CVE-2026-78683 NLTK before 3.10.0 Remote Code Execution via Unsafe Pickle Deserialization

NLTK before 3.10.0 affected versions =3.9.4 contains an unsafe pickle deserialization vulnerability in the TransitionParser.parse method nltk/parse/transitionparser.py. The method calls pickleload with the default restricted=False, routing deserialization through WarningUnpickler, which does not...

CVE-2026-78683

NLTK before 3.10.0 affected versions =3.9.4 contains an unsafe pickle deserialization vulnerability in the TransitionParser.parse method nltk/parse/transitionparser.py. The method calls pickleload with the default restricted=False, routing deserialization through WarningUnpickler, which does not...

CVE-2026-78683 NLTK before 3.10.0 Remote Code Execution via Unsafe Pickle Deserialization

NLTK before 3.10.0 affected versions =3.9.4 contains an unsafe pickle deserialization vulnerability in the TransitionParser.parse method nltk/parse/transitionparser.py. The method calls pickleload with the default restricted=False, routing deserialization through WarningUnpickler, which does not...

EUVD-2026-65229

NLTK before 3.10.0 affected versions =3.9.4 contains an unsafe pickle deserialization vulnerability in the TransitionParser.parse method nltk/parse/transitionparser.py. The method calls pickleload with the default restricted=False, routing deserialization through WarningUnpickler, which does not...

CVE-2026-78683

NLTK versions ≤3.9.4 contain an unsafe pickle deserialization vulnerability in the TransitionParser.parse() method (nltk/parse/transitionparser.py). The method calls pickle_load() with restricted=False, routing through WarningUnpickler , which does not override find_class() and thus permits arbit...

UBUNTU-CVE-2026-71513

NLTK before 3.10.3 contains a remote code execution vulnerability in AllowlistUnpickler that validates only the pickle module string and not the global name, allowing attackers to resolve dotted names by attribute traversal to callables outside the allowlisted namespace. Attackers can craft...

Linux Distros Unpatched Vulnerability : CVE-2026-78683

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - NLTK before 3.10.0 affected versions =3.9.4 contains an unsafe pickle deserialization vulnerability in the TransitionParser.parse method...

CVE-2026-62388

NLTK versions before 3.10.0 default to ENFORCE=False in pathsec.py, causing all security validation functions to emit warnings instead of raising exceptions. Attackers can bypass path traversal and pickle deserialization protections by exploiting the disabled security controls that are only activ...

PT-2026-81276

Name of the Vulnerable Software and Affected Versions NLTK versions prior to 3.10.3 Description Allowlisted pickle loaders trust entire module namespaces instead of specific safe callables. This allows attackers to craft malicious pickle payloads that use the pickle REDUCE mechanism to invoke...

UBUNTU-CVE-2026-62388

NLTK versions before 3.10.0 default to ENFORCE=False in pathsec.py, causing all security validation functions to emit warnings instead of raising exceptions. Attackers can bypass path traversal and pickle deserialization protections by exploiting the disabled security controls that are only activ...

CVE-2021-33026

CVE-2021-33026 Pickle सीरियलाइज़ेशन रिमोट कोड एक्ज़ीक्यूशन - मेमकैश्ड पॉइज़निंग PoC एक्सप्लॉइट CVE-2021-3306 क्या है? "Flask के लिए Flask-Caching एक्सटेंशन 1.10.1 तक सीरियलाइज़ेशन के लिए Pickle का उपयोग करता है, जिससे रिमोट कोड एक्ज़ीक्यूशन या लोकल प्रिविलेज एस्केलेशन हो सकता है। यदि कोई हमलावर क...

rpc-rce.py

rpc.py RCE Exploit CVE-2022-35411 Questo è un exploit aggiornato e migliorato per CVE-2022-35411 , che colpisce le versioni vulnerabili di rpc.py Exploit originale di : Elias Hohl Migliorato da : x7331 per usabilità, portabilità e automazione Riepilogo della vulnerabilità La vulnerabilità risiede...

CVE-2026-76843

CVE-2026-76843 affects the official Flair wheels for versions 0.15.0 and 0.15.1 . The file flair/models/clustering.py remains present in the distributed package despite being removed from the documented API. Its ClusteringModel.load static method deserializes via pickle.loads(joblib.load(str(mode...

EUVD-2026-64849

The official Flair wheels for 0.15.0 and 0.15.1 still contain flair/models/clustering.py, whose ClusteringModel.load static method returns pickle.loadsjoblib.loadstrmodelfile and so executes arbitrary Python while loading a model file. Loading a model supplied by an attacker therefore runs that...

CVE-2026-76843 Flair 0.15.0 and 0.15.1 Deserialization of Untrusted Data via ClusteringModel.load

The official Flair wheels for 0.15.0 and 0.15.1 still contain flair/models/clustering.py, whose ClusteringModel.load static method returns pickle.loadsjoblib.loadstrmodelfile and so executes arbitrary Python while loading a model file. Loading a model supplied by an attacker therefore runs that...

CVE-2026-76843 Flair 0.15.0 and 0.15.1 Deserialization of Untrusted Data via ClusteringModel.load

The official Flair wheels for 0.15.0 and 0.15.1 still contain flair/models/clustering.py, whose ClusteringModel.load static method returns pickle.loadsjoblib.loadstrmodelfile and so executes arbitrary Python while loading a model file. Loading a model supplied by an attacker therefore runs that...

CVE-2026-76843 Flair 0.15.0 and 0.15.1 Deserialization of Untrusted Data via ClusteringModel.load

The official Flair wheels for 0.15.0 and 0.15.1 still contain flair/models/clustering.py, whose ClusteringModel.load static method returns pickle.loadsjoblib.loadstrmodelfile and so executes arbitrary Python while loading a model file. Loading a model supplied by an attacker therefore runs that...

Deserialization of Untrusted Data

Overview nltk is a Natural Language Toolkit NLTK is a Python package for natural language processing. Affected versions of this package are vulnerable to Deserialization of Untrusted Data via unsafe deserialization in AllowlistUnpickler. An attacker can execute arbitrary commands by supplying a...

Insecure Default Initialization of Resource

Overview nltk is a Natural Language Toolkit NLTK is a Python package for natural language processing. Affected versions of this package are vulnerable to Insecure Default Initialization of Resource via disabled security enforcement in pathsec.py. An attacker can bypass protections against path...

CVE-2026-62388

NLTK versions before 3.10.0 default to ENFORCE=False in pathsec.py, causing all security validation functions to emit warnings instead of raising exceptions. Attackers can bypass path traversal and pickle deserialization protections by exploiting the disabled security controls that are only activ...