What's happening in security
Breaches, credential dumps, actively exploited bugs and AI incidents — pulled from 5,641 items across public feeds, Have I Been Pwned and CISA KEV.
Biggest this week
- Westcon-Comstor posts record US$3.37B first-half sales as APAC demand for AI, cloud and cyber accelerates — Reseller News (NZ), 3d ago
- GitHub Octoverse 2026 — Simon Willison (AI), 4d ago
- Binance Suffers Security Breach Affecting $6.3 Billion in Assets, Nearly $3 Billion Frozen — The Hacker News, 2d ago
- Upwind Security Raises $400 Million at $3.8 Billion Valuation — SecurityWeek, 4d ago
- Binance hit by record $6.3 billion crypto hack, scrambles to freeze funds — The Record, 3d ago
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SWIFT Banking & Government Middleware Enables RCE
Patch middleware vulnerabilities now to avoid hardware-based MFA exploits in ultra-sensitive environments.
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GitLab warns of critical RCE vulnerability in AI Gateway service
GitLab warned customers today to immediately patch a critical AI Gateway vulnerability that could let attackers run arbitrary commands on vulnerable instances. [...]
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Fortinet warns that critical flaw in FortiMail is facing exploitation
Security researchers warn that attackers can gain access to credentials, stored mail and other connected systems.
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In Other News: $15K iCloud Spoofing Bugs, AI Policy Experts Phished, Adblocker Spies on AI Chats
Noteworthy stories that might have slipped under the radar: Kiteworks patches over 100 vulnerabilities, Microsoft publishes 2026 Digital Defense Report, AI finds 24 Android app flaws. The post In Other News: $15K iCloud Spoofing B…
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Vulnerability Backlogs Are an Ownership Problem
Organizations don't need better vulnerability scanners; they need to know who owns their assets and has the authority and capacity to actually fix them.
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AI is giving attackers a head start, Microsoft warns
Threat actors are using AI to find bugs, build malware and run intrusions faster than defenders can keep up. Microsoft s 2026 Digital Defense Report, covering July 2025 to June 2026, describes a near-term period in which attackers…
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Dell asks admins to patch max severity CSM flaws as soon as possible
Dell has patched two maximum severity vulnerabilities in the Container Storage Modules (CSM) that connect Dell enterprise storage arrays to Kubernetes environments. [...]
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Why CISOs Struggle to Answer the Board's Three Hardest Questions, and How to Fix the Report
The quarterly board meeting is two weeks out. The security team is pulling exports from the identity provider, the cloud posture tool, the vulnerability scanner, the SIEM and the EDR console. Someone is building a spreadsheet to r…
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Warlock Expands SharePoint Exploitation in Critical Infrastructure Attacks
The China-based hacking group has been exploiting SharePoint vulnerabilities since July 2025. The post Warlock Expands SharePoint Exploitation in Critical Infrastructure Attacks appeared first on SecurityWeek .
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Critical FortiMail zero-day exploited in the wild (CVE-2026-104286)
Fortinet is warning customers that attackers are exploiting a zero-day vulnerability (CVE-2026-104286) in FortiMail, its email security gateway. Fortinet says the flaw has been reported to be exploited in the wild, and urges custo…
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Exploited Fortinet FortiMail Zero-Day Calls for Urgent Action
CVE-2026-104286 is a critical-severity path traversal vulnerability that could allow attackers to write arbitrary files to the system. The post Exploited Fortinet FortiMail Zero-Day Calls for Urgent Action appeared first on Securi…
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Weekly Cyber Update: 2 October 2026
This week, we look at only two stories, related to the impact of zero-day vulnerabilities at Citrix and Kiteworks The Cyber Threat Intelligence Briefing is a weekly round-up of the latest cybersecurity news, trends and indicators,…
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Critical FortiMail Zero-Day Flaw Exploited in Attacks Allows Unauthenticated Arbitrary File Writes
The U.S. Cybersecurity and Infrastructure Security Agency (CISA), on Thursday, added a critical security flaw impacting Fortinet FortiMail to its Known Exploited Vulnerabilities (KEV) catalog, following reports of active exploitat…
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CVE-2026-102490: Zammad GmbH Zammad — Zammad GmbH Zammad Improper Privilege Management Vulnerability
Zammad GmbH Zammad contains an improper privilege management vulnerability that can allow the local zammad user to escalate privileges to root. This vulnerability can be chained with CVE-2026-102489.
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CVE-2026-102489: Zammad GmbH Zammad — Zammad GmbH Zammad Session Fixation Vulnerability
Zammad GmbH Zammad contains a session fixation vulnerability that can lead to remote code execution as the zammad user. This vulnerability can be chained with CVE-2026-102490.
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Fortinet warns of critical FortiMail flaw exploited in zero-day attacks
Fortinet is warning customers of a critical FortiMail vulnerability, tracked as CVE-2026-104286, that is being actively exploited in zero-day attacks to execute unauthorized code or commands on vulnerable devices. [...]
