As of Wednesday, July 29, 2026, the AI cybersecurity threat landscape is showing elevated activity across 147 tracked stories. The dominant themes today are AI & LLM Threats (48 stories), Vulnerabilities & CVEs (48 stories), and Data Breaches (25 stories). AI and LLM-based threats are particularly active with 48 stories covering topics such as prompt injection, model exploitation, deepfake campaigns, and AI-assisted attack tooling. 13 CVEs are being tracked across today's stories, including CVE-2026-66066, CVE-2026-59726, CVE-2026-59309, CVE-2026-47876 and 9 more. Each CVE badge below links directly to the NVD advisory. ⚠️ 28 stories involve critical severity, active exploitation, or zero-day conditions. Security teams should prioritize review of flagged items and verify patch status immediately.
Ruby on Rails has released fixes for a critical Active Storage vulnerability that could let unauthenticated attackers read arbitrary files from application servers through crafted image uploads. Tracked as CVE-2026-66066 (CVSS score: 9.5), the flaw can expose…
The four additional targeted organizations weren’t named. OpenAI said they were not affected as severely as Hugging Face.
LogoKit now builds per-victim phishing pages using live screenshots of the target's real website
Cybersecurity researchers have flagged a maximum-severity security flaw in Ruflo, an open-source agent meta-harness for Anthropic Claude Code and OpenAI Codex, that could result in unauthenticated remote code execution. The vulnerability, tracked as…
Broadcom has released security updates to address multiple security flaws impacting VMware ESX, vCenter, Workstation, and Fusion, three of which have been designated as critical in severity. The first of the three critical-rated flaws is CVE-2026-59309 (CVSS…
TA488 returned with OWA half-click exploit deploying OWAReaper implant that survived re-imaging
Researchers say the Russian state-linked hacking group tracked as Laundry Bear recently began exploiting a bug in Microsoft Outlook Web Access.
A new Mirai-derived IoT botnet can force an infected Linux device to reboot once its main process is killed, giving its persistence mechanisms another opportunity to relaunch it, Nozomi Networks Labs has found. The malware, dubbed Tengu, was discovered by a…
Cybersecurity researchers have disclosed details of a large-scale fraud campaign that involves creating lookalike websites of major Russian companies with an aim to siphon funds from international firms for more than nine years. According to Russian…
ShinyHunters claimed the Ernst & Young data breach, threatening to leak stolen tax records unless the firm contacts the group by July 31. The ShinyHunters cybercrime group has taken responsibility for the recently disclosed data breach involving professional…
Broadcom patched a critical VMware ESXi VM escape flaw (CVE-2026-47876) that could let attackers run code on the host from a compromised virtual machine. Broadcom has released patches to address five vulnerabilities affecting VMware ESXi, vCenter,…
Stairwell, the AI SOC that stops breaches no one else can, today announced the availability of Backstory, an agentic investigation platform that traces related malware variants, identifies affected systems, and maps the full blast radius of an incident in…
Research from Aryon reveals that each year, 3,731,699 short-lived cloud resources containing highly sensitive information are publicly exposed. This impacts any organization using AWS services that support public sharing. These exposures often last only…
The startup will use the investment to expand its customer support, sales, and R&D teams. The post Mate Security Raises $35 Million for Agentic SOC appeared first on SecurityWeek .
AI is compressing exploit timelines. The real question isn't whether your vulnerability management playbook needs to change, it's which part of it you've been getting wrong all along. The conversation happening in security circles right now goes something…
A total of five vulnerabilities have been patched in VMware ESXi, vCenter, Workstation, and Fusion. The post Critical VM Escape Vulnerability Patched in VMware ESXi appeared first on SecurityWeek .
MIND has announced MIND AI DLP Agents with capabilities focused on classification, investigation, policies, remediation and exception management. MIND also includes a Model Context Protocol (MCP) interface that enables security teams to direct data security…
Contrast Security has announced Contrast CVE Shield, designed to help organisations defend against the growing number of exploits generated with advanced AI models such as Claude Mythos. Contrast CVE Shield runs inside the application, where it detects,…
OpenAI confirmed its AI exploited an Artifactory zero-day to escape its test environment before breaching Hugging Face. Two weeks after Hugging Face disclosed an autonomous AI system had breached it, the picture just got a lot more specific. OpenAI has…
IBM Cost of a Data Breach Report warns that the global average cost of a data breach has reached a record high of $4.99m – and AI-backed attacks have played a role
The guidance details steps organizations can take to isolate vital OT and supporting systems, and operate in isolation for an extended period. The post US, Australia Release OT Isolation Guidance for Critical Infrastructure appeared first on SecurityWeek .
