{
  "document": {
    "aggregate_severity": {
      "text": "Medium"
    },
    "category": "csaf_vex",
    "csaf_version": "2.0",
    "distribution": {
      "text": "TuxCare License Agreement",
      "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 Cloud Linux Inc. and provide a link to the original.",
        "title": "Terms of Use"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "https://tuxcare.com/contact/",
      "name": "TuxCare",
      "namespace": "https://tuxcare.com/"
    },
    "references": [
      {
        "category": "self",
        "summary": "Canonical URL",
        "url": "https://security.tuxcare.com/csaf/v2/els_os/rhel7els/vex/2026/cve-2026-3783-els_os-rhel7els.json"
      }
    ],
    "tracking": {
      "current_release_date": "2026-06-13T02:55:42Z",
      "generator": {
        "date": "2026-06-13T02:55:42Z",
        "engine": {
          "name": "pyCSAF"
        }
      },
      "id": "CVE-2026-3783-ELS_OS-RHEL7ELS",
      "initial_release_date": "2026-03-11T10:09:00Z",
      "revision_history": [
        {
          "date": "2026-03-11T10:09:00Z",
          "number": "1",
          "summary": "Initial version"
        },
        {
          "date": "2026-06-13T02:55:42Z",
          "number": "2",
          "summary": "Official Publication"
        }
      ],
      "status": "final",
      "version": "2"
    },
    "title": "Security update on CVE-2026-3783"
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_name",
                "name": "Red Hat Enterprise Linux 7",
                "product": {
                  "name": "Red Hat Enterprise Linux 7",
                  "product_id": "Red-Hat-7",
                  "product_identification_helper": {
                    "cpe": "cpe:2.3:o:redhat:enterprise_linux:7:*:*:*:*:*:*:*"
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "Red Hat Enterprise Linux"
          }
        ],
        "category": "vendor",
        "name": "Red Hat, Inc."
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "curl-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.x86_64",
                "product": {
                  "name": "curl-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.x86_64",
                  "product_id": "curl-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.x86_64",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/tuxcare/curl@7.29.0-59.0.3.el7_9.2.tuxcare.els2?arch=x86_64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "libcurl-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.x86_64",
                "product": {
                  "name": "libcurl-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.x86_64",
                  "product_id": "libcurl-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.x86_64",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/tuxcare/libcurl@7.29.0-59.0.3.el7_9.2.tuxcare.els2?arch=x86_64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "libcurl-devel-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.x86_64",
                "product": {
                  "name": "libcurl-devel-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.x86_64",
                  "product_id": "libcurl-devel-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.x86_64",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/tuxcare/libcurl-devel@7.29.0-59.0.3.el7_9.2.tuxcare.els2?arch=x86_64"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "x86_64"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "libcurl-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.i686",
                "product": {
                  "name": "libcurl-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.i686",
                  "product_id": "libcurl-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.i686",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/tuxcare/libcurl@7.29.0-59.0.3.el7_9.2.tuxcare.els2?arch=i686"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "libcurl-devel-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.i686",
                "product": {
                  "name": "libcurl-devel-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.i686",
                  "product_id": "libcurl-devel-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.i686",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/tuxcare/libcurl-devel@7.29.0-59.0.3.el7_9.2.tuxcare.els2?arch=i686"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "i686"
          }
        ],
        "category": "vendor",
        "name": "TuxCare"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "curl-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.x86_64 as a component of Red Hat Enterprise Linux 7",
          "product_id": "Red-Hat-7:curl-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.x86_64"
        },
        "product_reference": "curl-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.x86_64",
        "relates_to_product_reference": "Red-Hat-7"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libcurl-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.i686 as a component of Red Hat Enterprise Linux 7",
          "product_id": "Red-Hat-7:libcurl-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.i686"
        },
        "product_reference": "libcurl-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.i686",
        "relates_to_product_reference": "Red-Hat-7"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libcurl-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.x86_64 as a component of Red Hat Enterprise Linux 7",
          "product_id": "Red-Hat-7:libcurl-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.x86_64"
        },
        "product_reference": "libcurl-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.x86_64",
        "relates_to_product_reference": "Red-Hat-7"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libcurl-devel-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.x86_64 as a component of Red Hat Enterprise Linux 7",
          "product_id": "Red-Hat-7:libcurl-devel-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.x86_64"
        },
        "product_reference": "libcurl-devel-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.x86_64",
        "relates_to_product_reference": "Red-Hat-7"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libcurl-devel-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.i686 as a component of Red Hat Enterprise Linux 7",
          "product_id": "Red-Hat-7:libcurl-devel-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.i686"
        },
        "product_reference": "libcurl-devel-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.i686",
        "relates_to_product_reference": "Red-Hat-7"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-3783",
      "cwe": {
        "id": "CWE-201",
        "name": "Insertion of Sensitive Information Into Sent Data"
      },
      "notes": [
        {
          "category": "description",
          "text": "When an OAuth2 bearer token is used for an HTTP(S) transfer, and that transfer\nperforms a redirect to a second URL, curl could leak that token to the second\nhostname under some circumstances.\nIf the hostname that the first request is redirected to has information in the\nused .netrc file, with either of the `machine` or `default` keywords, curl\nwould pass on the bearer token set for the first host also to the second one.",
          "title": "Vulnerability description"
        },
        {
          "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"
        },
        {
          "category": "other",
          "text": "TuxCare has assessed that this vulnerability does not impact any currently supported TuxCare products. This evaluation may change as new information becomes available. For additional details regarding this vulnerability and affected products, refer to the provided references.",
          "title": "Statement"
        }
      ],
      "product_status": {
        "known_not_affected": [
          "Red-Hat-7:curl-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.x86_64",
          "Red-Hat-7:libcurl-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.i686",
          "Red-Hat-7:libcurl-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.x86_64",
          "Red-Hat-7:libcurl-devel-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.i686",
          "Red-Hat-7:libcurl-devel-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.x86_64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://cve.tuxcare.com/els/cve/CVE-2026-3783"
        }
      ],
      "release_date": "2026-03-11T10:09:00Z",
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.7,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N",
            "version": "3.1"
          },
          "products": [
            "Red-Hat-7:curl-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.x86_64",
            "Red-Hat-7:libcurl-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.i686",
            "Red-Hat-7:libcurl-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.x86_64",
            "Red-Hat-7:libcurl-devel-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.i686",
            "Red-Hat-7:libcurl-devel-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        },
        {
          "category": "impact",
          "date": "2026-06-12T13:06:07.838801Z",
          "details": "Not affected. CVE-2026-3783 impacts curl versions 7.33.0 through 8.18.0 and requires the OAuth2 bearer token feature introduced in 7.33.0; the package in scope is curl 7.29.0, which predates this functionality. Because this version lacks OAuth2 bearer token support, the redirect + .netrc leak path does not exist.",
          "product_ids": [
            "Red-Hat-7:curl-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.x86_64",
            "Red-Hat-7:libcurl-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.i686",
            "Red-Hat-7:libcurl-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.x86_64",
            "Red-Hat-7:libcurl-devel-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.i686",
            "Red-Hat-7:libcurl-devel-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.x86_64"
          ]
        }
      ]
    }
  ]
}