Uncontrolled Recursion

Overview nltk is a Natural Language Toolkit NLTK is a Python package for natural language processing. Affected versions of this package are vulnerable to Uncontrolled Recursion via the JSONTaggedDecoder.decodeobj function in jsontags.py. An attacker can cause the application to crash by submittin...

Natural Language Toolkit (NLTK) has unbounded recursion in JSONTaggedDecoder.decode_obj() may cause DoS

Summary JSONTaggedDecoder.decodeobj in nltk/jsontags.py calls itself recursively without any depth limit. A deeply nested JSON structure exceeding sys.getrecursionlimit default: 1000 will raise an unhandled RecursionError, crashing the Python process. Affected code File: nltk/jsontags.py, lines...

SUSE 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...

Linux Distros Unpatched Vulnerability : CVE-2026-0846

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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. T...

EUVD-2026-10350

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...

PYSEC-2026-97

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...

PYSEC-2026-97

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...

DEBIAN-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...

UBUNTU-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

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...

Directory Traversal

Overview nltk is a Natural Language Toolkit NLTK is a Python package for natural language processing. Affected versions of this package are vulnerable to Directory Traversal via the filestring function. An attacker can access sensitive files by supplying specially crafted input paths, such as...

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

The CVE concerns nltk 3.9.2, specifically the filestring() function in nltk.util, which opens user-supplied file paths without proper sanitization. This allows arbitrary file read by passing absolute or traversal paths, enabling access to sensitive system files. Exploitation can occur locally or ...

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...

AI Bot Hackerbot-Claw Targets Microsoft, DataDog and CNCF GitHub Repos

Security firm Pillar reveals the Chaos Agent in which Hackerbot-Claw, an AI agent, used natural language to compromise major GitHub projects and hijack developer tools...

Arbitrary File Write via Path Traversal in Malicious NLTK Downloader Index (nltk.downloader.Package.fromxml)

NLTK relies on the nltk.downloader.Downloader class to securely fetch corpora and models. It fetches an index.xml file to map package ids to payload URLs. A critical Arbitrary File Write vulnerability exists in nltk.downloader.Package.fromxml due to a lack of sanitization on the id field. When...

PT-2026-24105

Name of the Vulnerable Software and Affected Versions nltk version 3.9.2 Description A flaw exists in the filestring function within the nltk.util module. This issue allows for arbitrary file reading because of inadequate validation of input paths. The function directly opens files specified by...

NLTK 安全漏洞

NLTK is an open-source natural language toolkit developed by NLTK. It is used to support research and development in natural language processing. Version 3.9.2 of NLTK contains a security vulnerability, which stems from the improper validation of input paths in the filestring function of the...

SUSE 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...

Linux Distros Unpatched Vulnerability : CVE-2026-0848

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - NLTK versions =3.9.2 are vulnerable to arbitrary code execution due to improper input validation in the StanfordSegmenter module. The module dynamically loads...