Tag: zero day
368 articles
Unpatched Argo CD Flaw Exposes Kubernetes Clusters to Takeover
A critical flaw in Argo CD's repo-server component has been left unpatched for 18 months, leaving Kubernetes clusters vulnerable to takeover by allowing unauthenticated access to sensitive functions. This gaping security hole enables attackers to execute malicious scripts and gain control of your cluster.
Cursor Flaws Expose Developers to Zero-Click Attacks
Beware of DuneSlide, a pair of high-severity flaws that could let a single, innocent-looking prompt hijack your Cursor environment and unleash a zero-click attack on your computer - update to Cursor 3.0 now to stay safe!
Adobe Fixes CVSS 10.0 Flaws in ColdFusion and Campaign Classic
Adobe is racing against the clock to keep you safe, with emergency updates for ColdFusion and Campaign Classic that squash critical flaws allowing hackers to wreak havoc. The timely patches fix vulnerabilities that could lead to devastating attacks, from code execution to security breaches.
Oracle E-Business Flaw Exploited in Ongoing Attacks
A critical flaw in Oracle E-Business, known as CVE-2026-46817, is being exploited by attackers, allowing them to take over vulnerable systems with just HTTP network access. This highly severe vulnerability, with a CVSS score of 9.8, has now been targeted in real-world attacks, with security researchers observing exploitation attempts on Oracle E-Business honeypots.
Citrix Discloses High-Severity NetScaler Flaw with CitrixBleed Echoes
Citrix has uncovered a high-severity flaw in its NetScaler appliances, adding to concerns about the trend of fragile memory management in these systems, which can lead to sensitive data leaks with just a misconfiguration. This latest vulnerability, CVE-2026-8451, was discovered by watchTowr researchers and is part of six newly disclosed vulnerabilities in Citrix's NetScaler ADC and Gateway appliances.
Citrix Fixes Flaws in NetScaler Software Exposing Users to File Reads and DoS Attacks
Citrix has patched six high-risk vulnerabilities in its NetScaler software, including flaws that could expose users to file reads and devastating denial-of-service attacks. These critical updates address issues with CVSS scores as high as 8.8, emphasizing the urgent need for users to apply the fixes.
Nissan Breach Exposes Sensitive Employee Data via Oracle Zero-Day Flaw
Nissan's HR and payroll systems were compromised when hackers exploited a critical Oracle PeopleSoft vulnerability, putting sensitive employee data at risk. The breach, which occurred between May 27 and June 9, is a stark reminder of the importance of robust data security measures.
SimpleHelp Vulnerability Exploited to Deliver Novel Malware
A critical vulnerability in SimpleHelp's remote monitoring software, rated a perfect 10 in severity, was exploited by attackers to masquerade as trusted technicians and deploy brand-new malware across customer networks. This flaw allowed hackers to bypass authentication and gain unauthorized access with ease.
CVE-2026-48558 Exploitation Deploys TaskWeaver, Djinn Stealer Malware
A critical vulnerability, CVE-2026-48558, with a maximum severity score of 10.0 is being exploited to spread two new malware families, TaskWeaver and Djinn Stealer, by turning remote monitoring servers into malware distribution points. This flaw allows attackers to bypass OpenID Connect authentication in SimpleHelp and gain a fully authenticated session.
Apple Bolsters Security with AI-Discovered WebKit Flaw Patches
Apple is stepping up its security game by releasing patches for over three dozen WebKit flaws, discovered with the help of AI, to protect its users from potential hacking threats. By speeding up its update process, Apple aims to outpace malicious hackers who are leveraging AI to develop exploits at an alarming rate.
ShinyHunters Breach Exposes NAIC's Public Data
The National Association of Insurance Commissioners (NAIC) revealed that a breach exposed its public data after an unauthorized third party exploited a PeopleSoft vulnerability, identified as CVE-2026-35273, tied to the notorious ShinyHunters extortion group. This security issue allowed attackers to gain access to a portion of NAIC's IT systems, compromising sensitive information.
Anonymous Researcher Exploits 15 Software Products with Zero-Day Code Dump
A security bombshell has been dropped: an anonymous researcher has publicly shared exploit code for zero-day vulnerabilities in 15 software products, and hackers are already taking advantage of at least two of them. The alarming revelation has sent shockwaves through the cybersecurity community.
