{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "3.2.3"
              },
              {
                "fixed": "3.3.4"
              }
            ],
            "source": [
              "DESCRIPTION",
              "REFERENCES"
            ]
          },
          "events": [
            {
              "introduced": "eb07917c14672e88d4ab9ff4e2202a4a998de4a3"
            },
            {
              "fixed": "304e6f041525d6abd9576ce937d5a3125ffa4d76"
            },
            {
              "fixed": "56bb3e5abb83eae42a64203028d73a001d6096c4"
            }
          ],
          "repo": "https://github.com/tobychui/zoraxy",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-290"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/100xxx/CVE-2026-100390.json"
  },
  "details": "Zoraxy versions 3.2.3 through 3.3.4 fail to properly parse IPv6 addresses in the RemoteAddr field when setting forwarded headers. Unauthenticated attackers connecting over IPv6 can supply arbitrary X-Forwarded-For values to spoof their source IP and bypass authorization provider IP-based access controls.",
  "id": "CVE-2026-100390",
  "modified": "2026-09-27T03:30:26.778516282Z",
  "published": "2026-09-25T20:13:09.522Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/100xxx/CVE-2026-100390.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-100390"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/zoraxy-3.2.3-through-3.3.4-client-ip-spoofing-via-x-forwarded-for-ipv6"
    },
    {
      "type": "FIX",
      "url": "https://github.com/tobychui/zoraxy/commit/56bb3e5abb83eae42a64203028d73a001d6096c4"
    },
    {
      "type": "FIX",
      "url": "https://github.com/tobychui/zoraxy/pull/1264"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/tobychui/zoraxy"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/tobychui/zoraxy/blob/v3.3.4/src/mod/auth/sso/forward/util.go#L127-L142"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Zoraxy 3.2.3 through 3.3.4 Client IP Spoofing via X-Forwarded-For IPv6"
}