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ThreatsDay: AI-Powered Zero-Day Chain, 543K Live Secrets, Model Inspection RCE and 13 More Stories
This week, the useful words are boring ones: inspect, cache, compile, store, trust. Each sounds harmless. Each can become an attack path when a system does a little more than people expect. A model check can run code. A cache can …
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Kiteworks patches max severity code injection vulnerability
Secure file-sharing software company Kiteworks has released security updates to address 126 vulnerabilities, including a max-severity flaw affecting its Email Protection Gateway (EPG) security solution. [...]
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AI Has Changed Attack Speed, Not Security Fundamentals
As AI accelerates vulnerability discovery and exploitation, so-called virtual patching still comes down to defense-in-depth and strong application security fundamentals. The post AI Has Changed Attack Speed, Not Security Fundament…
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AI agent used Zammad zero-days to breach Dutch vulnerability disclosure non-profit
An agentic AI-powered attack that hit the Dutch Institute for Vulnerability Disclosure (DIVD) on September 21 exploited two zero-day vulnerabilities in Zammad, an open-source helpdesk and customer support ticketing system. Used to…
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Zimbra Vulnerability Exploited in the Wild Prior to Public Disclosure
Under certain conditions, CVE-2026-73570 can be exploited via specially crafted emails without user interaction. The post Zimbra Vulnerability Exploited in the Wild Prior to Public Disclosure appeared first on SecurityWeek .
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How Financial Services Companies Can Modernize Their Software Supply Chain
Every security leader at a bank, insurer, or asset manager has had a version of this conversation: Security wants to eliminate a class of vulnerabilities. Engineering explains what it would take to upgrade the platform where they …
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Zammad Zero-Days Exploited in AI-Powered DIVD Hack
The flaws were chained to hijack sessions, achieve remote code execution, and elevate privileges to root. The post Zammad Zero-Days Exploited in AI-Powered DIVD Hack appeared first on SecurityWeek .
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CISA Adds Exploited Cisco Catalyst SD-WAN Manager Auth Bypass to KEV
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Wednesday added a critical authentication bypass flaw impacting Cisco Catalyst SD-WAN Manager to its Known Exploited Vulnerabilities (KEV), following reports of a…
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New Cisco SD-WAN zero-day exploited in-the-wild (CVE-2026-76504)
For the fifth time this year, Cisco revealed attackers have exploited a vulnerability (CVE-2026-76504) in its SD-WAN solution in zero-day attacks. The vendor s incident responders became aware of active exploitation of this vulner…
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Cisco Patches Exploited Catalyst SD-WAN Zero-Day Vulnerability
The flaw could allow remote, unauthenticated attackers to access vulnerable appliances with administrative privileges. The post Cisco Patches Exploited Catalyst SD-WAN Zero-Day Vulnerability appeared first on SecurityWeek .
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Sentinel Envelope Plus adds software protection without source code changes
Thales has announced Sentinel Envelope Plus, a new addition to its Sentinel Envelope software protection solution that significantly hardens compiled applications against AI-assisted reverse engineering, automated zero-day vulnera…
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Apple CoreGraphics PoC Emerges as WhatsApp PDF Checks Hint at Possible Delivery Path
Security researchers have published the first public proof-of-concept for CVE-2026-86950, an Apple CoreGraphics flaw Apple says may have been used in attacks against specific targeted individuals. The trigger is a malicious PDF wi…
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Bitget Confirms Third-Party Zero-Day Behind $387.5 Million Cryptocurrency Theft
Cryptocurrency exchange Bitget on Wednesday confirmed that attackers who stole $387.5 million last week exploited a zero-day flaw in third-party security products, citing ongoing investigation findings from SlowMist. "Their invest…
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The vulnerabilities AI finds are the ones attackers want
Attackers exploited a flaw found by an AI research agent within four days of its public disclosure, and they are exploiting more vulnerabilities overall, according to new research by Google Threat Intelligence Group (GTIG). The re…
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Citrix NetScaler Post-Exploitation Payload Creates Superuser, Maps Web Shell to CSS-Like URLs
Threat actors have been observed exploiting a critical pre-authentication command injection vulnerability in Citrix NetScaler ADC and NetScaler Gateway to drop web shells and attempt theft of configuration data. LevelBlue's Threat…
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CVE-2026-104286: Fortinet FortiMail — Fortinet FortiMail Path Traversal Vulnerability
Fortinet FortiMail contains a path traversal and an improper neutralization of NULL byte or NULL character vulnerability that may allow an unauthenticated attacker to write arbitrary files on the underlying system via crafted HTTP…
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DIVD says Zammad zero-days enabled AI-driven network breach
The Dutch Institute for Vulnerability Disclosure (DIVD) says that the breach of its network was possible by exploiting a chain of two zero-day vulnerabilities in the open-source Zammad ticketing system. [...]
