{
  "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-2026-12611",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-12611",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-09-08T12:28:51.669Z",
    "updatedAt": "2026-09-09T10:15:48.299Z",
    "importedAt": "2026-10-24T01:57:55.771Z",
    "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": null,
      "summary": "A client may issue HTTP/2 requests to a Jetty server that result in blocking writes that are never unblocked, eventually causing all threads to be blocked and the whole server to become unresponsive.\n\n\n\n\nThis is caused by a race condition in the server when handling RST_STREAM frames and GOAWAY frames sent by the client.\n\n\n\n\nThe race condition \"resets\" the HTTP2Flusher.terminated, previously set to a non-null value, to the null value, allowing entries to be enqueued in the flusher that however will never be processed. These unprocessed entries are the ones that would unblock the write-blocked threads.",
      "affected": [
        {
          "vendor": "Eclipse Foundation",
          "product": "Eclipse Jetty",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "12.1.0",
              "status": "affected",
              "versionType": "semver",
              "lessThanOrEqual": "12.1.10"
            },
            {
              "version": "12.0.0",
              "status": "affected",
              "versionType": "semver",
              "lessThanOrEqual": "12.0.37"
            },
            {
              "version": "11.00",
              "status": "affected",
              "versionType": "semver",
              "lessThanOrEqual": "11.0.31"
            },
            {
              "version": "10.0.0",
              "status": "affected",
              "versionType": "semver",
              "lessThanOrEqual": "10.0.31"
            },
            {
              "version": "9.4.36",
              "status": "affected",
              "versionType": "semver",
              "lessThanOrEqual": "9.4.63"
            }
          ]
        }
      ]
    }
  }
}