{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "source": "REFERENCES"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "a2ab6d409d2676eb0711ecbd737192043125b437"
            }
          ],
          "repo": "https://github.com/forem/forem",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-3g4h-9h37-mpx6"
  ],
  "database_specific": {
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
      "CWE-287"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/48xxx/CVE-2026-48780.json",
    "unresolved_ranges": [
      {
        "extracted_events": [
          {
            "fixed": "a2ab6d4"
          }
        ],
        "source": "AFFECTED_FIELD"
      }
    ]
  },
  "details": "Forem is open source software for building communities. Prior to commit a2ab6d4, a maliciously crafted email address could allow an attacker to bypass domain allowlist or denylist restrictions and gain access to invite-only forem deployments. The issue is patched as of `a2ab6d4`. As a workaround, some SMTP servers and email delivery providers may drop or refuse to send maliciously crafted email addresses.",
  "id": "CVE-2026-48780",
  "modified": "2026-07-08T05:37:22.702221083Z",
  "published": "2026-06-16T14:10:27.047Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/48xxx/CVE-2026-48780.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/forem/forem/security/advisories/GHSA-3g4h-9h37-mpx6"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-48780"
    },
    {
      "type": "FIX",
      "url": "https://github.com/forem/forem/commit/a2ab6d409d2676eb0711ecbd737192043125b437"
    }
  ],
  "schema_version": "1.7.5",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Forem vulnerable to bypass of email address domain restrictions"
}