Apache APISIX: Openid-connect `tls_verify` field is disabled by default

{
  "id": "545cb5cae3e65f2d744af2b1e4edbf3c07c2ed87629907d86c14e7fda39d8fff",
  "url": "https://osv.dev/vulnerability/CVE-2026-31923",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Apache APISIX: Openid-connect `tls_verify` field is disabled by default",
    "summary": "Cleartext Transmission of Sensitive Information vulnerability in Apache APISIX. This can occur due to `ssl_verify` in openid-connect plugin configuration being set to false by default. This issue affects Apache APISIX: from 0.7 through 3.15.0. Users are recommended to upgrade to version 3.16.0, which fixes the issue.",
    "evidence": "osv:CVE-2026-31923",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-31923",
      "aliases": [
        "BIT-apisix-2026-31923",
        "CVE-2026-31923"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/apache/apisix",
              "type": "GIT",
              "events": [
                {
                  "introduced": "71920bc606bd0381291f2cbe9bc1aa24cc89a52e"
                },
                {
                  "fixed": "f9c4ee37170bdfe075c846973c1be65a582a0c4f"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:apache:apisix:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0.7"
                      },
                      {
                        "fixed": "3.16.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "3.9.0",
            "3.8.0",
            "3.7.0",
            "3.6.0",
            "3.2.0",
            "v0.9",
            "0.9-RC1",
            "v0.7"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-31923.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:49.634689096Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/31xxx/CVE-2026-31923.json",
        "https://lists.apache.org/thread/0pjs72l7qj83j3srw1l1toyj24bsgkds",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-31923"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-319"
        ],
        "cna_assigner": "apache",
        "unresolved_ranges": [
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "0.7"
                  },
                  {
                    "last_affected": "3.15.0"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandardRange"
              }
            ]
          }
        ],
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/31xxx/CVE-2026-31923.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-31923",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 518113,
  "published_at": "2026-04-14T08:38:59.039+00:00"
}