cve-2026-41849

{
  "document": {
    "aggregate_severity": {
      "namespace": "https://access.redhat.com/security/updates/classification/",
      "text": "Important"
    },
    "category": "csaf_vex",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Copyright © Red Hat, Inc. All rights reserved.",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.",
        "title": "Terms of Use"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "https://access.redhat.com/security/team/contact/",
      "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.",
      "name": "Red Hat Product Security",
      "namespace": "https://www.redhat.com"
    },
    "references": [
      {
        "category": "self",
        "summary": "Canonical URL",
        "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-41849.json"
      }
    ],
    "title": "spring-framework: Spring Framework: Denial of Service via integer overflow in SpEL",
    "tracking": {
      "current_release_date": "2026-07-20T11:25:31+00:00",
      "generator": {
        "date": "2026-07-20T11:25:31+00:00",
        "engine": {
          "name": "Red Hat SDEngine",
          "version": "5.3.7"
        }
      },
      "id": "CVE-2026-41849",
      "initial_release_date": "2026-06-09T03:51:17.283000+00:00",
      "revision_history": [
        {
          "date": "2026-06-09T03:51:17.283000+00:00",
          "number": "1",
          "summary": "Initial version"
        },
        {
          "date": "2026-07-20T11:23:22+00:00",
          "number": "2",
          "summary": "Current version"
        },
        {
          "date": "2026-07-20T11:25:31+00:00",
          "number": "3",
          "summary": "Last generated version"
        }
      ],
      "status": "final",
      "version": "3"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_name",
                "name": "OpenShift Developer Tools and Services",
                "product": {
                  "name": "OpenShift Developer Tools and Services",
                  "product_id": "openshift_developer_tools_and_services",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:redhat:ocp_tools"
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "OpenShift Developer Tools and Services"
          },
          {
            "branches": [
              {
                "category": "product_name",
                "name": "Red Hat OpenShift Dev Spaces",
                "product": {
                  "name": "Red Hat OpenShift Dev Spaces",
                  "product_id": "red_hat_openshift_dev_spaces",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:redhat:openshift_devspaces:3"
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "Red Hat OpenShift Dev Spaces"
          },
          {
            "category": "product_version",
            "name": "spring-expression",
            "product": {
              "name": "spring-expression",
              "product_id": "spring-expression",
              "product_identification_helper": {
                "purl": "pkg:maven/org.springframework/spring-expression@6.2.14"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Red Hat"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "spring-expression as a component of OpenShift Developer Tools and Services",
          "product_id": "openshift_developer_tools_and_services:spring-expression"
        },
        "product_reference": "spring-expression",
        "relates_to_product_reference": "openshift_developer_tools_and_services"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "spring-expression as a component of Red Hat OpenShift Dev Spaces",
          "product_id": "red_hat_openshift_dev_spaces:spring-expression"
        },
        "product_reference": "spring-expression",
        "relates_to_product_reference": "red_hat_openshift_dev_spaces"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-41849",
      "cwe": {
        "id": "CWE-190",
        "name": "Integer Overflow or Wraparound"
      },
      "discovery_date": "2026-06-09T05:01:30.252147+00:00",
      "flags": [
        {
          "label": "vulnerable_code_not_present",
          "product_ids": [
            "openshift_developer_tools_and_services:spring-expression",
            "red_hat_openshift_dev_spaces:spring-expression"
          ]
        }
      ],
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2486710"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in the Spring Expression Language (SpEL) within the Spring Framework. An integer overflow vulnerability allows a remote attacker to supply a specially crafted SpEL expression. This can trigger excessive resource consumption, leading to a Denial of Service (DoS) condition.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "spring-framework: Spring Framework: Denial of Service via integer overflow in SpEL",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "A flaw was found in Spring Framework. An integer overflow vulnerability exists in the evaluation logic of the Spring Expression Language (SpEL). An attacker can exploit this by supplying a specially crafted SpEL expression that triggers excessive resource consumption, resulting in a Denial of Service (DoS). This vulnerability only affects Spring Framework 5.3.48 and earlier versions. The 6.x branch is not affected. \n\nExample:\n```java\nExpressionParser parser = new SpelExpressionParser();\nExpression exp = parser.parseExpression(<user-controlled-data>);\n```\n\nIn order to be exploitable, an application is required to accept and evaluate untrusted (user-controlled) SpEL expressions. Thus AC:H.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
        "known_not_affected": [
          "openshift_developer_tools_and_services:spring-expression",
          "red_hat_openshift_dev_spaces:spring-expression"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-41849"
        },
        {
          "category": "external",
          "summary": "RHBZ#2486710",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2486710"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-41849",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-41849"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-41849",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-41849"
        },
        {
          "category": "external",
          "summary": "https://spring.io/security/cve-2026-41849",
          "url": "https://spring.io/security/cve-2026-41849"
        }
      ],
      "release_date": "2026-06-09T03:51:17.283000+00:00",
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 5.9,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "openshift_developer_tools_and_services:spring-expression",
            "red_hat_openshift_dev_spaces:spring-expression"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important",
          "product_ids": [
            "openshift_developer_tools_and_services:spring-expression",
            "red_hat_openshift_dev_spaces:spring-expression"
          ]
        }
      ],
      "title": "spring-framework: Spring Framework: Denial of Service via integer overflow in SpEL"
    }
  ]
}