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CVE details

CVE-2026-123859

When identifier escaping is disabled through a non-default configuration, the write_pandas() data-loading functionality in the Snowflake Connector for Python and the Snowflake Connector for Python (Universal Core) did not escape DataFrame column names before including them in generated SQL, which could allow SQL injection. In both products, a crafted column name could have been used to chain additional SQL statements onto the generated statement, potentially allowing an attacker to read, modify, or delete other data accessible to the application's Snowflake role. Exploitation required an application to pass attacker controlled column names into this functionality. The fix is available in Snowflake Connector for Python version 4.8.1 and Snowflake Connector for Python (Universal Core) version 5.2.0. Users must upgrade manually.

Score
8.1 high
Published
2026-11-06
Links
NVD · cve.org · Report wrong data

Matched ports (1)

PortPackageVersionStatusMaintainer
databases/py-snowflake-connector-pythonpy312-snowflake-connector-python4.7.1unaddressedpatmaddox@FreeBSD.org

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No CPE in the port Makefile

databases/py-snowflake-connector-python (CPE matched by the package name) has no USES=cpe. The CVE was matched through a CPE from another source, so the package and the version range may belong to a different product. Check the CVE record before using this entry.

  <vuln vid="FIXME (make newentry)">
    <topic>py312-snowflake-connector-python -- FIXME</topic>
    <affects>
      <package>
	<name>py312-snowflake-connector-python</name>
	<range><ge>2.3.4</ge><lt>4.8.1</lt></range>
      </package>
    </affects>
    <description>
      <body xmlns="http://www.w3.org/1999/xhtml">
	<p>CVE-2026-123859: When identifier escaping is disabled through a non-
	  default configuration, the write_pandas() data-loading
	  functionality in the Snowflake Connector for Python and the
	  Snowflake Connector for Python (Universal Core) did not escape
	  DataFrame column names before including them in generated SQL,
	  which could allow SQL injection. In both products, a crafted column
	  name could have been used to chain additional SQL statements onto
	  the generated statement, potentially allowing an attacker to read,
	  modify, or delete other data accessible to the application's
	  Snowflake role. Exploitation required an application to pass
	  attacker controlled column names into this functionality. The fix
	  is available in Snowflake Connector for Python version 4.8.1 and
	  Snowflake Connector for Python (Universal Core) version 5.2.0.
	  Users must upgrade manually.</p>
      </body>
    </description>
    <references>
      <cvename>CVE-2026-123859</cvename>
      <url>https://nvd.nist.gov/vuln/detail/CVE-2026-123859</url>
    </references>
    <dates>
      <discovery>2026-11-06</discovery>
      <entry>2026-11-07</entry>
    </dates>
  </vuln>