For now, the use of AI benefits vulnerability research more than vulnerability exploitation, a VulnCheck researcher said
Hugging Face has published an anatomy of the attack and OpenAI has shared additional information from its investigation. The post OpenAI’s Rogue AI Ventured Beyond Hugging Face appeared first on SecurityWeek .
AI is dramatically reducing the barriers to entry for scam phone farm operators, Human Security warns
Reuters says OpenAI’s rogue AI agent also breached a Modal customer, exposing a wider attack and raising fresh concerns over autonomous AI safety. Reuters reported that the OpenAI agent that hacked Hugging Face earlier this month also compromised a customer…
Accuris has announced new AI capabilities for BOM Intelligence, part of its Supply Chain Intelligence suite. The launch gives engineering, procurement and supply chain teams a clearer way to move from spotting component risk to acting on it: catching…
The OpenAI models targeted services beyond Hugging Face as they attempted to solve the tasks they were given. The post JFrog Zero-Days Exploited in OpenAI-Hugging Face Hack appeared first on SecurityWeek .
Fortinet has announced the FortiGate 1200G series, the newest addition to the FortiGate G series with FortiSASE Outpost, which brings cloud-delivered security services into customer-controlled environments. By combining high-performance threat protection,…
A breached “no-logs” VPN exposed 58 million connection logs and millions of user, device, and payment records, contradicting its privacy claims. A threat actor on the Altenen cybercrime forum is distributing a 17 GB SQL database claimed to have been stolen…
1Password has launched 1Password Privileged Access, extending the 1Password Unified Access platform with privileged access management (PAM). It enables just-in-time, least-privilege access to critical infrastructure and is accompanied by the public preview of…
OpenAI on Tuesday revealed the rogue artificial intelligence (AI) agent that escaped its sealed evaluation environment and broke into Hugging Face's production environment also hacked multiple third-party accounts and services as part of the attack. The…
In a new disclosure, OpenAI says its agent used exposed logins to gain access to at least four “publicly available services” in its unhinged quest to solve a test.
Anthropic says Claude Mythos Preview helped derive an end-to-end key-recovery attack against HAWK-256 and a 200- to 800-fold speedup for an attack on seven-round AES-128. The HAWK attack exploits a previously unused symmetry in the lattice behind the…
AI-assisted research uncovered Linux kernel use-after-free allowing root escalation
JFrog has confirmed that OpenAI models exploited a zero-day in self-hosted Artifactory while trying to reach the open internet from a sealed evaluation environment. Artifactory is JFrog's software repository manager. OpenAI says the models then escalated…
Microsoft has launched a new agentic security system for cyber defenders as well as its first cyber-focused AI model
NVIDIA has launched a new Open Secure AI Alliance to build an “open defense stack for agents”
CREST’s new AI standards are optional add-on requirements for cybersecurity service providers wishing to demonstrate responsible AI usage
STAR Labs has published a Linux kernel exploit that turns an ordinary local user into root on the CentOS Stream 9 build it targeted. The flaw, tracked as CVE-2026-53264 (CVSS score: 7.8), is a use-after-free race in the kernel's network traffic-control…
For a long time, AutoIT[ 1 ] has been pretty common in the malware ecosystem. Threat actors still use it because it's easy to write and powerful. Indeed, it can perform all the required actions to inject a payload into a remote process as…
Microsoft has launched its first cybersecurity-specific model inside MDASH, its multi-model vulnerability identification and remediation harness. The company says MDASH, using MAI-Cyber-1-Flash and GPT-5.4, scored 95.95% on CyberGym. It also claims the…
Researchers tested top image editing models on Hugging Face and found they could easily create explicit deepfakes—and 1,000 image editing prompts show how people use the software.
The screwup shows how tricky it can be to stop web crawlers from making ostensibly private conversations with AI chatbots entirely too public.
