{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2026-6276",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-6276",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-05-13T08:28:19.273Z",
    "updatedAt": "2026-09-15T06:03:04.059Z",
    "importedAt": "2026-10-24T01:58:25.636Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": "stale custom cookie host causes cookie leak",
      "summary": "Using libcurl, when a custom `Host:` header is first set for an HTTP request\nand a second request is subsequently done using the same *easy handle* but\nwithout the custom `Host:` header set, the second request would use stale\ninformation and pass on cookies meant for the first host in the second\nrequest. Leak them.",
      "affected": [
        {
          "vendor": "curl",
          "product": "curl",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "7.71.0",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "8.14.2"
            },
            {
              "version": "8.15.0",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "8.16.1"
            },
            {
              "version": "8.17.0",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "8.20.0"
            }
          ]
        },
        {
          "vendor": "curl",
          "product": "curl",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "e15e51384a423be31318b3c9c7d612a1aae661fd",
              "status": "affected",
              "versionType": "git",
              "lessThan": "3a19987a87f393d9394fe5acc7643f6c263c92db"
            }
          ]
        },
        {
          "vendor": "curl",
          "product": "curl",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "8.19.0",
              "status": "affected"
            },
            {
              "version": "8.18.0",
              "status": "affected"
            },
            {
              "version": "8.17.0",
              "status": "affected"
            },
            {
              "version": "8.16.0",
              "status": "affected"
            },
            {
              "version": "8.15.0",
              "status": "affected"
            },
            {
              "version": "8.14.1",
              "status": "affected"
            },
            {
              "version": "8.14.0",
              "status": "affected"
            },
            {
              "version": "8.13.0",
              "status": "affected"
            },
            {
              "version": "8.12.1",
              "status": "affected"
            },
            {
              "version": "8.12.0",
              "status": "affected"
            },
            {
              "version": "8.11.1",
              "status": "affected"
            },
            {
              "version": "8.11.0",
              "status": "affected"
            },
            {
              "version": "8.10.1",
              "status": "affected"
            },
            {
              "version": "8.10.0",
              "status": "affected"
            },
            {
              "version": "8.9.1",
              "status": "affected"
            },
            {
              "version": "8.9.0",
              "status": "affected"
            },
            {
              "version": "8.8.0",
              "status": "affected"
            },
            {
              "version": "8.7.1",
              "status": "affected"
            },
            {
              "version": "8.7.0",
              "status": "affected"
            },
            {
              "version": "8.6.0",
              "status": "affected"
            },
            {
              "version": "8.5.0",
              "status": "affected"
            },
            {
              "version": "8.4.0",
              "status": "affected"
            },
            {
              "version": "8.3.0",
              "status": "affected"
            },
            {
              "version": "8.2.1",
              "status": "affected"
            },
            {
              "version": "8.2.0",
              "status": "affected"
            },
            {
              "version": "8.1.2",
              "status": "affected"
            },
            {
              "version": "8.1.1",
              "status": "affected"
            },
            {
              "version": "8.1.0",
              "status": "affected"
            },
            {
              "version": "8.0.1",
              "status": "affected"
            },
            {
              "version": "8.0.0",
              "status": "affected"
            },
            {
              "version": "7.88.1",
              "status": "affected"
            },
            {
              "version": "7.88.0",
              "status": "affected"
            },
            {
              "version": "7.87.0",
              "status": "affected"
            },
            {
              "version": "7.86.0",
              "status": "affected"
            },
            {
              "version": "7.85.0",
              "status": "affected"
            },
            {
              "version": "7.84.0",
              "status": "affected"
            },
            {
              "version": "7.83.1",
              "status": "affected"
            },
            {
              "version": "7.83.0",
              "status": "affected"
            },
            {
              "version": "7.82.0",
              "status": "affected"
            },
            {
              "version": "7.81.0",
              "status": "affected"
            },
            {
              "version": "7.80.0",
              "status": "affected"
            },
            {
              "version": "7.79.1",
              "status": "affected"
            },
            {
              "version": "7.79.0",
              "status": "affected"
            },
            {
              "version": "7.78.0",
              "status": "affected"
            },
            {
              "version": "7.77.0",
              "status": "affected"
            },
            {
              "version": "7.76.1",
              "status": "affected"
            },
            {
              "version": "7.76.0",
              "status": "affected"
            },
            {
              "version": "7.75.0",
              "status": "affected"
            },
            {
              "version": "7.74.0",
              "status": "affected"
            },
            {
              "version": "7.73.0",
              "status": "affected"
            },
            {
              "version": "7.72.0",
              "status": "affected"
            },
            {
              "version": "7.71.1",
              "status": "affected"
            },
            {
              "version": "7.71.0",
              "status": "affected"
            }
          ]
        }
      ]
    }
  }
}