CVE-2026-0846

A vulnerability in the filestring function of the nltk.util module in nltk version 3.9.2 allows arbitrary file read due to improper validation of input paths. The function directly opens files specified by user input without sanitization, enabling attackers to access sensitive system files by...

CVE-2026-0846 Arbitrary File Read via Absolute Path Input in nltk.util.filestring()

A vulnerability in the filestring function of the nltk.util module in nltk version 3.9.2 allows arbitrary file read due to improper validation of input paths. The function directly opens files specified by user input without sanitization, enabling attackers to access sensitive system files by...

CVE-2026-0846 Arbitrary File Read via Absolute Path Input in nltk.util.filestring()

A vulnerability in the filestring function of the nltk.util module in nltk version 3.9.2 allows arbitrary file read due to improper validation of input paths. The function directly opens files specified by user input without sanitization, enabling attackers to access sensitive system files by...

python311-nltk-3.9.3-1.1 on GA media (moderate)

python311-nltk-3.9.3-1.1 on GA media Announcement ID: openSUSE-SU-2026:10304-1 Rating: moderate Cross-References: CVE-2026-0847 Affected Products: openSUSE Tumbleweed An update that solves one vulnerability can now be installed. Description: These are all security issues fixed in the...

OPENSUSE-SU-2026:10304-1 python311-nltk-3.9.3-1.1 on GA media

These are all security issues fixed in the python311-nltk-3.9.3-1.1 package on the GA media of openSUSE Tumbleweed...

CVE-2026-0848

NLTK versions =3.9.2 are vulnerable to arbitrary code execution due to improper input validation in the StanfordSegmenter module. The module dynamically loads external Java .jar files without verification or sandboxing. An attacker can supply or replace the JAR file, enabling the execution of...

CVE-2026-0848

NLTK versions ≤3.9.2 are vulnerable due to the StanfordSegmenter loading external Java .jar files without verification or sandboxing. An attacker can supply or replace the JAR, enabling arbitrary Java bytecode execution at import time via unvalidated classpath input. Potential attack vectors incl...

Unsafe Dependency Resolution

Overview nltk is a Natural Language Toolkit NLTK is a Python package for natural language processing. Affected versions of this package are vulnerable to Unsafe Dependency Resolution due to lack of verification or sandboxing in the StanfordSegmenter module, when unvalidated Java Archive JAR files...

CVE-2026-0847

A flaw was found in NLTK Natural Language Toolkit. This vulnerability allows a remote attacker to read arbitrary files on the server due to improper sanitization of file paths in several CorpusReader classes, including WordListCorpusReader, TaggedCorpusReader, and BracketParseCorpusReader. By...

NLTK Data Module - Arbitrary File Read via Dead Security Check

Description A logical error in the security patch of nltk.data.FileSystemPathPointer.open renders the intended sandbox completely ineffective. The method attempts to block direct access to absolute paths e.g., /etc/passwd by comparing the normalized path against itself, a condition that can never...

NLTK 输入验证错误漏洞

NLTK is an open-source natural language toolkit developed by NLTK. It is used to support research and development in natural language processing. Versions of NLTK 3.9.2 and earlier contained a vulnerability related to input validation errors. This vulnerability stemmed from improper input...

Security update for python-nltk (important)

openSUSE Security Update: Security update for python-nltk Announcement ID: openSUSE-SU-2026:0069-1 Rating: important References: 1259232 Cross-References: CVE-2026-0847 Affected Products: openSUSE Backports SLE-15-SP7 An update that fixes one vulnerability is now available. Description: This upda...

CVE-2026-0847

NLTK up to 3.9.2 contains a path traversal vulnerability in CorpusReader classes (WordListCorpusReader, TaggedCorpusReader, BracketParseCorpusReader) that can lead to arbitrary file reads on the server. Root cause is improper sanitization/validation of file paths, enabling access to sensitive fil...

NLTK Downloader: Arbitrary File Write / Remote Code Execution via XML Attribute Injection in Package Index

Summary Field| Value ---|--- Component| nltk.downloader.Package Affected Version| NLTK element in the remote XML index contains a filename="..." attribute, it flows into kw and overwrites the safe value. The overridden filename is used directly at line 679 as the filesystem write destination:...

CVE-2025-14009 vulnerabilities

Vulnerabilities for packages: open-webui, kubeflow-pipelines-visualization-server, py3-nltk...

GHSA-7P94-766C-HGJP vulnerabilities

Vulnerabilities for packages: open-webui, kubeflow-pipelines-visualization-server, py3-nltk...

CVE-2025-14009 vulnerabilities

Vulnerabilities for packages: label-studio, nemo, kubeflow-pipelines-visualization-server, open-webui, py3-nltk, apache-beam-python-3.11-sdk...

GHSA-7P94-766C-HGJP vulnerabilities

Vulnerabilities for packages: label-studio, nemo, kubeflow-pipelines-visualization-server, open-webui, py3-nltk, apache-beam-python-3.11-sdk...

Security update for python-nltk (important)

openSUSE Security Update: Security update for python-nltk Announcement ID: openSUSE-SU-2026:0057-1 Rating: important References: 1258436 Cross-References: CVE-2025-14009 Affected Products: openSUSE Backports SLE-15-SP6 An update that fixes one vulnerability is now available. Description: This...

Security update for python-nltk (important)

openSUSE Security Update: Security update for python-nltk Announcement ID: openSUSE-SU-2026:0056-1 Rating: important References: 1258436 Cross-References: CVE-2025-14009 Affected Products: openSUSE Backports SLE-15-SP7 An update that fixes one vulnerability is now available. Description: This...