{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": [
              "cpe:2.3:a:apache:apisix:3.8.0:*:*:*:*:*:*:*",
              "cpe:2.3:a:apache:apisix:3.9.0:*:*:*:*:*:*:*"
            ],
            "extracted_events": [
              {
                "introduced": "3.8.0"
              },
              {
                "last_affected": "3.8.0"
              },
              {
                "introduced": "3.9.0"
              },
              {
                "last_affected": "3.9.0"
              }
            ],
            "source": "CPE_STRING"
          },
          "events": [
            {
              "introduced": "e01b7e43f4958507bd64c7d10864c71202cebdf1"
            },
            {
              "last_affected": "9bcabaf12769bb3ce4fcfa73e51bafb9d40c3bd9"
            }
          ],
          "repo": "https://github.com/apache/apisix",
          "type": "GIT"
        }
      ],
      "versions": [
        "3.8.0",
        "3.9.0"
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "apache",
    "cwe_ids": [
      "CWE-444"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/32xxx/CVE-2024-32638.json",
    "unresolved_ranges": [
      {
        "extracted_events": [
          {
            "introduced": "3.8.0"
          },
          {
            "last_affected": "3.9.0"
          }
        ],
        "source": "AFFECTED_FIELD"
      }
    ]
  },
  "details": "Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling') vulnerability in Apache APISIX when using `forward-auth` plugin.This issue affects Apache APISIX: from 3.8.0, 3.9.0.\n\nUsers are recommended to upgrade to version 3.8.1, 3.9.1 or higher, which fixes the issue.",
  "id": "CVE-2024-32638",
  "modified": "2026-07-08T05:37:42.492740498Z",
  "published": "2024-05-02T09:20:29.127Z",
  "references": [
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2024/05/02/2"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/32xxx/CVE-2024-32638.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://lists.apache.org/thread/ngvgxllw4zn4hgngkqw2o225kf9wotov"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-32638"
    }
  ],
  "schema_version": "1.7.5",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Apache APISIX: Forward-Auth Request Smuggling"
}