NVIDIA and 36 other organizations have formed the Open Secure AI Alliance to develop and share open technologies, techniques, and tools for securing software and artificial intelligence (AI) agents. The 37-member group spans cloud, security, enterprise…
Monday starts with the usual promise that everything is under control. Then the logs wake up. This week, trusted tools crossed lines, old flaws found new work, exposed systems stayed exposed, and attackers kept hiding inside normal-looking services. Nothing…
ESAFENET&#;x26;#;39;s CDG showed up in our data before. The company focused on secure document management and data leakage prevention solutions. The "CDG" stands for "Content Data Guard", and the product appears to be mostly…
Plus: Russian hackers are trying to steal US nuclear scientists’ emails, the State Department bans known scammers from entering the United States, and more.
Cybersecurity researchers have disclosed a critical vulnerability in OpenAI's ChatGPT Workspace Agents that could have allowed a single phishing link to stealthily build, authorize, and deploy an autonomous artificial intelligence (AI) agent inside a victim's…
AI agent security is moving through a familiar maturity curve: adoption, then visibility, and finally, control. But what we've collectively discovered is that enforcing least privilege for AI agents is harder than we ever imagined. This is why there are so…
OpenAI’s chatbot tool ChatGPT ranked among the top 10 most impersonated brands in phishing attacks for the first time
Someone installed a popular AI assistant on a rented server, switched off the setting that makes it ask permission before running risky commands, and pointed it at Thailand's Ministry of Finance, which runs the country's treasury and tax collection. The agent…
Eight security flaws in NodeBB went public on Wednesday, along with the code to exploit them. Aikido Security rates all eight as high severity and says its AI pentest agents found them in a six-hour review of the forum software's source code. Every version…
CoreView research finds that security leadership is concerned about AI Assistant exposing confidential data
Two disclosures, five days apart, described the same intrusion from opposite ends — 
 one from the victim, one from the party that turned out to be responsible — and 
 together they make one of the more instructive…
Sophos report warns that the rapid adoption of AI by businesses is leaving them vulnerable to a new source of cyber threats
Dolphin X is a new infostealer that uses AI to sort and rank victims, giving cybercriminals a faster way to identify lucrative targets
A new study of organizations which have fallen victim to ransomware suggests the rise of AI-tools being used by hackers is making life harder for defenders
Hugging Face recently disclosed a security breach. OpenAI has now said that it was its AI models which broke containment and hacked Hugging Face themselves
CodeMender actively builds and runs exploits in customer-managed sandboxes to verify if vulnerabilities are truly exploitable
The home appliance giant LG Electronics USA said this week it plans to suspend any apps built for its smart TVs that turn one's television into an always-on residential proxy node. The move comes less than a month after researchers found that more than 42…
The cybersecurity-focused models, including GPT-5.6 Sol, broke out of a testing sandbox, exploited a zero-day, and gained access to the open internet to pull off the attack.
<div class="c-page-title__buttons"><a class="c-button" href="https://media.defense.gov/2026/Jul/22/2003965244/-1/-1/1/CSA_RUSSIA_PHISHING_TARGET_ZIMBRA.PDF">Russian State-Supported Cyber Actors Conduct Phishing Campaign Targeting Users of Zimbra Collaboration…
A new type of malware can worm deep into AI coding systems to steal data and logins—and can flip a “death switch” to destroy files and keep out real users.
Russian-speaking actor Trim built a commercial offensive AI pentest tool on jailbroken Claude models
FBI warned of deepfake videos of IC3 leadership directing users to spoofed complaint sites
JadePuffer follow-up campaign deployed ENCFORGE locker built to destroy AI model artifacts
A researcher who discovered a critical vulnerability in WordPress has used OpenAI’s latest model to develop an exploit chain
Plus: Russian cyberspies turn to infrastructure hacking, DHS repeatedly fails to realize it’d been hacked, a breach exposes an AI music generator’s scraping ways, and more.
“Context bombing” tricks malicious AI agents into shutting down before they can do harm.
The City Attorney’s Office sent the tech giants cease-and-desist letters this week telling them to stop profiting from 13 “face-swap” apps that are overwhelmingly used to target women and girls.
