{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "3.35.3"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "REFERENCES"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "27901d12245ea722b3b4e211c60e2ade4e7c8efd"
            }
          ],
          "repo": "https://github.com/pyathena-dev/PyAthena",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-xwj5-g6cv-4r5c"
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-89"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/65xxx/CVE-2026-65321.json"
  },
  "details": "PyAthena prior to 3.35.4 contains a sql injection vulnerability that allows unauthenticated attackers to inject arbitrary SQL by exploiting improper quote-escaping in DefaultParameterFormatter.format(), which routes DELETE and CTAS statements to the _escape_hive function that backslash-escapes single quotes rather than doubling them. Because Athena and Trino do not treat backslashes as escape characters inside string literals, attacker-supplied input such as a single quote followed by SQL syntax causes the parser to terminate the string literal prematurely, enabling data exfiltration via UNION SELECT, execution of destructive statements, and attacker-controlled CTAS destination and content.",
  "id": "CVE-2026-65321",
  "modified": "2026-08-07T11:31:33.605797200Z",
  "published": "2026-08-02T14:56:28.910Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/65xxx/CVE-2026-65321.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/laughingman7743/PyAthena/security/advisories/GHSA-xwj5-g6cv-4r5c"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-65321"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/pyathena-sql-injection-via-defaultparameterformatter-delete-ctas"
    },
    {
      "type": "FIX",
      "url": "https://github.com/pyathena-dev/PyAthena/commit/27901d12245ea722b3b4e211c60e2ade4e7c8efd"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/laughingman7743/PyAthena"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/rahulreddykarne/CVE-2026-65321-pyathena"
    },
    {
      "type": "ARTICLE",
      "url": "https://rahulkarne.com/#/cve/CVE-2026-65321"
    }
  ],
  "schema_version": "1.8.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "PyAthena SQL Injection via DefaultParameterFormatter DELETE/CTAS"
}