Cybersecurity
Breaches, CVEs, CISA advisories, and threat intelligence
Threat Severity Distribution
OpenAI is preparing “o,” an always-on ChatGPT assistant that could handle email
OpenAI is developing an always-on assistant called 'o' that could automate email and other tasks, representing a significant expansion of AI assistant capabilities that organizations should monitor for security and productivity implications.
Citrix confirms two NetScaler RCE zero-days exploited in attacks
Citrix has confirmed two critical NetScaler remote code execution zero-days (CVE-2026-88771 and CVE-2026-88772) are actively being exploited in the wild. Security patches have been released and immediate patching is required to prevent unauthorized system access.
Wireshark 4.6.9 Released, (Sun, Sep 27th)
Wireshark 4.6.9 addresses 19 vulnerabilities and 16 bugs, requiring immediate attention for organizations relying on this critical network analysis tool. Security teams should prioritize patching to mitigate potential exploitation risks.
Cloudflare fixes Containers cross-tenant flaw exposing customer data
Cloudflare patched a cross-tenant vulnerability in its Containers and Sandboxes that allowed paid Workers customers to access residual data from other customers' containers on shared physical infrastructure. This represents a significant data isolation failure requiring immediate verification of exposure scope.
Anthropic turns Claude into an AI marketplace with 2,000+ plugins and connectors
Anthropic launched Claude Marketplace with 2,000+ plugins and connectors, expanding Claude's capabilities and ecosystem integration. This move positions Claude as a competitive alternative to other AI platforms with extensible functionality.
All Cyber Intelligence (50)
ISC Stormcast For Monday, September 28th, 2026 https://isc.sans.edu/podcastdetail/10112, (Mon, Sep 28th)
OpenAI is preparing “o,” an always-on ChatGPT assistant that could handle email
OpenAI is developing an always-on assistant called 'o' that could automate email and other tasks, representing a significant expansion of AI assistant capabilities that organizations should monitor for security and productivity implications.
Citrix confirms two NetScaler RCE zero-days exploited in attacks
Citrix has confirmed two critical NetScaler remote code execution zero-days (CVE-2026-88771 and CVE-2026-88772) are actively being exploited in the wild. Security patches have been released and immediate patching is required to prevent unauthorized system access.
Wireshark 4.6.9 Released, (Sun, Sep 27th)
Wireshark 4.6.9 addresses 19 vulnerabilities and 16 bugs, requiring immediate attention for organizations relying on this critical network analysis tool. Security teams should prioritize patching to mitigate potential exploitation risks.
Cloudflare fixes Containers cross-tenant flaw exposing customer data
Cloudflare patched a cross-tenant vulnerability in its Containers and Sandboxes that allowed paid Workers customers to access residual data from other customers' containers on shared physical infrastructure. This represents a significant data isolation failure requiring immediate verification of exposure scope.
Anthropic turns Claude into an AI marketplace with 2,000+ plugins and connectors
Anthropic launched Claude Marketplace with 2,000+ plugins and connectors, expanding Claude's capabilities and ecosystem integration. This move positions Claude as a competitive alternative to other AI platforms with extensible functionality.
Microsoft SharePoint Flaw CVE-2026-65660 Now Exploited in Attacks
CISA added CVE-2026-65660 to its KEV catalog, giving federal agencies a patching deadline of September 28. The post Microsoft SharePoint Flaw CVE-2026-65660 Now Exploited in Attacks appeared first on
Warning: Two Unpatched Citrix NetScaler RCE Zero-Days Under Active Exploitation
Two critical vulnerabilities in Citrix NetScaler ADC and NetScaler Gateway that allow remote code execution have been exploited in the wild, Citrix confirmed on September 27. It released fixes for bot
[CISA KEV] CVE-2026-88772: Citrix NetScaler Improper Restriction of Operations within the Bounds of a Memory Buffer Vulnerability
Citrix NetScaler ADC and NetScaler Gateway contain an improper restriction of operations within the bounds of a memory buffer vulnerability that could allow for remote code execution or denial of serv
[CISA KEV] CVE-2026-88771: Citrix NetScaler Improper Input Validation Vulnerability
Citrix NetScaler ADC and NetScaler Gateway contain an improper input validation vulnerability that could allow an unauthenticated attacker to execute arbitrary commands. Vendor/Project: Citrix Product
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 wid
Lunex Stealer Abuses AMD Driver to Disable Security Monitoring and Steal Browser Credentials
The Psychedelic Stealer malware distributed via compromised Ukrainian websites using ClickFix-style Cloudflare verification checks is part of a wider malware-as-a-service (MaaS) platform called Lunex.