Cybersecurity researchers tested Open AI GPT 5.5’s offensive cyber capabilities – and the results showed how effective a frontier LLM can be for hackers
SANS Institute says governance programs are still nascent even as AI failures and threats grow
The White House announced Gold Eagle to help accelerate the discovery, prioritization and patching of flaws found by AI
Microsoft released fixes for a record 570 CVEs in its July Patch Tuesday update, as experts warn AI is dramatically accelerating vulnerability discovery and increasing patch volumes
Microsoft Corp. today released software updates to plug at least 570 security holes in its Windows operating systems and other software, almost triple the number of vulnerabilities the software giant fixed in its record-smashing Patch Tuesday release last…
The Cybersecurity and Infrastructure Security Agency (CISA) has issued a postmortem on a data leak in which a contractor published dozens of internal CISA credentials -- including AWS Govcloud keys -- in a public GitHub repository for almost six months before…
Researchers at the AI Now Institute developed a proof-of-concept exploit showing common AI tools used for security could backfire
Microsoft has said the volume of Windows security updates is set to grow as it uses AI to find new bugs
Wiz discovered GhostApproval, a symlink flaw in six major AI coding assistants that bypasses approval
Over 70 cybersecurity organizations have signed the CREST AI Charter detailing responsible use of AI for security
Cybersecurity researchers at ESET identify big rise in suspicious and malicious toolsets which put users at risk from cyber-attacks
<p>Russian Government-Sponsored Activity Targets Poorly Configured and Vulnerable Devices Across Critical Sectors</p> <h2><strong>Executive summary</strong></h2> <p>Russian Federal Security Service (FSB) Center 16 cyber actors continue to exploit poorly…
A cybersecurity startup dangling millions of dollars to acquire zero-day security vulnerabilities in popular software is run by a pair of far-right conspiracy theorists and convicted felons whose most recent ventures included fake intelligence companies and a…
Sygnia report details how agentic AI accelerated weeks-long attack to just 72 hours
The National Cyber Security Centre wants to work with AI partners to build a new “Cyber Shield” to defend the UK
Zscaler found sites hiding prompt-injection text to manipulate AI agents into crypto payments
IWF and NCA warn that growing numbers of images and videos are being manipulated into sexual abuse material
Researchers have revealed JadePuffer, the first agentic AI-powered ransomware campaign, highlighting how autonomous agents can automate cyber-attacks
The new classifier in Fable 5 blocks the jailbreak technique that prompted the US export controls “in over 99% of cases”
OpenAI is previewing its GPT-5.6 Sol model to a vetted few at the US government's request
Experts warn the Jaguar Land Rover breach bears hallmarks of Kremlin-backed hackers, citing novel ransomware, strategic timing and efforts to obscure attribution
Cobalt study finds 20-percentage-point drop in number of organizations relying solely on AI automation for testing
LayerX tricked AI browsers including ChatGPT Atlas and Comet into bypassing their guardrails
SentinelLabs found a North Korea-linked macOS backdoor using prompt injection on AI triage tools
New ReliaQuest study reveals the six ways AI is practically being used in attacks today
OpenAI expanded Daybreak with a full GPT-5.5-Cyber release to help defenders patch software flaws
The Five Eyes Alliance has published a rare call to action for organizations facing AI threats
North Korean threat actor Sapphire Sleet has been linked to a supply chain attack targeting Mastra, according to Microsoft security researchers
Working with frontier AI models, this new platform aims to help discovering, prioritizing, validating and remediating code vulnerabilities
A Rust crypto clipper hides behind fake GitHub stars and AI-narrated YouTube videos
Analysis of chatter on underground forums by Sophos finds that hackers fear AI could take work away from them
Nisos infiltrated a North Korean IT-worker fraud cell running on AI interviews and a US laptop farm
The rise of AI-assistants and applications in the enterprise has seen a 93% increase in employees attempting to upload sensitive data, bringing security challenges
Filigran survey at Infosecurity Europe 2026 reveals AI-powered attacks as the top concern, with false positives, alert fatigue and manual processes draining security teams
SANS Institute study finds few SOCs have built AI into defined workflows, despite widespread adoption
Athena is a new an industry coalition to fix the vulnerabilities frontier AI models find before attackers can exploit them
Access to two Anthropic large language models, Mythos 5 and Fable 5, has effectively been banned to any non-US nationals by the Trump administration
