affected\", \"version\": \"5.7.0\", \"lessThan\": \"5.7.24\", \"versionType\": \"custom\"}, {\"status\": \"affected\", \"version\": \"5.8.0\", \"lessThan\": \"5.8.26\", \"versionType\": \"custom\"}, {\"status\": \"affected\", \"version\": \"6.3.0\", \"lessThan\": \"6.3.17\", \"versionType\": \"custom\"}, {\"status\": \"affected\", \"version\": \"6.4.0\", \"lessThan\": \"6.4.17\", \"versionType\": \"custom\"}, {\"status\": \"affected\", \"version\": \"6.5.0\", \"lessThan\": \"6.5.10.2\", \"versionType\": \"custom\"}, {\"status\": \"affected\", \"version\": \"7.0.0\", \"lessThan\": \"7.0.5.1\", \"versionType\": \"custom\"}], \"defaultStatus\": \"unaffected\"}], \"references\": [{\"url\": \"https://spring.io/security/cve-2026-40988\"}], \"x_generator\": {\"engine\": \"Vulnogram 1.0.1\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"An application using spring-security-saml2-service-provider and the REDIRECT binding for SAML 2.0 Login or Logout may be vulnerable to a denial of service by way of an unbounded writer that inflates the compressed SAML payload into memory.\\n\\nAffected versions:\\nSpring Security 5.7.0 through 5.7.23; 5.8.0 through 5.8.25; 6.3.0 through 6.3.16; 6.4.0 through 6.4.16; 6.5.0 through 6.5.10; 7.0.0 through 7.0.5.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"An application using spring-security-saml2-service-provider and the REDIRECT binding for SAML 2.0 Login or Logout may be vulnerable to a denial of service by way of an unbounded writer that inflates the compressed SAML payload into memory.\\n\\nAffected versions:\\nSpring Security 5.7.0 through 5.7.23; 5.8.0 through 5.8.25; 6.3.0 through 6.3.16; 6.4.0 through 6.4.16; 6.5.0 through 6.5.10; 7.0.0 through 7.0.5.\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-400\", \"description\": \"CWE-400: Uncontrolled Resource Consumption\"}]}], \"providerMetadata\": {\"orgId\": \"dcf2e128-44bd-42ed-91e8-88f912c1401d\", \"shortName\": \"vmware\", \"dateUpdated\": \"2026-06-27T21:22:39.249Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-40988\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-06-27T21:22:39.249Z\", \"dateReserved\": \"2026-04-16T02:19:09.389Z\", \"assignerOrgId\": \"dcf2e128-44bd-42ed-91e8-88f912c1401d\", \"datePublished\": \"2026-06-09T23:46:15.589Z\", \"assignerShortName\": \"vmware\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.


Loading…

Loading…