China and US Agree to Establish AI Safety Channel and Continue Trade and Military Talks
The US and China agreed to set up a communication mechanism for artificial intelligence-related incidents. The post China and US Agree to Establish AI Safety Channel and Continue Trade and Military Ta
Claude Opus 5.5 uses 95% fewer em dashes, but its answers are getting longer
Anthropic's Claude Opus 5.5 appears to be changing how it writes, with new analysis showing fewer obvious AI writing patterns, shorter sentences, and simpler wording compared with Opus 5. [...]
Microsoft pauses KB5002907 update after Office license deactivations
Microsoft has paused the rollout of the KB5002907 Microsoft 365 update after users report that it deactivated, or in some cases completely removed, perpetual Office 2016 and Office 2019 installations.
GitHub Actions re-enabled with Mini Shai-Hulud payload still active
Two third-party GitHub Actions previously compromised in a Mini Shai-Hulud campaign were re-enabled by their maintainer and remained accessible for more than a week despite still pointing to malicious
OpenAI's AI agents accidentally uploaded user-provided images to third-party sites
OpenAI says its AI agents uploaded user-provided images to third-party image-hosting services while carrying out research and evaluation tasks. [...]
New x47.c Windows Botnet Weaponizes xAI Grok, AI API Draining
The Windows botnet relies on AI to maintain persistence, using xAI Grok to choose from predefined actions. The post New x47.c Windows Botnet Weaponizes xAI Grok, AI API Draining appeared first on Secu
Attackers Bypass WAFs to Exploit Oracle PeopleSoft Flaw and Deploy Web Shells
Google is warning of renewed mass exploitation of a known security vulnerability in Oracle PeopleSoft as part of a campaign targeting multiple sectors globally. The ShinyHunters-linked activity involv
Zero Trust for AI Agents Starts With Fixing Zero Visibility
The way we talk about AI agents is shifting, and the way we implement them requires an even more fundamental shift. While earlier discourse focused on how quickly organizations could stand up agents a
OpenAI Says Its Models Engaged With US Government Websites in New Model Misbehavior Disclosure
OpenAI’s CEO said there is an “extensive and ongoing review related to our agents’ use of internet access during training and evaluation.” The post OpenAI Says Its Models Engaged With US Government We
Elementor CSRF Flaw Lets Attackers Take Over Sites After Admin Clicks Crafted Link
Details have emerged about a high-severity security flaw in the Elementor Website Builder WordPress plugin that could be exploited by an unauthenticated attacker to create rogue administrator accounts
SharePoint RCE and MikroTik RouterOS Flaws Actively Exploited in the Wild
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Friday added two security flaws impacting Microsoft SharePoint and Mikrotik RouterOS to its Known Exploited Vulnerabilities (KEV) ca
Kiteworks Urges Customers to Shut Down Systems for 9 Hours Over Possible Cyber Attack
Kiteworks (formerly Accellion) is urging customers to shut down their systems as a precautionary measure for nine hours over the weekend after it received threat intelligence about an imminent cyber a
3 Consulting Myths Debunked by Unit 42 Experts
Unit 42 security experts address critical cybersecurity misconceptions, offering practical insights to help your organization reinforce its enterprise defenses. The post 3 Consulting Myths Debunked by
U.S. Soldier Gets 70 Months in Prison for AT&T, Verizon Extortions
A U.S. Army soldier who pleaded guilty to hacking into multiple telecommunications companies and stealing mobile call and text metadata for more than 100 million AT&T customers in 2024 was sentenced t
Kiteworks urges 6-hour server shutdown over potential zero-day attacks
Secure file-sharing software company Kiteworks is urging customers worldwide to temporarily shut down their servers on Saturday for a six-hour window after receiving threat intelligence warning of a p
Friday Squid Blogging: Participatory Squid Dissection in October in Tennessee
I feel like someone who reads this blog will want to go to this : Families are invited to dive into the fascinating world of marine biology during an exciting, hands-on Family Squid Dissection at the
ShinyHunters hacked Clop leak site using Grav CMS path traversal flaw
The Clop ransomware gang has moved its data leak site to a new Tor address after confirming its previous server was compromised and defaced through an unpatched Grav CMS flaw that BleepingComputer has
How the CISO CFO Relationship is a Key to Cybersecurity Success
Building a financial bridge: Organizations where CISOs and CFOs align on cybersecurity strategy to protect assets, manage risk and enable business growth are better prepared to face today's threat lan
Kiteworks urges customers to stop using platform after warning from federal intelligence agencies
Frank Balonis, CISO at Kiteworks, told Recorded Future News that the company “received credible threat intelligence from federal intelligence authorities indicating that a threat actor may attempt to
Labcorp to overhaul data security practices, pay $2.3 million fine for cybersecurity failings
Security changes include creating an incident response plan for vendor security failings, limiting how much data Labcorp shares with vendors and building an expansive risk management team charged with
AI Sandbox Escapes: Why Forensic Readiness Matters More Than Containment
When autonomous AI agents "escape the sandbox," the real story isn't rogue machines — it's the same access-control failures we've seen for decades.
