PT-2026-79561

Name of the Vulnerable Software and Affected Versions NLTK versions prior to 3.9.3 Description The downloader module fails to verify file integrity after downloading packages and before extraction. This allows attackers to use man-in-the-middle attacks or DNS poisoning to inject malicious package...

The invisible passenger in your car

While monitoring Android threats in June 2026, we discovered a new piece of Android malware. What struck us as unusual was that it installed like an ordinary user app yet made no attempt to disguise itself as legitimate software: it had no user interface at all. This led us to suspect the app mig...

The vulnerability of the downloader of Seattle Filmworks’ image processing library Gimp allows a hacker to execute arbitrary code and cause a service failure.

The vulnerability of the downloader of Seattle Filmworks’ image processing library for Gimp is related to buffer overflow attacks. Exploiting this vulnerability allows an attacker to execute arbitrary code and cause service interruptions...

PT-2026-81157

Name of the Vulnerable Software and Affected Versions NLTK versions prior to 3.10.3 Description A server-side request forgery SSRF occurs when an HTTP proxy is configured. The nltk.pathsec.urlopen function and its callers nltk.data.load and nltk.downloader.Downloader.index/download validates the...

Nearly 800 Malicious npm Packages Deliver Cross-Platform RAT and Infostealer

A cluster of nearly 800 malicious packages has been published to the npm registry as part of a new campaign designed to deliver cross-platform malware targeting Windows, Mac, and Linux systems. "These packages appear to use AI slop squatted, or randomly generated typo-squatting package names, but...

CVE-2026-12261

A flaw was found in the nltk.downloader component of NLTK. This vulnerability allows for cross-package resource and model poisoning. The downloader extracts package archives into shared namespaces and only validates package integrity after extraction. This design flaw enables one package to...

CVE-2026-12261

A vulnerability in nltk.downloader in nltk/nltk versions = 3.9.4 allows for cross-package resource and model poisoning. The downloader extracts package archives into shared namespaces such as corpora/ and taggers/ instead of package-isolated roots, and validates package integrity only after the...

PYSEC-2026-3954

A vulnerability in nltk.downloader in nltk/nltk versions = 3.9.4 allows for cross-package resource and model poisoning. The downloader extracts package archives into shared namespaces such as corpora/ and taggers/ instead of package-isolated roots, and validates package integrity only after the...

PYSEC-2026-3954

A vulnerability in nltk.downloader in nltk/nltk versions = 3.9.4 allows for cross-package resource and model poisoning. The downloader extracts package archives into shared namespaces such as corpora/ and taggers/ instead of package-isolated roots, and validates package integrity only after the...

UBUNTU-CVE-2026-12261

A vulnerability in nltk.downloader in nltk/nltk versions = 3.9.4 allows for cross-package resource and model poisoning. The downloader extracts package archives into shared namespaces such as corpora/ and taggers/ instead of package-isolated roots, and validates package integrity only after the...

CVE-2026-12261

A vulnerability in nltk.downloader in nltk/nltk versions = 3.9.4 allows for cross-package resource and model poisoning. The downloader extracts package archives into shared namespaces such as corpora/ and taggers/ instead of package-isolated roots, and validates package integrity only after the...

EUVD-2026-54393

A vulnerability in nltk.downloader in nltk/nltk versions = 3.9.4 allows for cross-package resource and model poisoning. The downloader extracts package archives into shared namespaces such as corpora/ and taggers/ instead of package-isolated roots, and validates package integrity only after the...

CVE-2026-12261

The CVE concerns nltk.downloader in nltk/nltk ≤ 3.9.4. The downloader extracts package archives into shared namespaces (corpora/ and taggers/) instead of package-isolated roots and validates integrity only after extraction. This design flaw enables one package to overwrite another package’s trust...

CVE-2026-12261 Improper Access Control in nltk/nltk

A vulnerability in nltk.downloader in nltk/nltk versions = 3.9.4 allows for cross-package resource and model poisoning. The downloader extracts package archives into shared namespaces such as corpora/ and taggers/ instead of package-isolated roots, and validates package integrity only after the...

CVE-2026-12261 Improper Access Control in nltk/nltk

A vulnerability in nltk.downloader in nltk/nltk versions = 3.9.4 allows for cross-package resource and model poisoning. The downloader extracts package archives into shared namespaces such as corpora/ and taggers/ instead of package-isolated roots, and validates package integrity only after the...

Time-of-check Time-of-use (TOCTOU) Race Condition

Overview nltk is a Natural Language Toolkit NLTK is a Python package for natural language processing. Affected versions of this package are vulnerable to Time-of-check Time-of-use TOCTOU Race Condition via the downloader process. An attacker can compromise data integrity by causing package archiv...

CVE-2026-12261

A vulnerability in nltk.downloader in nltk/nltk versions = 3.9.4 allows for cross-package resource and model poisoning. The downloader extracts package archives into shared namespaces such as corpora/ and taggers/ instead of package-isolated roots, and validates package integrity only after the...

Linux Distros Unpatched Vulnerability : CVE-2026-12261

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 nltk.downloader in nltk/nltk versions = 3.9.4 allows for cross-package resource and model poisoning. The downloader extracts package archives...

MAL-2026-13278 Malicious code in dlp-dlp-core (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 6a7f83a18ee0f4d41331997bd85740febbb8d8e581fa9026b83112e55d2b8320 On require'dlp-dlp-core', index.js loads setup.js which selects a platform-specific path /pkg/package, /pkg/package-arm64, /pkg/loadermac,...

Malicious code in bigops-tslint (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector e6335298379affbc02ca5288e29777324f4d13ddec51b21ce999bb6eeda3996f The package advertises itself as a lint tool but its index.js unconditionally requires./ext, which on load selects a platform-specific payload path,...