Government departments find hundreds of vulnerabilities after testing frontier models
Fake AI guides hide a multi-stage chain that drops AsyncRAT, with signs of AI-assisted coding
Organizations are aware of the challenges that new technologies like AI bring: but cybersecurity staff struggle to make time for the required training during working hours
Tenet Security researchers reveal how new “agentjacking” attacks could trick coding agents into executing arbitrary code
Anthropic unveils Claude Mythos 5 and Fable 5, a restricted-access frontier AI model and guardrailed version for everyone to use
Most dev teams use AI coding assistants but only 30% have full governance in place
OpenAI brings Lockdown Mode and Active Sessions to ChatGPT to curb prompt injection data theft
At Infosecurity Europe 2026, OWASP’s Ariel Fogel warned that prompt injection remains an “unresolved problem” within generative AI architecture
Meta confirms an AI tool vulnerability led to unauthorized access to Instagram accounts after a failure in email verification during password reset
Lloyds Banking Group shared its approach for securing agentic AI workflows, with a mix of hands on experimentation and cross functional governance
The OWASP agentic AI security framework helps organizations assess governance maturity vs adoption and adjust governance as needed
Ox Security field CTO, Boaz Barzel, makes the case for vibe security to tackle AI agent coding risks
Microsoft Detection and Response Team (DART) details how it has uncovered malicious AI applications as cyber criminals manipulate organizations adopting AI tools
A Bugcrowd researcher has unveiled ExploitBench, an independent benchmark of AI models for vulnerability exploitation
Proton uses machine learning models to detect abuse of its services – especially email addresses used by cybercriminals
Inaugural Infosecurity Europe Cyber Startup Award Winner Impresses Panel with Ability Help Prioritize Vulnerabilities in AI era
Trump's executive order invites voluntary pre-release review of frontier AI models
Anthropic widens Project Glasswing access to 150 more firms as patching becomes the bottleneck
The emergence of AI models capable to autonomously find and fix vulnerabilities at scale is having a significant impact on patching management, experts say
Halcyon’s Cynthia Kaiser lifts the lid on the dark web market for AI cybercrime tools
Humans still need to be part of cyber defense, but refusing to deploy AI is no longer optional against AI-enhanced cyber threats, warns Dataminr’s Joe Slowik
Bayer’s security awareness training now focuses on psychological approaches rather than technical methods for detecting social engineering
A threat actor used AI coding tools to build and test EDR evasion malware, Sophos finds
UK organizations are prioritizing AI-driven cybersecurity as 43% cite AI-powered attacks as their top risk, prompting significant investment in advanced threat defense
The Instagram accounts for the Obama White House and the Chief Master Sergeant of the U.S. Space Force were briefly defaced with pro-Iranian images and messages over the weekend, after instructions began circulating on Telegram showing how to trick Meta's "AI…
Top cybersecurity vendors said AI won't replace entry-level – only routine ticket-taking and triage
Push Security says threat actors are delivering malware hosted on chatgpt.com/s/ domain
OWASP’s new Agentic Research Council will aim to connect academic work to operational realities on agentic AI security
Sloppy AI-generated npm infostealer leaked its own GitHub token, exposing the operator
GCHQ director urges urgent business cyber action as AI and quantum reshape the threat
UK firms plan higher cyber spending as AI adoption raises security concerns
CERT-In urges 12-hour patching of exposed flaws as AI compresses exploitation timelines
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<h2><strong>Advisory at a Glance</strong></h2> <table> <tbody> <tr> <th>Title</th> <td>Iranian-Affiliated Cyber Actors Exploit Programmable Logic Controllers Across US Critical Infrastructure</td> </tr> <tr> <th>Original Publication</th> <td><strong>April 7,…
<h2><strong>Summary</strong></h2> <p><strong>Note:</strong> This joint Cybersecurity Advisory is being published as an addition to the Cybersecurity and Infrastructure Security Agency (CISA) May 6, 2025, joint fact sheet <a…
<h2><strong>Executive summary</strong></h2> <p>People’s Republic of China (PRC) state-sponsored cyber threat actors are targeting networks globally, including, but not limited to, telecommunications, government, transportation, lodging, and military…
2.5 million people were affected, in a breach that could spell more trouble down the line.
Researchers uncover a watering hole attack likely carried out by APT TA423, which attempts to plant the ScanBox JavaScript-based reconnaissance tool.
Over 130 companies tangled in sprawling phishing campaign that spoofed a multi-factor authentication system.