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CVE details

CVE-2026-126302

NLTK from 3.9.4 before 3.10.4 contains a symlink following vulnerability in nltk.sem.chat80.sql_query() that bypasses the pathsec data-root sandbox containment check. Attackers who can write into a trusted NLTK data root can plant a symbolic link to read SQLite databases outside the sandbox.

Score
4.8 medium
Published
2026-11-13
Links
NVD · cve.org · Report wrong data

Matched ports (1)

PortPackageVersionStatusMaintainer
textproc/py-nltkpy312-nltk3.10.0,2unaddresseddemon@FreeBSD.org

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Check the version numbers before you commit this entry. Some ports share an entry in the CVE database with another port, such as sqlite2 and sqlite3. The version shown here may then be one that never existed for this port.

Ranges per package from the CVE rows that match this port, in pkg notation with the port's epoch and revision, every bound checked with pkg; one range per epoch the port actually had. make newentry in security/vuxml creates the vid.

  <vuln vid="FIXME (make newentry)">
    <topic>py312-nltk -- FIXME</topic>
    <affects>
      <package>
	<name>py312-nltk</name>
	<range><ge>3.9.4,2</ge><lt>3.10.4,2</lt></range>
      </package>
    </affects>
    <description>
      <body xmlns="http://www.w3.org/1999/xhtml">
	<p>CVE-2026-126302: NLTK from 3.9.4 before 3.10.4 contains a symlink
	  following vulnerability in nltk.sem.chat80.sql_query() that
	  bypasses the pathsec data-root sandbox containment check. Attackers
	  who can write into a trusted NLTK data root can plant a symbolic
	  link to read SQLite databases outside the sandbox.</p>
      </body>
    </description>
    <references>
      <cvename>CVE-2026-126302</cvename>
      <url>https://nvd.nist.gov/vuln/detail/CVE-2026-126302</url>
    </references>
    <dates>
      <discovery>2026-11-13</discovery>
      <entry>2026-11-13</entry>
    </dates>
  </vuln>