Security update for python-nltk (important)

openSUSE Security Update: Security update for python-nltk Announcement ID: openSUSE-SU-2026:0277-1 Rating: important References: 1273252 1273254 1273255 Cross-References: CVE-2026-12061 CVE-2026-12072 CVE-2026-12074 Affected Products: openSUSE Backports SLE-15-SP7 An update that fixes three...

CVE-2026-12259

In nltk version 3.9.4, the nltk.downloader.Downloader.downloadpackage function writes downloaded package bytes to disk and may extract them before enforcing SHA-256 or MD5 checksum validation. This allows an attacker to tamper with the package response body for info.url through a compromised...

UBUNTU-CVE-2026-12259

In nltk version 3.9.4, the nltk.downloader.Downloader.downloadpackage function writes downloaded package bytes to disk and may extract them before enforcing SHA-256 or MD5 checksum validation. This allows an attacker to tamper with the package response body for info.url through a compromised...

CVE-2026-12259

The CVE affects nltk 3.9.4: nltk.downloader.Downloader._download_package() can write package bytes to disk and may extract them before SHA-256/MD5 checks, enabling tampering via compromised mirrors or proxies. This could lead to installation of attacker-controlled package bytes (potentially malic...

Linux Distros Unpatched Vulnerability : CVE-2026-12259

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In nltk version 3.9.4, the nltk.downloader.Downloader.downloadpackage function writes downloaded package bytes to disk and may extract them before enforcing...

Regular Expression Denial of Service (ReDoS)

Overview nltk is a Natural Language Toolkit NLTK is a Python package for natural language processing. Affected versions of this package are vulnerable to Regular Expression Denial of Service ReDoS via the FEATURES regex in nltk/corpus/reader/reviews.py. An attacker can hang...

Security update for python-nltk (important)

openSUSE Security Update: Security update for python-nltk Announcement ID: openSUSE-SU-2026:0269-1 Rating: important References: 1272667 Cross-References: CVE-2025-71408 Affected Products: openSUSE Backports SLE-15-SP7 An update that fixes one vulnerability is now available. Description: This...

NLTK vulnerable to Eval Injection via collocations CLI arguments

NLTK Natural Language Toolkit before version 3.9.3 contains an eval injection vulnerability in the nltk.collocations module that allows an attacker who controls command-line arguments to execute arbitrary Python code. When collocations.py is invoked directly, the main block passes command-line...

PYSEC-2026-3657

NLTK Natural Language Toolkit before version 3.9.3 contains an eval injection vulnerability in the nltk.collocations module that allows an attacker who controls command-line arguments to execute arbitrary Python code. When collocations.py is invoked directly, the main block passes command-line...

PYSEC-2026-3657

NLTK Natural Language Toolkit before version 3.9.3 contains an eval injection vulnerability in the nltk.collocations module that allows an attacker who controls command-line arguments to execute arbitrary Python code. When collocations.py is invoked directly, the main block passes command-line...

CVE-2025-71408

NLTK Natural Language Toolkit before version 3.9.3 contains an eval injection vulnerability in the nltk.collocations module that allows an attacker who controls command-line arguments to execute arbitrary Python code. When collocations.py is invoked directly, the main block passes command-line...

MGASA-2026-0281 Updated python-nltk packages fix security vulnerability

URL-Encoded Path Traversal in nltk.data.load Allows Arbitrary Local File Read. CVE-2026-54293...

Updated python-nltk packages fix security vulnerability

URL-Encoded Path Traversal in nltk.data.load Allows Arbitrary Local File Read. CVE-2026-54293...

GHSA-Q5H6-FCF5-49G9 vulnerabilities

Vulnerabilities for packages: py3-nltk...

CVE-2026-54293 vulnerabilities

Vulnerabilities for packages: open-webui, py3-nltk...

CVE-2026-12243 vulnerabilities

Vulnerabilities for packages: py3-nltk...

GHSA-Q5H6-FCF5-49G9 vulnerabilities

Vulnerabilities for packages: py3-nltk...

GHSA-P4GQ-832X-FM9V vulnerabilities

Vulnerabilities for packages: py3-nltk, open-webui, apache-beam-python-3.13-sdk, apache-beam-python-3.11-sdk, label-studio, apache-beam-python-3.12-sdk, nemo...

Linux Distros Unpatched Vulnerability : CVE-2026-12252

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In nltk/nltk versions 3.9.3 and earlier, five Stanford interface classes StanfordPOSTagger, StanfordNERTagger, StanfordParser, StanfordDependencyParser, and...

PYSEC-0000-CVE-2026-12252

In nltk/nltk versions 3.9.3 and earlier, five Stanford interface classes StanfordPOSTagger, StanfordNERTagger, StanfordParser, StanfordDependencyParser, and StanfordNeuralDependencyParser are vulnerable to untrusted JAR code execution. These classes accept user-controllable JAR paths and execute...