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Google: Vulnerability disclosures double to 10,000 per month as AI fuels exploitation
Vulnerability disclosures continue to skyrocket, doubling over the course of the year to more than 10,000 each month, Google researchers warned.
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Attackers Exploit Zimbra Flaw to Deploy Web Shells and Harvest Authentication Secrets
Threat actors have weaponized a now-patched security flaw in Zimbra Collaboration Suite (ZCS) to deploy web shells and access mailbox data, according to findings from the Microsoft Security Research team. The attack exploits CVE-2…
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CISA warns of critical pre-auth RCE flaw in MikroTik RouterOS
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) is warning of a new critical vulnerability in MikroTik RouterOS that could lead to remote code execution or cause a denial-of-service condition. [...]
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Mass exploitation of Citrix NetScaler: What we currently know
Suspected state-linked actors targeted critical vulnerabilities in the widely used platform, causing widespread disruption across Europe and North America.
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Cisco Warns of Attackers Exploiting Critical Authentication Bypass in SD-WAN Manager
Attackers are exploiting a critical flaw in Cisco Catalyst SD-WAN Manager, the system companies use to manage their Cisco SD-WAN networks, Cisco said in an advisory on September 30. The flaw, CVE-2026-76504, could allow a remote a…
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Critical Cisco Catalyst SD-WAN Manager API authentication bypass exploited in the wild (CVE-2026-76504)
Overview On September 30, 2026, Cisco published a security advisory for CVE-2026-76504 , a critical API authentication bypass vulnerability affecting Cisco Catalyst SD-WAN Manager. The vulnerability has a CVSSv3.1 score of 9.8 and…
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Cisco warns of new SD-WAN zero-day exploited in attacks
Cisco released security updates to address a critical zero-day in the Catalyst SD-WAN Manager (tracked as CVE-2026-76504) that attackers are actively exploiting to escalate to admin privileges. [...]
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Google: AI Is Changing the Pace and Profile of Vulnerability Discovery
Google’s analysis found that AI-discovered vulnerabilities are more likely to enable remote code execution. The post Google: AI Is Changing the Pace and Profile of Vulnerability Discovery appeared first on SecurityWeek .
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Mobile malware warning from Ukrainian researchers includes iPhone exploit kit
'Hit and run' iPhone malware known as DarkSword is part of a wave of Russian attacks on iOS and Android devices, according to Ukraine's SSSCIP.
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Unauthenticated command injection on internet-facing mail servers: tracking CVE-2026-73570
Microsoft Threat Intelligence examines CVE-2026-73570 exploitation in Zimbra, including observed attack paths, detection opportunities, and mitigation guidance. The post Unauthenticated command injection on internet-facing mail se…
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Unauthenticated command injection on internet-facing mail servers: tracking CVE-2026-73570
Microsoft Threat Intelligence examines CVE-2026-73570 exploitation in Zimbra, including observed attack paths, detection opportunities, and mitigation guidance. The post Unauthenticated command injection on internet-facing mail se…
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WatchGuard Patches Critical Fireware OS Code Injection Vulnerability
WatchGuard has rolled out patches for 15 code execution, DoS, authorization, and path traversal bugs in Fireware OS. The post WatchGuard Patches Critical Fireware OS Code Injection Vulnerability appeared first on SecurityWeek .
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BreachLock 2026 Penetration Testing Intelligence Report
This week in cybersecurity from the editors at Cybercrime Magazine Sausalito, Calif. – Sep. 30, 2026 – Watch the YouTube Video The fifth annual BreachLock Penetration Testing Intelligence Report analyzes 531,770 security findings …
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Government, Finance Orgs Targeted in Weeks-Long NetScaler Zero-Day Attacks
Several security firms have confirmed seeing exploitation of the NetScaler vulnerabilities CVE-2026-88771 and CVE-2026-88772. The post Government, Finance Orgs Targeted in Weeks-Long NetScaler Zero-Day Attacks appeared first on Se…
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Suspected state-sponsored hackers exploited NetScaler zero-day since early September (CVE-2026-88772)
Advanced and suspected state-sponsored threat actors are likely to be behind the initial targeted intrusions that leveraged CVE-2026-88772, one of the two recently disclosed NetScaler vulnerabilities that have been exploited as ze…
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TeamViewer urges users to patch severe flaws “as soon as possible”
Remote access software company TeamViewer warned customers on Tuesday to immediately patch a set of high-severity vulnerabilities affecting its client and host software. [...]
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Chrome, Firefox Updates Patch Over 100 Vulnerabilities
Some of the flaws could allow remote attackers to execute arbitrary code or escape the browser sandbox. The post Chrome, Firefox Updates Patch Over 100 Vulnerabilities appeared first on SecurityWeek .
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