CVE-2026-12074
Published:July 31, 2026
Updated:August 27, 2026
"FramenetCorpusReader.frame(name)" interpolates a caller-supplied frame name into an XML file path that is read with the builtin "open()", bypassing "CorpusReader.open()" and the "nltk.pathsec" sandbox — including strict "ENFORCE=True" mode. A "../" sequence in the name escapes the corpus root, yielding an arbitrary XML file read whose parsed content is returned to the caller.
Affected Packages
nltk (CONDA):
Affected version(s) >=2.0.3 <3.10.0Fix Suggestion:
Update to version 3.10.0nltk (PYTHON):
Affected version(s) >=0.8 <3.10.0Fix Suggestion:
Update to version 3.10.0Related Resources (5)
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Contact UsCVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')