{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:apache:traffic_server:*:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "9.2.0"
              },
              {
                "fixed": "9.2.15"
              },
              {
                "introduced": "10.0.0"
              },
              {
                "fixed": "10.1.4"
              }
            ],
            "source": "CPE_RANGE"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "f671e525110be50452f607fc1f2657f3dba7fe3b"
            },
            {
              "introduced": "3fa146678bc6a061722f4ea930998ae29ad70de3"
            },
            {
              "fixed": "f8be6725daee427fbf88f166f14b10cb5525b220"
            }
          ],
          "repo": "https://github.com/apache/trafficserver",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "apache",
    "cwe_ids": [
      "CWE-20"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/33xxx/CVE-2026-33267.json",
    "unresolved_ranges": [
      {
        "extracted_events": [
          {
            "introduced": "9.2.0"
          },
          {
            "last_affected": "9.2.14"
          },
          {
            "introduced": "10.1.0"
          },
          {
            "last_affected": "10.1.3"
          }
        ],
        "source": "AFFECTED_FIELD"
      },
      {
        "extracted_events": [
          {
            "introduced": "9.2.0"
          },
          {
            "fixed": "9.2.14"
          },
          {
            "introduced": "10.1.0"
          },
          {
            "fixed": "10.1.3"
          }
        ],
        "source": "DESCRIPTION"
      }
    ]
  },
  "details": "Improper Input Validation vulnerability in Apache Traffic Server.\n\nThis issue affects Apache Traffic Server: from 9.2.0 through 9.2.14, from 10.1.0 through 10.1.3.\n\nUsers are recommended to upgrade to version 9.2.15 or 10.1.4, which fixes the issue.",
  "id": "CVE-2026-33267",
  "modified": "2026-08-12T03:51:20.818167905Z",
  "published": "2026-07-29T07:21:52.256Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/33xxx/CVE-2026-33267.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://lists.apache.org/thread/5prl9glcm9g2swnq9hqxvnokylm1gr6d"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-33267"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:H/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Apache Traffic Server: Untrusted @ headers can spoof ATS internal metadata"
}