CVE-2026-49400 October CMS: PHP Object Injection via Backend Widget Session Storage

October System provides the system module for October Content Management System. Prior to versions 3.7.17 and 4.2.21, the backend SessionMaker trait stored widget session state as base64serialize... and consumed it with unserialize without an allowedclasses restriction. Any code path that could...

CVE-2026-49400 October CMS: PHP Object Injection via Backend Widget Session Storage

October System provides the system module for October Content Management System. Prior to versions 3.7.17 and 4.2.21, the backend SessionMaker trait stored widget session state as base64serialize... and consumed it with unserialize without an allowedclasses restriction. Any code path that could...

CVE-2026-46696 October CMS: Safe Mode Sandbox Bypass via Session Store and Forwarded Builder Calls

October System provides the system module for October Content Management System. Versions prior to 3.7.17 and 4.2.21 have a vulnerability in the Twig sandbox security policy that allowed a chained bypass when cms.safemode is enabled. The Laravel session store was exposed to Twig with unrestricted...

CVE-2026-46696 October CMS: Safe Mode Sandbox Bypass via Session Store and Forwarded Builder Calls

October System provides the system module for October Content Management System. Versions prior to 3.7.17 and 4.2.21 have a vulnerability in the Twig sandbox security policy that allowed a chained bypass when cms.safemode is enabled. The Laravel session store was exposed to Twig with unrestricted...

New DDRop Attack Breaks Intel TDX and AMD SEV-SNP Confidential Computing

Researchers have disclosed a new hardware attack, called DDRop , that breaks the memory protection in Intel and AMD confidential computing by silently dropping writes to a server's memory, so the processor keeps reading old encrypted data as if it were current. The attack requires an attacker who...

Wordfence Argus Identifies Two Critical Unauthenticated Vulnerability Chains Leading to Remote Code Execution in The Events Calendar Plugin

On August 21 and August 22, 2026, Wordfence Argus, created by the Wordfence Threat Intelligence team, identified two independent critical vulnerability chains in The Events Calendar, a WordPress plugin active on more than 600,000 websites. Both chains begin in the plugin's widget-rendering pipeli...

OESA-2026-3858 edk2 security update

EDK II is a modern, feature-rich, cross-platform firmware development environment for the UEFI and PI specifications. Security Fixes: Issue summary: OpenSSL CMS decryption sizes the key-unwrap output buffer based on querying the unwrapped key size, but the AES-WRAP-PAD unwrap primitive can write...

OESA-2026-3859 vim security update

Vim is an advanced text editor that seeks to provide the power of the de-facto Unix editor 'Vi', with a more complete feature set. Vim is a highly configurable text editor built to enable efficient text editing. It is an improved version of the vi editor distributed with most UNIX systems. Securi...

OESA-2026-3857 edk2 security update

EDK II is a modern, feature-rich, cross-platform firmware development environment for the UEFI and PI specifications. Security Fixes: Issue summary: OpenSSL CMS decryption sizes the key-unwrap output buffer based on querying the unwrapped key size, but the AES-WRAP-PAD unwrap primitive can write...

OESA-2026-3853 freerdp security update

FreeRDP is a client implementation of the Remote Desktop Protocol RDP that follows Microsoft's open specifications. This package provides the client applications xfreerdp. Security Fixes: FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.20.1, a...

OESA-2026-3830 openssl security update

OpenSSL is a robust, commercial-grade, and full-featured toolkit for the Transport Layer Security TLS and Secure Sockets Layer SSL protocols. Security Fixes: Issue summary: In a server or client configuration with RFC7250 Raw Public Keys RPKs enabled, and only the private key with no associated...

OESA-2026-3758 sssd security update

Provides a set of daemons to manage access to remote directories and authentication mechanisms. It provides an NSS and PAM interface toward the system and a pluggable back end system to connect to multiple different account sources. It is also the basis to provide client auditing and policy...

OESA-2026-3733 git security update

Git is a free and open source distributed version control system designed to handle everything from small to very large projects with speed and efficiency. Git is easy to learn and has a tiny footprint with lightning fast performance. It outclasses SCM tools like Subversion, CVS, Perforce, and...

OESA-2026-3721 python-GitPython security update

GitPython is a python library used to interact with git repositories, high-level like git-porcelain, or low-level like git-plumbing. Security Fixes: GitPython before 3.1.57 contains an incomplete denylist in the unsafegitarchiveoptions guard that omits --add-file and --add-virtual-file options...

OESA-2026-3720 python-ujson security update

UltraJSON Security Fixes: UltraJSON aka ujson through 5.1.0 has a stack-based buffer overflow in BufferAppendIndentUnchecked called from encode. Exploitation can, for example, use a large amount of indentation.CVE-2021-45958 UltraJSON is a fast JSON encoder and decoder written in pure C with...

OESA-2026-3708 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: seg6: separate dstcache for input and output paths in seg6 lwtunnel The seg6 lwtunnel uses a single dstcache per encap route, shared between seg6inputcore and...

OESA-2026-3707 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: seg6: separate dstcache for input and output paths in seg6 lwtunnel The seg6 lwtunnel uses a single dstcache per encap route, shared between seg6inputcore and...

CVE-2026-82428

Description Dependency artifacts uploaded with storm jar --artifacts were stored under a blob key derived only from the Maven coordinate, for example dep---.jar. The key was therefore identical for every user of the cluster and predictable in advance. When the blob already existed, the uploader...

Day-14--Reflected-Cross-Site-Scripting-XSS-Broken-Access-Control-IDOR-Assessment

Day 14: Reflected Cross-Site Scripting XSS & Broken Access C...

⚡ Weekly Recap: Rogue AI Agents, WeChat Worm, PaperCut Attacks, AI Espionage, and Rootkits

AI keeps showing up in the wrong places. Attackers are using it to speed up exploits, test defenses, and automate more of the job. Some models are also crossing lines on their own. That is not a great combination. The rest of the week is more familiar: old bugs still working, fresh exploit chains...