{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "3.40.0"
              },
              {
                "fixed": "3.88.0"
              },
              {
                "introduced": "3.31.0"
              }
            ],
            "source": "AFFECTED_FIELD"
          },
          "events": [
            {
              "introduced": "3670886bee5c758611ee55d9572a02fdb9591840"
            },
            {
              "fixed": "fea6f8a47a50ff1330d8a5071b43e7dcffb97b22"
            },
            {
              "introduced": "35e6cfbdfc24aedcfc2e53692226d91843cac91b"
            },
            {
              "fixed": "fea6f8a47a50ff1330d8a5071b43e7dcffb97b22"
            }
          ],
          "repo": "https://github.com/payloadcms/payload",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-w84c-53h3-mc2g"
  ],
  "database_specific": {
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
      "CWE-601"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/105xxx/CVE-2026-105846.json",
    "unresolved_ranges": [
      {
        "extracted_events": [
          {
            "introduced": "4.0.0-canary.0"
          },
          {
            "fixed": "4.0.0-canary.27"
          },
          {
            "introduced": "4.0.0-canary.0"
          },
          {
            "fixed": "4.0.0-canary.27"
          }
        ],
        "source": "AFFECTED_FIELD"
      }
    ]
  },
  "details": "Payload is a free and open source headless content management system. In versions from 3.40.0 before 3.88.0 and canary versions before 4.0.0-canary.27, an attacker can craft a redirect URL parameter that sends a guest user to an untrusted destination after the authentication flow completes. This issue is fixed in versions 3.88.0 and 4.0.0-canary.27.",
  "id": "CVE-2026-105846",
  "modified": "2026-10-07T02:31:09.926806776Z",
  "published": "2026-10-06T16:01:30.370Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/105xxx/CVE-2026-105846.json"
    },
    {
      "type": "FIX",
      "url": "https://github.com/payloadcms/payload/commit/a742140ab4fca3160f7f83e9e7d996552ffc3b5a"
    },
    {
      "type": "WEB",
      "url": "https://github.com/payloadcms/payload/releases/tag/v3.88.0"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/payloadcms/payload/security/advisories/GHSA-w84c-53h3-mc2g"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-105846"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Payload: Untrusted redirect URL parameter exploit"
}