bypass
ShinyHunters uses WAF bypass trick in Oracle PeopleSoft attacks
The ShinyHunters extortion gang is using a URL-encoding trick to bypass web application firewall rules that mitigate the Oracle PeopleSoft CVE-2026-35273 flaw, allowing the threat actors to resume widespread exploitation of a flaw on vulnerable servers. Google’s Mandiant and Threat Intelligence Group (GTIG) say this new technique has allowed the threat actor to once again […]
New Microsoft Defender ‘ShieldCrash’ zero-day grants SYSTEM access
An anonymous security researcher known as Nightmare Eclipse has released a new Microsoft Defender zero-day exploit named “ShieldCrash” right after Microsoft rolled out its September 2026 Patch Tuesday security updates. ShieldCrash is described as a bypass for the ShieldBreak Defender privilege escalation flaw patched on Thursday, which itself bypassed RoguePlanet, another Defender flaw disclosed in June and patched by Microsoft […]
Critical Citrix NetScaler auth bypass now leveraged in attacks
Attackers have begun targeting a critical-severity Citrix NetScaler flaw in the wild, according to vulnerability intelligence company Previdian. Tracked as CVE-2026-19490, this security flaw can allow unprivileged threat actors to bypass authentication remotely when the NetScaler appliance is configured as an AAA virtual server or as a Gateway (SSL VPN, ICA Proxy, CVPN, RDP Proxy), depending […]
Hackers leverage new Microsoft SharePoint exploit in attacks
A proof-of-concept (PoC) exploit for a critical Microsoft SharePoint vulnerability, published by cybersecurity company Rapid7 on Tuesday, is already being used in attacks. Tracked as CVE-2026-55040, this authentication bypass security flaw in the JWT token validation pipeline can be exploited by attackers without privileges to perform operations as a SharePoint site user or administrator. Microsoft patched […]
CISA orders feds to prioritize patching Langflow auth bypass flaw
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) gave federal agencies until Friday to patch an actively exploited vulnerability in the Langflow visual framework for building AI agents. Langflow is an attractive target for hackers since it’s a popular tool in the AI development ecosystem, offering a drag-and-drop interface to connect nodes into executable pipelines […]
BeyondTrust warns of critical flaws in remote access software
BeyondTrust warned customers to patch two critical security flaws in its Remote Support (RS) and Privileged Remote Access (PRA) software that could allow attackers to bypass authentication. The first vulnerability, tracked as CVE-2026-40138, affects the company’s RS remote desktop and assistance platform (versions 25.3.2 or earlier) and the PRA enterprise cybersecurity solution (versions 25.3.2 or earlier). […]
Microsoft shares mitigation for YellowKey Windows zero-day
Microsoft has shared mitigations for YellowKey, a recently disclosed Windows BitLocker zero-day vulnerability that grants access to protected drives. The security flaw was disclosed last week by an anonymous security researcher known as ‘Nightmare Eclipse,’ who described it as a backdoor and published a proof-of-concept (PoC) exploit. Nightmare Eclipse said that exploiting this zero-day involves placing specially […]
Critical Cisco IMC auth bypass gives attackers Admin access
Cisco has released security updates to address several critical and high-severity vulnerabilities, including an Integrated Management Controller (IMC) authentication bypass that allows attackers to gain Admin access. Also known as CIMC, Cisco IMC is a hardware module embedded on the motherboard of Cisco servers that provides out-of-band management (even if the operating system is powered off or crashed) for UCS […]
Hackers target Microsoft Entra accounts in device code vishing attacks
Threat actors are targeting technology, manufacturing, and financial organizations in campaigns that combine device code phishing and voice phishing (vishing) to abuse the OAuth 2.0 Device Authorization flow and compromise Microsoft Entra accounts. Unlike previous attacks that utilized malicious OAuth applications to compromise accounts, these campaigns instead leverage legitimate Microsoft OAuth client IDs and the […]
Critical n8n flaws disclosed along with public exploits
Multiple critical vulnerabilities in the popular n8n open-source workflow automation platform allow escaping the confines of the environment and taking complete control of the host server. Collectively tracked as CVE-2026-25049, the issues can be exploited by any authenticated user who can create or edit workflows on the platform to perform unrestricted remote code execution on the […]