{
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    "cna": {
      "providerMetadata": {
        "orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09"
      },
      "title": "forward auth plugin allows header injection",
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "CWE-75 Failure to Sanitize Special Elements into a Different Plane (Special Element Injection)",
              "lang": "en",
              "cweId": "CWE-75",
              "type": "CWE"
            }
          ]
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "affected": [
        {
          "vendor": "Apache Software Foundation",
          "product": "Apache APISIX",
          "versions": [
            {
              "status": "affected",
              "version": "2.12.0",
              "lessThanOrEqual": "3.15.0",
              "versionType": "semver"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ],
      "descriptions": [
        {
          "value": "Header injection vulnerability in Apache APISIX.\n\nThe attacker can take advantage of certain configuration in forward-auth plugin to inject malicious headers.\nThis issue affects Apache APISIX: from 2.12.0 through 3.15.0.\n\nUsers are recommended to upgrade to version 3.16.0, which fixes the issue.",
          "lang": "en",
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              "value": "<p>Header injection vulnerability in Apache APISIX.</p><span style=\"background-color: rgb(255, 255, 255);\">The attacker can take advantage of certain configuration in forward-auth plugin to inject malicious headers.</span><br><p>This issue affects Apache APISIX: from 2.12.0 through 3.15.0.</p><p>Users are recommended to upgrade to version 3.16.0, which fixes the issue.</p>"
            }
          ]
        }
      ],
      "references": [
        {
          "url": "https://lists.apache.org/thread/sob643s5lztov7x579j8o0c444t36n6b",
          "tags": [
            "vendor-advisory"
          ]
        }
      ],
      "metrics": [
        {
          "other": {
            "type": "Textual description of severity",
            "content": {
              "text": "moderate"
            }
          }
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "SeungMyung Lee",
          "type": "reporter"
        }
      ],
      "x_generator": {
        "engine": "Vulnogram 0.2.0"
      }
    }
  },
  "cveMetadata": {
    "cveId": "CVE-2026-31908",
    "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
    "serial": 1,
    "state": "PUBLISHED"
  },
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  "dataVersion": "5.1"
}