advisory-database/advisories/github-reviewed/2026/06/GHSA-hhpq-7wg4-36jm/GHSA-hhpq-7wg4-36jm.json at 187f12b2547a9a9e94bccf5591991414bf9ba574 · github/advisory-database · GitHub

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{
  "schema_version": "1.4.0",
  "id": "GHSA-hhpq-7wg4-36jm",
  "modified": "2026-06-20T19:03:45Z",
  "published": "2026-06-17T18:52:09Z",
  "aliases": [
    "CVE-2026-55590"
  ],
  "summary": "CakePHP Authentication: Open redirect weakness via backslash bypass",
  "details": "### Impact\nThe `getLoginRedirect()` method contains a weakness to backslash bypasses allowing redirect targets with attacker controlled hostnames.\n\n### Patches\n2.11.1, 3.3.6 and 4.1.1 contain a fix for this issue.\n\n### Workarounds\nIf you are unable to upgrade, you should consider adding application validation to the redirect query string parameter to mitigate this vulnerability.",
  "severity": [
    {
      "type": "CVSS_V4",
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N"
    }
  ],
  "affected": [
    {
      "package": {
        "ecosystem": "Packagist",
        "name": "cakephp/authentication"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "3.0.0"
            },
            {
              "fixed": "3.3.6"
            }
          ]
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Packagist",
        "name": "cakephp/authentication"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "4.0.0"
            },
            {
              "fixed": "4.1.1"
            }
          ]
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Packagist",
        "name": "cakephp/authentication"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.11.1"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/cakephp/authentication/security/advisories/GHSA-hhpq-7wg4-36jm"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/cakephp/authentication"
    }
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-601"
    ],
    "severity": "MODERATE",
    "github_reviewed": true,
    "github_reviewed_at": "2026-06-17T18:52:09Z",
    "nvd_published_at": null
  }
}