EUVD-2026-65595

X-AnyLabeling's model downloader disabled TLS certificate verification. downloadwithretry in anylabeling/services/autolabeling/model.py built a context with ssl.createunverifiedcontext and passed it to urllib.request.urlopen, so neither the certificate chain nor the hostname was checked on any...

CVE-2026-78682 NLTK before 3.10.3 SSRF Protection Bypass via Proxy

NLTK before 3.10.3 contains a server-side request forgery vulnerability in nltk.pathsec.urlopen and callers nltk.data.load, nltk.downloader.Downloader.index/download when an HTTP proxy is configured. pathsec.urlopen validates the requested hostname locally, but proxy-handler inheritance disables...

CVE-2026-78682 NLTK before 3.10.3 SSRF Protection Bypass via Proxy

NLTK before 3.10.3 contains a server-side request forgery vulnerability in nltk.pathsec.urlopen and callers nltk.data.load, nltk.downloader.Downloader.index/download when an HTTP proxy is configured. pathsec.urlopen validates the requested hostname locally, but proxy-handler inheritance disables...

CVE-2026-79785: Improper Certificate Validation

X-AnyLabeling's model downloader disabled TLS certificate verification. downloadwithretry in anylabeling/services/autolabeling/model.py built a context with ssl.createunverifiedcontext and passed it to urllib.request.urlopen, so neither the certificate chain nor the hostname was checked on any...

PT-2026-81392

X-AnyLabeling's model downloader disabled TLS certificate verification. download with retry in anylabeling/services/auto labeling/model.py built a context with ssl. create unverified context and passed it to urllib.request.urlopen, so neither the certificate chain nor the hostname was checked on...

Resources Downloaded over Insecure Protocol

Overview nltk is a Natural Language Toolkit NLTK is a Python package for natural language processing. Affected versions of this package are vulnerable to Resources Downloaded over Insecure Protocol via the downloader. An attacker can execute arbitrary code and compromise system integrity by...

Duplicate Advisory: NLTK: Missing Post-Download Integrity Verification Allows Malicious Package Injection

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-5wp5-5229-5g6q. This link is maintained to preserve external references. Original Description NLTK before 3.9.3 fails to verify file integrity after downloading packages and before extraction in the downloader...

GHSA-GF32-CMJH-8M9V Duplicate Advisory: NLTK: Missing Post-Download Integrity Verification Allows Malicious Package Injection

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-5wp5-5229-5g6q. This link is maintained to preserve external references. Original Description NLTK before 3.9.3 fails to verify file integrity after downloading packages and before extraction in the downloader...

PYSEC-2026-3729

NLTK before 3.9.3 fails to verify file integrity after downloading packages and before extraction in the downloader module. Attackers can perform man-in-the-middle attacks or DNS poisoning to inject malicious package contents that are extracted without validation...

CVE-2026-63310

Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority...

PYSEC-2026-3729

NLTK before 3.9.3 fails to verify file integrity after downloading packages and before extraction in the downloader module. Attackers can perform man-in-the-middle attacks or DNS poisoning to inject malicious package contents that are extracted without validation...

CVE-2026-63310

Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority...

UBUNTU-CVE-2026-63310

NLTK before 3.9.3 fails to verify file integrity after downloading packages and before extraction in the downloader module. Attackers can perform man-in-the-middle attacks or DNS poisoning to inject malicious package contents that are extracted without validation...

CVE-2026-63310

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EUVD-2026-64335

NLTK before 3.9.3 fails to verify file integrity after downloading packages and before extraction in the downloader module. Attackers can perform man-in-the-middle attacks or DNS poisoning to inject malicious package contents that are extracted without validation...

CVE-2026-63310

CVE-2026-63310 (now rejected by its CNA) tracks a vulnerability in NLTK before 3.9.3 where the package downloader in nltk/downloader.py performs no integrity verification between moving a downloaded file to its final location and extracting it. The SHA-256 checksum logic exists in _pkg_status() b...

CVE-2026-63310

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CVE-2026-63310 NLTK before 3.9.3 Missing Post-Download Integrity Verification

NLTK before 3.9.3 fails to verify file integrity after downloading packages and before extraction in the downloader module. Attackers can perform man-in-the-middle attacks or DNS poisoning to inject malicious package contents that are extracted without validation...

Linux Distros Unpatched Vulnerability : CVE-2026-63310

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - NLTK before 3.9.3 fails to verify file integrity after downloading packages and before extraction in the downloader module. Attackers can perform...

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...