Elementor WordPress flaw lets attackers create admin accounts
A cross-site request forgery (CSRF) vulnerability in the Elementor plugin for WordPress could allow an unauthenticated attacker to create administrator accounts. [...]
What We Missed: Google Gemini Joins the AI Escape Party
In this video conversation, Dark Reading editors discuss some of the news they didn't get a chance to cover, from Google Gemini models breaking containment to ShinyHunters ratting on TeamPCP hackers.
CISA warns of Sharepoint, WSO2, Adobe Commerce flaws exploited in attacks
The Cybersecurity and Infrastructure Security Agency (CISA) warns that hackers are exploiting a critical authentication bypass vulnerability (CVE-2026-5430) affecting multiple products from enterprise
Anthropic rolls out up to $250 in free Claude Code credits, but only for cloud sessions
Anthropic now allows you to run Claude Code via cloud sessions without signing up for the research preview, and it's offering up to $250 in free usage credits, so more users can give it a try. [...]
Storm-3168: Agentic-driven cloud attacks using compromised service principals
In this article Attack overview Technical analysis Mitigation and protection guidance References Learn More Microsoft Security Research has identified malicious cloud activity associated with JADEPUFF
Crypto CEO accuses North Korea of stealing $387 million from Bitget platform
The CEO said the company has a User Protection Fund that has over $464 million and those funds will be used to cover the losses.
In Other News: Clop Leak Site Takeover, Docker Botnet Hunts AI Keys, Water Utility Exposure
Noteworthy stories that might have slipped under the radar: BragJack attack against browser AI assistants, TDengine flaw threatens industrial telemetry uptime, Ubuntu update overhaul. The post In Othe
Cyberattack hits Welsh police force, may have affected staff data
Dyfed-Powys Police in Wales said a cyberattack affecting the force disrupted some non-emergency systems and may have compromised staff information.
OpenAI is preparing a $500 ChatGPT Pro Max plan with faster Codex
OpenAI appears to be preparing a new ChatGPT Pro Max subscription that could cost $500 per month, but it's unclear when it'll begin rolling out. [...]
Stopping IT Worker Scams Requires Revamped HR Process
Training human-resource managers in the latest tactics and warning signs goes a long way toward blunting the threat, but automated analysis can help even more.
Compromised GitHub Actions Came Back Online and Resumed Executing Mini Shai-Hulud Malware
Two actions-cool GitHub Actions have been disabled for a second time after the repositories became accessible last week, months after they were compromised during the May 2026 Mini Shai-Hulud campaign
North Korea Suspected in $351 Million Bitget Crypto Heist
Bitget’s security systems caught the unauthorized transfers on September 24, and some wallet addresses linked to the attacker have been frozen. The post North Korea Suspected in $351 Million Bitget Cr
PamStealer macOS Malware Adds Live C2 Payload Decryption and Multi-Layer Persistence
Cybersecurity researchers have flagged a new version of PamStealer that ensures that the main payload can only be recovered using a server-side decryption chain. The latest artifacts, per Jamf Threat
A Closer Look at Malware From the Macfinger ClickFix Campaign, (Fri, Sep 25th)
Introduction
CISA Election Security Plan Flags Patching Barriers, Voter Database Attacks
Homeland Security Secretary Markwayne Mullin tasked CISA with developing the plan in July. The post CISA Election Security Plan Flags Patching Barriers, Voter Database Attacks appeared first on Securi
Kosovar Owner of Rydox Marketplace Pleads Guilty in US Court
Ardit Kutleshi created and operated Rydox, which allowed miscreants to trade PII and cybercrime tools and services. The post Kosovar Owner of Rydox Marketplace Pleads Guilty in US Court appeared first
Doubts grow over claims OpenAI agent hacked Australian Medicare portal
Researchers are questioning whether an OpenAI agent needed to hack an Australian government health portal to access it, after a review of the website’s archived code found it explicitly directed visit