Apache Traffic Server: HTTP/2 multiplexed origin sessions are reused without certificate re-verification

{
  "id": "16f667650ce57c3dd75ca87e8f76e755cc0f263a076071c9eccc6d98e9ced84e",
  "url": "https://osv.dev/vulnerability/CVE-2026-65325",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Apache Traffic Server: HTTP/2 multiplexed origin sessions are reused without certificate re-verification",
    "summary": "Apache Traffic Server reuses multiplexed HTTP/2 origin connections without verifying the server certificate covers the new request hostname. This issue affects Apache Traffic Server: from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3. Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.",
    "evidence": "osv:CVE-2026-65325",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2026-65325",
      "aliases": [
        "CVE-2026-65325"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/apache/trafficserver",
              "type": "GIT",
              "events": [
                {
                  "introduced": "b14030656330ed623cd1f9efe2f4f9abd9d16e29"
                },
                {
                  "fixed": "f671e525110be50452f607fc1f2657f3dba7fe3b"
                },
                {
                  "introduced": "3fa146678bc6a061722f4ea930998ae29ad70de3"
                },
                {
                  "fixed": "f8be6725daee427fbf88f166f14b10cb5525b220"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:apache:traffic_server:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "9.0.0"
                      },
                      {
                        "fixed": "9.2.15"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:apache:traffic_server:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "10.0.0"
                      },
                      {
                        "fixed": "10.1.4"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-65325.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:28.373573870Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/65xxx/CVE-2026-65325.json",
        "https://lists.apache.org/thread/5prl9glcm9g2swnq9hqxvnokylm1gr6d",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-65325"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-295"
        ],
        "cna_assigner": "apache",
        "unresolved_ranges": [
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "9.0.0"
                  },
                  {
                    "last_affected": "9.2.14"
                  },
                  {
                    "introduced": "10.0.0"
                  },
                  {
                    "last_affected": "10.1.3"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandardRange"
              }
            ]
          }
        ],
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/65xxx/CVE-2026-65325.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-65325",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 495332,
  "published_at": "2026-07-29T08:23:28.374+00:00"
}