EUVD-2026-67077

NLTK: Downloader.download follows hardlinks and overwrites outside-root files...

NLTK: Downloader.download follows hardlinks and overwrites outside-root files

Summary NLTK's downloader now blocks symlink escapes during ZIP extraction, but it still treats pre-existing hardlinks inside the install tree as ordinary in-root files. A normal package install can therefore overwrite an outside-root inode through that hardlink. Details - Vulnerability type:...

CVE-2026-81727

A flaw was found in NLTK. This vulnerability, a filesystem containment bypass, allows a local attacker with write access to a shared downloader directory to create special links hardlinks that point to files outside the intended installation area. When a package is extracted, these hardlinks can...

Duplicate Advisory: Downloader.download follows hardlinks and overwrites outside-root files

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-f794-5jv7-7672. This link is maintained to preserve external references. Original Description NLTK versions before 3.10.3 contain a filesystem containment bypass vulnerability in the Downloader.download and...

CVE-2026-81727

NLTK versions before 3.10.3 contain a filesystem containment bypass vulnerability in the Downloader.download and Downloader.incrdownload methods that allows attackers to overwrite files outside the install root through pre-existing hardlinks. Attackers with write access to a shared downloader...

CVE-2026-81727

NLTK versions before 3.10.3 contain a filesystem containment bypass vulnerability in the Downloader.download and Downloader.incrdownload methods that allows attackers to overwrite files outside the install root through pre-existing hardlinks. Attackers with write access to a shared downloader...

CVE-2026-81727

NLTK versions before 3.10.3 contain a filesystem containment bypass vulnerability in the Downloader.download and Downloader.incrdownload methods that allows attackers to overwrite files outside the install root through pre-existing hardlinks. Attackers with write access to a shared downloader...

CVE-2026-81727 NLTK before 3.10.3 Hardlink File Overwrite via downloader

NLTK versions before 3.10.3 contain a filesystem containment bypass vulnerability in the Downloader.download and Downloader.incrdownload methods that allows attackers to overwrite files outside the install root through pre-existing hardlinks. Attackers with write access to a shared downloader...

Linux Distros Unpatched Vulnerability : CVE-2026-81727

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - NLTK versions before 3.10.3 contain a filesystem containment bypass vulnerability in the Downloader.download and Downloader.incrdownload methods that allows...

PT-2026-82622

Name of the Vulnerable Software and Affected Versions NLTK versions prior to 3.10.3 Description A filesystem containment bypass exists in the Downloader.download and Downloader.incr download methods. Attackers with write access to a shared downloader directory can create hardlinks pointing to fil...

Security update for python-unearth (important)

openSUSE security update: security update for python-unearth ------------------------------------------------------------- Announcement ID: openSUSE-SU-2026:21606-1 Rating: important References: bsc1275440 Cross-References: CVE-2026-73030 Affected Products: openSUSE Leap 16.0...

CVE-2026-62992

Smarty (PHP template engine) prior to 5.8.2 and 4.5.7 (4.x line) is affected by a symlink path-traversal in Security::_checkDir() that does not fully resolve symbolic links before validating the directory containment. An attacker who can place or reference a symlink inside a trusted Smarty direct...

CVE-2026-62992 Smarty: Symlink path traversal out of trusted directories

Smarty is a template engine for PHP, facilitating the separation of presentation HTML/CSS from application logic. Prior to 5.8.2 and 4.5.7 on the 4.x line, Security::checkDir does not fully resolve symbolic links before validating that a requested path lies within a configured secure directory. A...

GHSA-J6HM-V3X2-QV6J land.oras:oras-java-sdk: Symlink-based path traversal in ArchiveUtils.untar / unzip allows arbitrary file write outside extraction directory

Summary ArchiveUtils.untarInputStream, Path and ArchiveUtils.unzipInputStream, Path in land.oras:oras-java-sdk create symbolic-link entries from an archive without validating the symlink target. A malicious tar or zip shipped as an OCI layer blob can place a symlink under the extraction directory...

GHSA-8MG9-J9CF-54CJ OpenClaw: Empty-scope device re-pairing could confuse caller scope containment

Summary Empty-scope device re-pairing could confuse caller scope containment. In affected versions, a device re-pairing request with an empty scope set could skip the intended containment guard during re-pairing. This advisory is scoped to the named feature and configuration. It does not change...

Duplicate Advisory: Empty-scope device re-pairing could confuse caller scope containment

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-8mg9-j9cf-54cj. This link is maintained to preserve external references. Original Description OpenClaw before 2026.4.25 contains a scope containment bypass vulnerability in device re-pairing that allows...

CVE-2026-53852 OpenClaw < 2026.4.25 - Scope Bypass via Empty-Scope Device Re-pairing

OpenClaw before 2026.4.25 contains a scope containment bypass vulnerability in device re-pairing that allows authenticated operators to restore broader scopes than intended by submitting empty-scope re-pairing requests. Attackers can exploit this by sending re-pairing requests with empty scope se...

CVE-2026-48544

Taipy 4.1.1, fixed in commit 129fd40, contains a path traversal vulnerability in the ElementLibrary.getresource method in taipy/gui/extension/library.py that allows unauthenticated attackers to escape the intended module directory by exploiting an incomplete path containment check using...

CVE-2026-47118 Agent Zero < 1.15 Path Traversal File Read via image_get API

Agent Zero before version 1.15 contains a path traversal vulnerability that allows unauthenticated attackers to read arbitrary files by supplying crafted paths to the image file serving endpoint, which relies solely on an extension allowlist while the path containment check is explicitly disabled...

CVE-2026-44996

OpenClaw before 2026.4.15 contains an arbitrary local file read vulnerability in the webchat audio embedding helper that fails to apply local media root containment checks. Attackers can influence agent or tool-produced ReplyPayload.mediaUrl parameters to resolve absolute local paths or file URLs...