elFinder: ZIP extraction bypasses uploadDeny MIME filter allowing PHP file upload (RCE)

Summary elFinder provides uploadDeny and uploadAllow options in its connector configuration to restrict which MIME types may be uploaded. When uploadDeny includes text/x-php, direct upload of .php, .phtml, and .phar files is correctly blocked. However, the extract command ZIP decompression...

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:...

GHSA-F794-5JV7-7672 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:...

cmd/go: golang: Go tool pack: Arbitrary file write via malicious archive extraction

A flaw was found in the "go tool pack" subcommand, a component of the Go programming language tools. This vulnerability allows an attacker to craft a malicious archive file. When this archive is extracted using the "pack" subcommand, it can lead to arbitrary file writes on the filesystem,...

pypdf: Possible long runtimes/large memory usage when extracting XForm objects

Impact An attacker who uses this vulnerability can craft a PDF which leads to long runtimes and large memory consumption. This requires extracting the text of a page with lots of XForm objects, where some of them might be re-used. Patches This has been fixed in pypdf==6.16.1. Workarounds If you...

GHSA-763M-79HH-57F2 pypdf: Possible long runtimes/large memory usage when extracting XForm objects

Impact An attacker who uses this vulnerability can craft a PDF which leads to long runtimes and large memory consumption. This requires extracting the text of a page with lots of XForm objects, where some of them might be re-used. Patches This has been fixed in pypdf==6.16.1. Workarounds If you...

Excessive Iteration

Overview pypdf is an A pure-python PDF library capable of splitting, merging, cropping, and transforming PDF files Affected versions of this package are vulnerable to Excessive Iteration in its text extraction of pages that contain XForm objects, which processes those objects without limiting the...

CVE-2026-84311

pypdf is a free and open-source pure-python PDF library. Prior to 6.16.1, an attacker can craft a PDF that causes pypdf/page.py PageObject.extracttext and PageObject.extractxformtext to traverse a directed acyclic graph of reused form XObjects in which each form invokes a child multiple times,...

CVE-2026-84311 pypdf: Possible long runtimes/large memory usage when extracting XForm objects

pypdf is a free and open-source pure-python PDF library. Prior to 6.16.1, an attacker can craft a PDF that causes pypdf/page.py PageObject.extracttext and PageObject.extractxformtext to traverse a directed acyclic graph of reused form XObjects in which each form invokes a child multiple times,...

CVE-2026-84311

pypdf is a free and open-source pure-python PDF library. Prior to 6.16.1, an attacker can craft a PDF that causes pypdf/page.py PageObject.extracttext and PageObject.extractxformtext to traverse a directed acyclic graph of reused form XObjects in which each form invokes a child multiple times,...

CVE-2026-84311

pypdf , a pure-Python PDF library, is vulnerable to a denial-of-service condition in versions prior to 6.16.1 . A crafted PDF can trigger exponential traversal in PageObject._extract_text and PageObject.extract_xform_text (in pypdf/_page.py) by invoking a directed acyclic graph of reused form XOb...

CVE-2026-17106

A flaw was found in moby/go-archive. The tar extraction routines in the component do not properly restrict filesystem operations to the intended destination directory. An attacker who controls the contents of an archive can exploit this by including symbolic links, allowing them to create or...

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. Mitigation Upgrade the nltk...

Moderate: Red Hat Security Advisory: tar security, bug fix, and enhancement update

An update for tar is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the C...

tar: tar: Hidden file injection via crafted archives

A flaw was found in tar. A remote attacker could exploit this vulnerability by crafting a malicious archive, leading to hidden file injection with fully attacker-controlled content. This bypasses pre-extraction inspection mechanisms, potentially allowing an attacker to introduce malicious files...

CVE-2026-77189 Charitable <= 1.8.12.1 - Authenticated (Contributor+) SQL Injection via 'order' Shortcode Attribute

The Charitable – Donation & Fundraising Platform Donation Forms, Recurring Donations & Fundraising Campaigns plugin for WordPress is vulnerable to generic SQL Injection via 'order' Shortcode Attribute in all versions up to, and including, 1.8.12.1 due to insufficient escaping on the user supplied...

CVE-2026-75921

The Master Addons for Elementor – Elementor Addons, Widgets, Mega Menu Builder, Popup Builder, Widget Builder & Template Kits plugin for WordPress is vulnerable to Arbitrary File Upload in all versions up to, and including, 3.1.9 via the uploadtemplatekit function. This is due to incorrect...

CVE-2026-17589

The Shopping Cart & eCommerce Store plugin for WordPress is vulnerable to generic SQL Injection via the 'productorder' parameter in all versions up to, and including, 5.9.2 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. Th...

CVE-2026-75921 Master Addons for Elementor <= 3.1.9 - Incorrect Authorization to Authenticated (Editor+) Arbitrary File Upload via upload_template_kit AJAX ZIP Extraction

The Master Addons for Elementor – Elementor Addons, Widgets, Mega Menu Builder, Popup Builder, Widget Builder & Template Kits plugin for WordPress is vulnerable to Arbitrary File Upload in all versions up to, and including, 3.1.9 via the uploadtemplatekit function. This is due to incorrect...

CVE-2026-75921

The Master Addons for Elementor WordPress plugin is vulnerable to an authenticated arbitrary file upload in all versions up to and including 3.1.9 . The root cause lies in the upload_template_kit() AJAX handler, which incorrectly requires only the upload_files capability instead of the manage_opt...