{
  "affected": [],
  "aliases": [
    "CVE-2026-77756"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-444"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-23T12:17:06Z",
    "severity": null
  },
  "details": "Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') vulnerability in Apache Tomcat caused by processing the transfer-encoding header for an HTTP/1.0 request may allow an attacker to cause one request from another user to fail when Tomcat is located behind a reverse proxy.\n\n\n\nThis issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.25, from 10.1.0-M1 through 10.1.59, from 9.0.47 through 9.0.121.\n\n\n\nThe following versions were EOL at the time the CVE was created but are \nknown to be affected: from 8.5.67 through 8.5.100. Other unsupported versions may also be affected.\n\n\n\nUsers are recommended to upgrade to version 11.0.26, 10.1.60 or 9.0.122, which fix the issue.",
  "id": "GHSA-gpfr-7w77-mp48",
  "modified": "2026-09-23T12:31:15Z",
  "published": "2026-09-23T12:31:15Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-77756"
    },
    {
      "type": "WEB",
      "url": "https://lists.apache.org/thread/bl5b6rxqh3vb2k9bj2794vhor7o6xl3z"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}