Hackers Exploit Oracle E-Business Flaw in Targeted Attacks
Hackers are actively exploiting a critical Oracle E-Business flaw, CVE-2026-46817, with a near-perfect CVSS score of 9.8, in targeted attacks, allowing for unauthenticated HTTP takeover. This alarming vulnerability has no known previous exploitation and no public proof-of-concept code exists, making it a high-risk threat.
Oracle Flaw Exposes US Citizens' Credit Data in NAIC Breach
A recent breach at the National Association of Insurance Commissioners exposed US citizens' sensitive credit data, prompting swift action and FBI coordination to mitigate the damage. The hack was made possible by a zero-day vulnerability in Oracle PeopleSoft, which was exploited by attackers to gain unauthorized access.
GitHub Repos Used to Deploy Malware via AI Coding Tools
Imagine a GitHub repository that looks perfectly safe, yet can secretly deploy malware on a developer's device - all without triggering any red flags. Researchers have demonstrated just how easily this can happen, using an AI coding agent to run a malicious payload hidden in a seemingly clean project.
Perimeter Devices Exposed as Vulnerability in Authentication Bypass Attacks
A recent emergency directive from CISA revealed a shocking vulnerability in Check Point Remote Access VPN, allowing attackers to bypass authentication and gain trusted user access since early May. This critical flaw, with a CVSS score of 9.3, enables remote attackers to establish a fully authenticated VPN session without a valid password, essentially turning a security gateway into an entry point for intruders.
Google Warns of Cisco Vulnerability Exploited as Zero-Day Months Before Disclosure
Google sounded the alarm on a Cisco vulnerability that was exploited as a zero-day months before its disclosure, putting users of Cisco Catalyst SD-WAN products on high alert. This critical flaw, tracked as CVE-2026-20245, allows authenticated local attackers to wreak havoc due to insufficient validation of user input in the command-line interface.
Cisco SD-WAN Zero-Day Exploited for Root Access
A shocking new discovery reveals that a Cisco SD-WAN zero-day vulnerability, CVE-2026-20245, was exploited for root access at least two months before its public disclosure. This highly critical flaw, with a CVSS score of 7.8, allows attackers to execute arbitrary commands with elevated privileges.
Mandiant Exposes Cisco SD-WAN Zero-Day Attacks' Root Access Methods
Cisco's SD-WAN system was exploited in active attacks using a high-severity flaw, allowing hackers to create a rogue root account and take full control of targeted devices. This vulnerability, tracked as CVE-2026-20245, was triggered through a simple tenant-upload feature in the command-line interface.
CISA Warns of Active Exploitation of Lantronix EDS5000 Flaw
A critical code-injection flaw, CVE-2025-67038, has been discovered in Lantronix EDS5000 Series devices, allowing attackers to inject arbitrary OS commands with root privileges due to a lack of input sanitization in the HTTP RPC module. This vulnerability has a CVSS score of 9.8, indicating a high severity level.
Vulnerability Management Faces AI-Driven Time Crunch
The time it takes for hackers to exploit a newly discovered vulnerability has dramatically shrunk from 53 days to just 8 hours, thanks to AI-driven automation that accelerates the process of finding and weaponizing weaknesses. This alarming trend makes it increasingly challenging for organizations to keep pace with patching and remediation efforts.
Dify Vulnerabilities Expose AI Chats Across Tenants
Researchers have uncovered four critical vulnerabilities in Dify, a popular AI platform with over 146,000 GitHub stars, that could allow attackers to read sensitive AI conversations across different customer applications without needing authentication. These flaws, collectively known as DifyTap, expose a broad attack surface due to Dify's default multi-tenant setup.
Canada's Spy Agency Neutralizes Foreign Botnets with Landmark Warrant
In a groundbreaking move, Canada's spy agency, CSIS, has successfully neutralized two foreign-run botnets operating on Canadian soil, thanks to a landmark warrant that allowed them to access and shut down infected devices. This pioneering threat-reduction tactic marks a major win in the fight against botnet threats.
CISA Warns of Widespread FortiBleed Attacks on 86,644 Devices
The US Cybersecurity and Infrastructure Security Agency (CISA) has issued a warning after a massive cyberattack, dubbed FortiBleed, compromised a staggering 86,644 FortiGate devices, putting countless networks at risk. Take immediate action to protect yourself: shut down active SSL VPN and admin sessions, reset passwords, and enforce strong password policies.